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// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
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// If you do not agree to this license, do not download, install,
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// copy or use the software.
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//
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//
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// License Agreement
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// For Open Source Computer Vision Library
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//
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// Copyright (C) 2013, OpenCV Foundation, all rights reserved.
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// Third party copyrights are property of their respective owners.
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// Redistribution and use in source and binary forms, with or without modification,
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// are permitted provided that the following conditions are met:
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// * Redistribution's in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// * The name of the copyright holders may not be used to endorse or promote products
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//M*/
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#ifndef OPENCV_DNN_DNN_HPP
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#define OPENCV_DNN_DNN_HPP
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#include <vector>
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#include <opencv2/core.hpp>
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#if !defined CV_DOXYGEN && !defined CV_DNN_DONT_ADD_EXPERIMENTAL_NS
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#define CV__DNN_EXPERIMENTAL_NS_BEGIN namespace experimental_dnn_34_v11 {
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#define CV__DNN_EXPERIMENTAL_NS_END }
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namespace cv { namespace dnn { namespace experimental_dnn_34_v11 { } using namespace experimental_dnn_34_v11; }}
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#else
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#define CV__DNN_EXPERIMENTAL_NS_BEGIN
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#define CV__DNN_EXPERIMENTAL_NS_END
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#endif
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#include <opencv2/dnn/dict.hpp>
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namespace cv {
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namespace dnn {
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CV__DNN_EXPERIMENTAL_NS_BEGIN
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//! @addtogroup dnn
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//! @{
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typedef std::vector<int> MatShape;
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/**
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* @brief Enum of computation backends supported by layers.
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* @see Net::setPreferableBackend
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*/
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enum Backend
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{
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//! DNN_BACKEND_DEFAULT equals to DNN_BACKEND_INFERENCE_ENGINE if
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//! OpenCV is built with Intel's Inference Engine library or
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//! DNN_BACKEND_OPENCV otherwise.
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DNN_BACKEND_DEFAULT,
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DNN_BACKEND_HALIDE,
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DNN_BACKEND_INFERENCE_ENGINE,
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DNN_BACKEND_OPENCV
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};
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/**
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* @brief Enum of target devices for computations.
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* @see Net::setPreferableTarget
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*/
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enum Target
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{
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DNN_TARGET_CPU,
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DNN_TARGET_OPENCL,
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DNN_TARGET_OPENCL_FP16,
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DNN_TARGET_MYRIAD,
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//! FPGA device with CPU fallbacks using Inference Engine's Heterogeneous plugin.
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DNN_TARGET_FPGA
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};
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CV_EXPORTS std::vector< std::pair<Backend, Target> > getAvailableBackends();
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CV_EXPORTS std::vector<Target> getAvailableTargets(Backend be);
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/** @brief This class provides all data needed to initialize layer.
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*
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* It includes dictionary with scalar params (which can be read by using Dict interface),
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* blob params #blobs and optional meta information: #name and #type of layer instance.
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*/
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class CV_EXPORTS LayerParams : public Dict
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{
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public:
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//TODO: Add ability to name blob params
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std::vector<Mat> blobs; //!< List of learned parameters stored as blobs.
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String name; //!< Name of the layer instance (optional, can be used internal purposes).
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String type; //!< Type name which was used for creating layer by layer factory (optional).
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};
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/**
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* @brief Derivatives of this class encapsulates functions of certain backends.
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*/
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class BackendNode
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{
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public:
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BackendNode(int backendId);
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virtual ~BackendNode(); //!< Virtual destructor to make polymorphism.
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int backendId; //!< Backend identifier.
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};
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/**
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* @brief Derivatives of this class wraps cv::Mat for different backends and targets.
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*/
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class BackendWrapper
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{
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public:
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BackendWrapper(int backendId, int targetId);
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/**
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* @brief Wrap cv::Mat for specific backend and target.
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* @param[in] targetId Target identifier.
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* @param[in] m cv::Mat for wrapping.
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*
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* Make CPU->GPU data transfer if it's require for the target.
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*/
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BackendWrapper(int targetId, const cv::Mat& m);
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/**
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* @brief Make wrapper for reused cv::Mat.
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* @param[in] base Wrapper of cv::Mat that will be reused.
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* @param[in] shape Specific shape.
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*
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* Initialize wrapper from another one. It'll wrap the same host CPU
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* memory and mustn't allocate memory on device(i.e. GPU). It might
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* has different shape. Use in case of CPU memory reusing for reuse
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* associated memory on device too.
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*/
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BackendWrapper(const Ptr<BackendWrapper>& base, const MatShape& shape);
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virtual ~BackendWrapper(); //!< Virtual destructor to make polymorphism.
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/**
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* @brief Transfer data to CPU host memory.
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*/
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virtual void copyToHost() = 0;
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/**
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* @brief Indicate that an actual data is on CPU.
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*/
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virtual void setHostDirty() = 0;
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int backendId; //!< Backend identifier.
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int targetId; //!< Target identifier.
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};
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class CV_EXPORTS ActivationLayer;
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/** @brief This interface class allows to build new Layers - are building blocks of networks.
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*
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* Each class, derived from Layer, must implement allocate() methods to declare own outputs and forward() to compute outputs.
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* Also before using the new layer into networks you must register your layer by using one of @ref dnnLayerFactory "LayerFactory" macros.
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*/
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class CV_EXPORTS_W Layer : public Algorithm
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{
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public:
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//! List of learned parameters must be stored here to allow read them by using Net::getParam().
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CV_PROP_RW std::vector<Mat> blobs;
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/** @brief Computes and sets internal parameters according to inputs, outputs and blobs.
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* @deprecated Use Layer::finalize(InputArrayOfArrays, OutputArrayOfArrays) instead
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* @param[in] input vector of already allocated input blobs
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* @param[out] output vector of already allocated output blobs
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*
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* If this method is called after network has allocated all memory for input and output blobs
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* and before inferencing.
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*/
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CV_DEPRECATED_EXTERNAL
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virtual void finalize(const std::vector<Mat*> &input, std::vector<Mat> &output);
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/** @brief Computes and sets internal parameters according to inputs, outputs and blobs.
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* @param[in] inputs vector of already allocated input blobs
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* @param[out] outputs vector of already allocated output blobs
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*
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* If this method is called after network has allocated all memory for input and output blobs
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* and before inferencing.
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*/
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CV_WRAP virtual void finalize(InputArrayOfArrays inputs, OutputArrayOfArrays outputs);
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/** @brief Given the @p input blobs, computes the output @p blobs.
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* @deprecated Use Layer::forward(InputArrayOfArrays, OutputArrayOfArrays, OutputArrayOfArrays) instead
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* @param[in] input the input blobs.
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* @param[out] output allocated output blobs, which will store results of the computation.
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* @param[out] internals allocated internal blobs
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*/
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CV_DEPRECATED_EXTERNAL
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virtual void forward(std::vector<Mat*> &input, std::vector<Mat> &output, std::vector<Mat> &internals);
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/** @brief Given the @p input blobs, computes the output @p blobs.
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* @param[in] inputs the input blobs.
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* @param[out] outputs allocated output blobs, which will store results of the computation.
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* @param[out] internals allocated internal blobs
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*/
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virtual void forward(InputArrayOfArrays inputs, OutputArrayOfArrays outputs, OutputArrayOfArrays internals);
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/** @brief Given the @p input blobs, computes the output @p blobs.
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* @param[in] inputs the input blobs.
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* @param[out] outputs allocated output blobs, which will store results of the computation.
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* @param[out] internals allocated internal blobs
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*/
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void forward_fallback(InputArrayOfArrays inputs, OutputArrayOfArrays outputs, OutputArrayOfArrays internals);
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/** @brief
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* @overload
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* @deprecated Use Layer::finalize(InputArrayOfArrays, OutputArrayOfArrays) instead
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*/
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CV_DEPRECATED_EXTERNAL
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void finalize(const std::vector<Mat> &inputs, CV_OUT std::vector<Mat> &outputs);
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/** @brief
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* @overload
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* @deprecated Use Layer::finalize(InputArrayOfArrays, OutputArrayOfArrays) instead
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*/
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CV_DEPRECATED std::vector<Mat> finalize(const std::vector<Mat> &inputs);
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/** @brief Allocates layer and computes output.
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* @deprecated This method will be removed in the future release.
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*/
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CV_DEPRECATED CV_WRAP void run(const std::vector<Mat> &inputs, CV_OUT std::vector<Mat> &outputs,
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CV_IN_OUT std::vector<Mat> &internals);
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/** @brief Returns index of input blob into the input array.
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* @param inputName label of input blob
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*
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* Each layer input and output can be labeled to easily identify them using "%<layer_name%>[.output_name]" notation.
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* This method maps label of input blob to its index into input vector.
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*/
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virtual int inputNameToIndex(String inputName);
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/** @brief Returns index of output blob in output array.
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* @see inputNameToIndex()
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*/
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CV_WRAP virtual int outputNameToIndex(const String& outputName);
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/**
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* @brief Ask layer if it support specific backend for doing computations.
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* @param[in] backendId computation backend identifier.
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* @see Backend
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*/
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virtual bool supportBackend(int backendId);
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/**
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* @brief Returns Halide backend node.
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* @param[in] inputs Input Halide buffers.
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* @see BackendNode, BackendWrapper
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*
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* Input buffers should be exactly the same that will be used in forward invocations.
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* Despite we can use Halide::ImageParam based on input shape only,
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* it helps prevent some memory management issues (if something wrong,
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* Halide tests will be failed).
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*/
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virtual Ptr<BackendNode> initHalide(const std::vector<Ptr<BackendWrapper> > &inputs);
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virtual Ptr<BackendNode> initInfEngine(const std::vector<Ptr<BackendWrapper> > &inputs);
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/**
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* @brief Automatic Halide scheduling based on layer hyper-parameters.
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* @param[in] node Backend node with Halide functions.
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* @param[in] inputs Blobs that will be used in forward invocations.
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* @param[in] outputs Blobs that will be used in forward invocations.
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* @param[in] targetId Target identifier
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* @see BackendNode, Target
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*
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* Layer don't use own Halide::Func members because we can have applied
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* layers fusing. In this way the fused function should be scheduled.
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*/
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virtual void applyHalideScheduler(Ptr<BackendNode>& node,
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const std::vector<Mat*> &inputs,
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const std::vector<Mat> &outputs,
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int targetId) const;
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/**
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* @brief Implement layers fusing.
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* @param[in] node Backend node of bottom layer.
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* @see BackendNode
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*
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* Actual for graph-based backends. If layer attached successfully,
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* returns non-empty cv::Ptr to node of the same backend.
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* Fuse only over the last function.
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*/
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virtual Ptr<BackendNode> tryAttach(const Ptr<BackendNode>& node);
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/**
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* @brief Tries to attach to the layer the subsequent activation layer, i.e. do the layer fusion in a partial case.
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* @param[in] layer The subsequent activation layer.
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*
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* Returns true if the activation layer has been attached successfully.
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*/
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virtual bool setActivation(const Ptr<ActivationLayer>& layer);
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/**
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* @brief Try to fuse current layer with a next one
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* @param[in] top Next layer to be fused.
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* @returns True if fusion was performed.
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*/
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virtual bool tryFuse(Ptr<Layer>& top);
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/**
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* @brief Returns parameters of layers with channel-wise multiplication and addition.
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* @param[out] scale Channel-wise multipliers. Total number of values should
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* be equal to number of channels.
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* @param[out] shift Channel-wise offsets. Total number of values should
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* be equal to number of channels.
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*
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* Some layers can fuse their transformations with further layers.
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* In example, convolution + batch normalization. This way base layer
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* use weights from layer after it. Fused layer is skipped.
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* By default, @p scale and @p shift are empty that means layer has no
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* element-wise multiplications or additions.
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*/
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virtual void getScaleShift(Mat& scale, Mat& shift) const;
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/**
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* @brief "Deattaches" all the layers, attached to particular layer.
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*/
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virtual void unsetAttached();
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virtual bool getMemoryShapes(const std::vector<MatShape> &inputs,
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const int requiredOutputs,
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std::vector<MatShape> &outputs,
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std::vector<MatShape> &internals) const;
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virtual int64 getFLOPS(const std::vector<MatShape> &inputs,
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const std::vector<MatShape> &outputs) const {CV_UNUSED(inputs); CV_UNUSED(outputs); return 0;}
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CV_PROP String name; //!< Name of the layer instance, can be used for logging or other internal purposes.
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CV_PROP String type; //!< Type name which was used for creating layer by layer factory.
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CV_PROP int preferableTarget; //!< prefer target for layer forwarding
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Layer();
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explicit Layer(const LayerParams ¶ms); //!< Initializes only #name, #type and #blobs fields.
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void setParamsFrom(const LayerParams ¶ms); //!< Initializes only #name, #type and #blobs fields.
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virtual ~Layer();
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};
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/** @brief This class allows to create and manipulate comprehensive artificial neural networks.
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*
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* Neural network is presented as directed acyclic graph (DAG), where vertices are Layer instances,
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* and edges specify relationships between layers inputs and outputs.
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*
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* Each network layer has unique integer id and unique string name inside its network.
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* LayerId can store either layer name or layer id.
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*
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* This class supports reference counting of its instances, i. e. copies point to the same instance.
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*/
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class CV_EXPORTS_W_SIMPLE Net
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{
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public:
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CV_WRAP Net(); //!< Default constructor.
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CV_WRAP ~Net(); //!< Destructor frees the net only if there aren't references to the net anymore.
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/** @brief Create a network from Intel's Model Optimizer intermediate representation.
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* @param[in] xml XML configuration file with network's topology.
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* @param[in] bin Binary file with trained weights.
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* Networks imported from Intel's Model Optimizer are launched in Intel's Inference Engine
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* backend.
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*/
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CV_WRAP static Net readFromModelOptimizer(const String& xml, const String& bin);
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/** Returns true if there are no layers in the network. */
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CV_WRAP bool empty() const;
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/** @brief Adds new layer to the net.
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* @param name unique name of the adding layer.
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* @param type typename of the adding layer (type must be registered in LayerRegister).
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* @param params parameters which will be used to initialize the creating layer.
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* @returns unique identifier of created layer, or -1 if a failure will happen.
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*/
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int addLayer(const String &name, const String &type, LayerParams ¶ms);
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/** @brief Adds new layer and connects its first input to the first output of previously added layer.
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* @see addLayer()
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*/
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int addLayerToPrev(const String &name, const String &type, LayerParams ¶ms);
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/** @brief Converts string name of the layer to the integer identifier.
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* @returns id of the layer, or -1 if the layer wasn't found.
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*/
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CV_WRAP int getLayerId(const String &layer);
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CV_WRAP std::vector<String> getLayerNames() const;
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/** @brief Container for strings and integers. */
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typedef DictValue LayerId;
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/** @brief Returns pointer to layer with specified id or name which the network use. */
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CV_WRAP Ptr<Layer> getLayer(LayerId layerId);
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/** @brief Returns pointers to input layers of specific layer. */
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std::vector<Ptr<Layer> > getLayerInputs(LayerId layerId); // FIXIT: CV_WRAP
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/** @brief Connects output of the first layer to input of the second layer.
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* @param outPin descriptor of the first layer output.
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* @param inpPin descriptor of the second layer input.
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*
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* Descriptors have the following template <DFN><layer_name>[.input_number]</DFN>:
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* - the first part of the template <DFN>layer_name</DFN> is sting name of the added layer.
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* If this part is empty then the network input pseudo layer will be used;
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* - the second optional part of the template <DFN>input_number</DFN>
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* is either number of the layer input, either label one.
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* If this part is omitted then the first layer input will be used.
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*
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* @see setNetInputs(), Layer::inputNameToIndex(), Layer::outputNameToIndex()
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*/
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CV_WRAP void connect(String outPin, String inpPin);
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/** @brief Connects #@p outNum output of the first layer to #@p inNum input of the second layer.
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* @param outLayerId identifier of the first layer
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* @param outNum number of the first layer output
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* @param inpLayerId identifier of the second layer
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* @param inpNum number of the second layer input
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*/
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void connect(int outLayerId, int outNum, int inpLayerId, int inpNum);
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/** @brief Sets outputs names of the network input pseudo layer.
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*
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* Each net always has special own the network input pseudo layer with id=0.
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* This layer stores the user blobs only and don't make any computations.
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* In fact, this layer provides the only way to pass user data into the network.
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* As any other layer, this layer can label its outputs and this function provides an easy way to do this.
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*/
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CV_WRAP void setInputsNames(const std::vector<String> &inputBlobNames);
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/** @brief Runs forward pass to compute output of layer with name @p outputName.
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* @param outputName name for layer which output is needed to get
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* @return blob for first output of specified layer.
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* @details By default runs forward pass for the whole network.
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*/
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CV_WRAP Mat forward(const String& outputName = String());
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/** @brief Runs forward pass to compute output of layer with name @p outputName.
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* @param outputBlobs contains all output blobs for specified layer.
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* @param outputName name for layer which output is needed to get
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* @details If @p outputName is empty, runs forward pass for the whole network.
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*/
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CV_WRAP void forward(OutputArrayOfArrays outputBlobs, const String& outputName = String());
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/** @brief Runs forward pass to compute outputs of layers listed in @p outBlobNames.
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* @param outputBlobs contains blobs for first outputs of specified layers.
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* @param outBlobNames names for layers which outputs are needed to get
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*/
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CV_WRAP void forward(OutputArrayOfArrays outputBlobs,
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const std::vector<String>& outBlobNames);
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/** @brief Runs forward pass to compute outputs of layers listed in @p outBlobNames.
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* @param outputBlobs contains all output blobs for each layer specified in @p outBlobNames.
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* @param outBlobNames names for layers which outputs are needed to get
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*/
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CV_WRAP_AS(forwardAndRetrieve) void forward(CV_OUT std::vector<std::vector<Mat> >& outputBlobs,
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const std::vector<String>& outBlobNames);
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/**
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* @brief Compile Halide layers.
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* @param[in] scheduler Path to YAML file with scheduling directives.
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* @see setPreferableBackend
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*
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* Schedule layers that support Halide backend. Then compile them for
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* specific target. For layers that not represented in scheduling file
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* or if no manual scheduling used at all, automatic scheduling will be applied.
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*/
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CV_WRAP void setHalideScheduler(const String& scheduler);
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/**
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* @brief Ask network to use specific computation backend where it supported.
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* @param[in] backendId backend identifier.
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* @see Backend
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*
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* If OpenCV is compiled with Intel's Inference Engine library, DNN_BACKEND_DEFAULT
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* means DNN_BACKEND_INFERENCE_ENGINE. Otherwise it equals to DNN_BACKEND_OPENCV.
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*/
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CV_WRAP void setPreferableBackend(int backendId);
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/**
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* @brief Ask network to make computations on specific target device.
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* @param[in] targetId target identifier.
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* @see Target
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*
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* List of supported combinations backend / target:
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* | | DNN_BACKEND_OPENCV | DNN_BACKEND_INFERENCE_ENGINE | DNN_BACKEND_HALIDE |
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* |------------------------|--------------------|------------------------------|--------------------|
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* | DNN_TARGET_CPU | + | + | + |
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* | DNN_TARGET_OPENCL | + | + | + |
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* | DNN_TARGET_OPENCL_FP16 | + | + | |
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* | DNN_TARGET_MYRIAD | | + | |
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* | DNN_TARGET_FPGA | | + | |
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*/
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CV_WRAP void setPreferableTarget(int targetId);
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/** @brief Sets the new input value for the network
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* @param blob A new blob. Should have CV_32F or CV_8U depth.
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* @param name A name of input layer.
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* @param scalefactor An optional normalization scale.
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* @param mean An optional mean subtraction values.
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* @see connect(String, String) to know format of the descriptor.
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*
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* If scale or mean values are specified, a final input blob is computed
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* as:
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* \f[input(n,c,h,w) = scalefactor \times (blob(n,c,h,w) - mean_c)\f]
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*/
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CV_WRAP void setInput(InputArray blob, const String& name = "",
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double scalefactor = 1.0, const Scalar& mean = Scalar());
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/** @brief Sets the new value for the learned param of the layer.
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* @param layer name or id of the layer.
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* @param numParam index of the layer parameter in the Layer::blobs array.
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* @param blob the new value.
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* @see Layer::blobs
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* @note If shape of the new blob differs from the previous shape,
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* then the following forward pass may fail.
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*/
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CV_WRAP void setParam(LayerId layer, int numParam, const Mat &blob);
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/** @brief Returns parameter blob of the layer.
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* @param layer name or id of the layer.
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* @param numParam index of the layer parameter in the Layer::blobs array.
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* @see Layer::blobs
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*/
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CV_WRAP Mat getParam(LayerId layer, int numParam = 0);
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/** @brief Returns indexes of layers with unconnected outputs.
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*/
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CV_WRAP std::vector<int> getUnconnectedOutLayers() const;
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/** @brief Returns names of layers with unconnected outputs.
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*/
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CV_WRAP std::vector<String> getUnconnectedOutLayersNames() const;
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/** @brief Returns input and output shapes for all layers in loaded model;
|
* preliminary inferencing isn't necessary.
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* @param netInputShapes shapes for all input blobs in net input layer.
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* @param layersIds output parameter for layer IDs.
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* @param inLayersShapes output parameter for input layers shapes;
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* order is the same as in layersIds
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* @param outLayersShapes output parameter for output layers shapes;
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* order is the same as in layersIds
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*/
|
CV_WRAP void getLayersShapes(const std::vector<MatShape>& netInputShapes,
|
CV_OUT std::vector<int>& layersIds,
|
CV_OUT std::vector<std::vector<MatShape> >& inLayersShapes,
|
CV_OUT std::vector<std::vector<MatShape> >& outLayersShapes) const;
|
|
/** @overload */
|
CV_WRAP void getLayersShapes(const MatShape& netInputShape,
|
CV_OUT std::vector<int>& layersIds,
|
CV_OUT std::vector<std::vector<MatShape> >& inLayersShapes,
|
CV_OUT std::vector<std::vector<MatShape> >& outLayersShapes) const;
|
|
/** @brief Returns input and output shapes for layer with specified
|
* id in loaded model; preliminary inferencing isn't necessary.
|
* @param netInputShape shape input blob in net input layer.
|
* @param layerId id for layer.
|
* @param inLayerShapes output parameter for input layers shapes;
|
* order is the same as in layersIds
|
* @param outLayerShapes output parameter for output layers shapes;
|
* order is the same as in layersIds
|
*/
|
void getLayerShapes(const MatShape& netInputShape,
|
const int layerId,
|
CV_OUT std::vector<MatShape>& inLayerShapes,
|
CV_OUT std::vector<MatShape>& outLayerShapes) const; // FIXIT: CV_WRAP
|
|
/** @overload */
|
void getLayerShapes(const std::vector<MatShape>& netInputShapes,
|
const int layerId,
|
CV_OUT std::vector<MatShape>& inLayerShapes,
|
CV_OUT std::vector<MatShape>& outLayerShapes) const; // FIXIT: CV_WRAP
|
|
/** @brief Computes FLOP for whole loaded model with specified input shapes.
|
* @param netInputShapes vector of shapes for all net inputs.
|
* @returns computed FLOP.
|
*/
|
CV_WRAP int64 getFLOPS(const std::vector<MatShape>& netInputShapes) const;
|
/** @overload */
|
CV_WRAP int64 getFLOPS(const MatShape& netInputShape) const;
|
/** @overload */
|
CV_WRAP int64 getFLOPS(const int layerId,
|
const std::vector<MatShape>& netInputShapes) const;
|
/** @overload */
|
CV_WRAP int64 getFLOPS(const int layerId,
|
const MatShape& netInputShape) const;
|
|
/** @brief Returns list of types for layer used in model.
|
* @param layersTypes output parameter for returning types.
|
*/
|
CV_WRAP void getLayerTypes(CV_OUT std::vector<String>& layersTypes) const;
|
|
/** @brief Returns count of layers of specified type.
|
* @param layerType type.
|
* @returns count of layers
|
*/
|
CV_WRAP int getLayersCount(const String& layerType) const;
|
|
/** @brief Computes bytes number which are required to store
|
* all weights and intermediate blobs for model.
|
* @param netInputShapes vector of shapes for all net inputs.
|
* @param weights output parameter to store resulting bytes for weights.
|
* @param blobs output parameter to store resulting bytes for intermediate blobs.
|
*/
|
void getMemoryConsumption(const std::vector<MatShape>& netInputShapes,
|
CV_OUT size_t& weights, CV_OUT size_t& blobs) const; // FIXIT: CV_WRAP
|
/** @overload */
|
CV_WRAP void getMemoryConsumption(const MatShape& netInputShape,
|
CV_OUT size_t& weights, CV_OUT size_t& blobs) const;
|
/** @overload */
|
CV_WRAP void getMemoryConsumption(const int layerId,
|
const std::vector<MatShape>& netInputShapes,
|
CV_OUT size_t& weights, CV_OUT size_t& blobs) const;
|
/** @overload */
|
CV_WRAP void getMemoryConsumption(const int layerId,
|
const MatShape& netInputShape,
|
CV_OUT size_t& weights, CV_OUT size_t& blobs) const;
|
|
/** @brief Computes bytes number which are required to store
|
* all weights and intermediate blobs for each layer.
|
* @param netInputShapes vector of shapes for all net inputs.
|
* @param layerIds output vector to save layer IDs.
|
* @param weights output parameter to store resulting bytes for weights.
|
* @param blobs output parameter to store resulting bytes for intermediate blobs.
|
*/
|
void getMemoryConsumption(const std::vector<MatShape>& netInputShapes,
|
CV_OUT std::vector<int>& layerIds,
|
CV_OUT std::vector<size_t>& weights,
|
CV_OUT std::vector<size_t>& blobs) const; // FIXIT: CV_WRAP
|
/** @overload */
|
void getMemoryConsumption(const MatShape& netInputShape,
|
CV_OUT std::vector<int>& layerIds,
|
CV_OUT std::vector<size_t>& weights,
|
CV_OUT std::vector<size_t>& blobs) const; // FIXIT: CV_WRAP
|
|
/** @brief Enables or disables layer fusion in the network.
|
* @param fusion true to enable the fusion, false to disable. The fusion is enabled by default.
|
*/
|
CV_WRAP void enableFusion(bool fusion);
|
|
/** @brief Returns overall time for inference and timings (in ticks) for layers.
|
* Indexes in returned vector correspond to layers ids. Some layers can be fused with others,
|
* in this case zero ticks count will be return for that skipped layers.
|
* @param timings vector for tick timings for all layers.
|
* @return overall ticks for model inference.
|
*/
|
CV_WRAP int64 getPerfProfile(CV_OUT std::vector<double>& timings);
|
|
private:
|
struct Impl;
|
Ptr<Impl> impl;
|
};
|
|
/** @brief Reads a network model stored in <a href="https://pjreddie.com/darknet/">Darknet</a> model files.
|
* @param cfgFile path to the .cfg file with text description of the network architecture.
|
* @param darknetModel path to the .weights file with learned network.
|
* @returns Network object that ready to do forward, throw an exception in failure cases.
|
* @returns Net object.
|
*/
|
CV_EXPORTS_W Net readNetFromDarknet(const String &cfgFile, const String &darknetModel = String());
|
|
/** @brief Reads a network model stored in <a href="https://pjreddie.com/darknet/">Darknet</a> model files.
|
* @param bufferCfg A buffer contains a content of .cfg file with text description of the network architecture.
|
* @param bufferModel A buffer contains a content of .weights file with learned network.
|
* @returns Net object.
|
*/
|
CV_EXPORTS_W Net readNetFromDarknet(const std::vector<uchar>& bufferCfg,
|
const std::vector<uchar>& bufferModel = std::vector<uchar>());
|
|
/** @brief Reads a network model stored in <a href="https://pjreddie.com/darknet/">Darknet</a> model files.
|
* @param bufferCfg A buffer contains a content of .cfg file with text description of the network architecture.
|
* @param lenCfg Number of bytes to read from bufferCfg
|
* @param bufferModel A buffer contains a content of .weights file with learned network.
|
* @param lenModel Number of bytes to read from bufferModel
|
* @returns Net object.
|
*/
|
CV_EXPORTS Net readNetFromDarknet(const char *bufferCfg, size_t lenCfg,
|
const char *bufferModel = NULL, size_t lenModel = 0);
|
|
/** @brief Reads a network model stored in <a href="http://caffe.berkeleyvision.org">Caffe</a> framework's format.
|
* @param prototxt path to the .prototxt file with text description of the network architecture.
|
* @param caffeModel path to the .caffemodel file with learned network.
|
* @returns Net object.
|
*/
|
CV_EXPORTS_W Net readNetFromCaffe(const String &prototxt, const String &caffeModel = String());
|
|
/** @brief Reads a network model stored in Caffe model in memory.
|
* @param bufferProto buffer containing the content of the .prototxt file
|
* @param bufferModel buffer containing the content of the .caffemodel file
|
* @returns Net object.
|
*/
|
CV_EXPORTS_W Net readNetFromCaffe(const std::vector<uchar>& bufferProto,
|
const std::vector<uchar>& bufferModel = std::vector<uchar>());
|
|
/** @brief Reads a network model stored in Caffe model in memory.
|
* @details This is an overloaded member function, provided for convenience.
|
* It differs from the above function only in what argument(s) it accepts.
|
* @param bufferProto buffer containing the content of the .prototxt file
|
* @param lenProto length of bufferProto
|
* @param bufferModel buffer containing the content of the .caffemodel file
|
* @param lenModel length of bufferModel
|
* @returns Net object.
|
*/
|
CV_EXPORTS Net readNetFromCaffe(const char *bufferProto, size_t lenProto,
|
const char *bufferModel = NULL, size_t lenModel = 0);
|
|
/** @brief Reads a network model stored in <a href="https://www.tensorflow.org/">TensorFlow</a> framework's format.
|
* @param model path to the .pb file with binary protobuf description of the network architecture
|
* @param config path to the .pbtxt file that contains text graph definition in protobuf format.
|
* Resulting Net object is built by text graph using weights from a binary one that
|
* let us make it more flexible.
|
* @returns Net object.
|
*/
|
CV_EXPORTS_W Net readNetFromTensorflow(const String &model, const String &config = String());
|
|
/** @brief Reads a network model stored in <a href="https://www.tensorflow.org/">TensorFlow</a> framework's format.
|
* @param bufferModel buffer containing the content of the pb file
|
* @param bufferConfig buffer containing the content of the pbtxt file
|
* @returns Net object.
|
*/
|
CV_EXPORTS_W Net readNetFromTensorflow(const std::vector<uchar>& bufferModel,
|
const std::vector<uchar>& bufferConfig = std::vector<uchar>());
|
|
/** @brief Reads a network model stored in <a href="https://www.tensorflow.org/">TensorFlow</a> framework's format.
|
* @details This is an overloaded member function, provided for convenience.
|
* It differs from the above function only in what argument(s) it accepts.
|
* @param bufferModel buffer containing the content of the pb file
|
* @param lenModel length of bufferModel
|
* @param bufferConfig buffer containing the content of the pbtxt file
|
* @param lenConfig length of bufferConfig
|
*/
|
CV_EXPORTS Net readNetFromTensorflow(const char *bufferModel, size_t lenModel,
|
const char *bufferConfig = NULL, size_t lenConfig = 0);
|
|
/**
|
* @brief Reads a network model stored in <a href="http://torch.ch">Torch7</a> framework's format.
|
* @param model path to the file, dumped from Torch by using torch.save() function.
|
* @param isBinary specifies whether the network was serialized in ascii mode or binary.
|
* @param evaluate specifies testing phase of network. If true, it's similar to evaluate() method in Torch.
|
* @returns Net object.
|
*
|
* @note Ascii mode of Torch serializer is more preferable, because binary mode extensively use `long` type of C language,
|
* which has various bit-length on different systems.
|
*
|
* The loading file must contain serialized <a href="https://github.com/torch/nn/blob/master/doc/module.md">nn.Module</a> object
|
* with importing network. Try to eliminate a custom objects from serialazing data to avoid importing errors.
|
*
|
* List of supported layers (i.e. object instances derived from Torch nn.Module class):
|
* - nn.Sequential
|
* - nn.Parallel
|
* - nn.Concat
|
* - nn.Linear
|
* - nn.SpatialConvolution
|
* - nn.SpatialMaxPooling, nn.SpatialAveragePooling
|
* - nn.ReLU, nn.TanH, nn.Sigmoid
|
* - nn.Reshape
|
* - nn.SoftMax, nn.LogSoftMax
|
*
|
* Also some equivalents of these classes from cunn, cudnn, and fbcunn may be successfully imported.
|
*/
|
CV_EXPORTS_W Net readNetFromTorch(const String &model, bool isBinary = true, bool evaluate = true);
|
|
/**
|
* @brief Read deep learning network represented in one of the supported formats.
|
* @param[in] model Binary file contains trained weights. The following file
|
* extensions are expected for models from different frameworks:
|
* * `*.caffemodel` (Caffe, http://caffe.berkeleyvision.org/)
|
* * `*.pb` (TensorFlow, https://www.tensorflow.org/)
|
* * `*.t7` | `*.net` (Torch, http://torch.ch/)
|
* * `*.weights` (Darknet, https://pjreddie.com/darknet/)
|
* * `*.bin` (DLDT, https://software.intel.com/openvino-toolkit)
|
* @param[in] config Text file contains network configuration. It could be a
|
* file with the following extensions:
|
* * `*.prototxt` (Caffe, http://caffe.berkeleyvision.org/)
|
* * `*.pbtxt` (TensorFlow, https://www.tensorflow.org/)
|
* * `*.cfg` (Darknet, https://pjreddie.com/darknet/)
|
* * `*.xml` (DLDT, https://software.intel.com/openvino-toolkit)
|
* @param[in] framework Explicit framework name tag to determine a format.
|
* @returns Net object.
|
*
|
* This function automatically detects an origin framework of trained model
|
* and calls an appropriate function such @ref readNetFromCaffe, @ref readNetFromTensorflow,
|
* @ref readNetFromTorch or @ref readNetFromDarknet. An order of @p model and @p config
|
* arguments does not matter.
|
*/
|
CV_EXPORTS_W Net readNet(const String& model, const String& config = "", const String& framework = "");
|
|
/**
|
* @brief Read deep learning network represented in one of the supported formats.
|
* @details This is an overloaded member function, provided for convenience.
|
* It differs from the above function only in what argument(s) it accepts.
|
* @param[in] framework Name of origin framework.
|
* @param[in] bufferModel A buffer with a content of binary file with weights
|
* @param[in] bufferConfig A buffer with a content of text file contains network configuration.
|
* @returns Net object.
|
*/
|
CV_EXPORTS_W Net readNet(const String& framework, const std::vector<uchar>& bufferModel,
|
const std::vector<uchar>& bufferConfig = std::vector<uchar>());
|
|
/** @brief Loads blob which was serialized as torch.Tensor object of Torch7 framework.
|
* @warning This function has the same limitations as readNetFromTorch().
|
*/
|
CV_EXPORTS_W Mat readTorchBlob(const String &filename, bool isBinary = true);
|
|
/** @brief Load a network from Intel's Model Optimizer intermediate representation.
|
* @param[in] xml XML configuration file with network's topology.
|
* @param[in] bin Binary file with trained weights.
|
* @returns Net object.
|
* Networks imported from Intel's Model Optimizer are launched in Intel's Inference Engine
|
* backend.
|
*/
|
CV_EXPORTS_W Net readNetFromModelOptimizer(const String &xml, const String &bin);
|
|
/** @brief Reads a network model <a href="https://onnx.ai/">ONNX</a>.
|
* @param onnxFile path to the .onnx file with text description of the network architecture.
|
* @returns Network object that ready to do forward, throw an exception in failure cases.
|
*/
|
CV_EXPORTS_W Net readNetFromONNX(const String &onnxFile);
|
|
/** @brief Creates blob from .pb file.
|
* @param path to the .pb file with input tensor.
|
* @returns Mat.
|
*/
|
CV_EXPORTS_W Mat readTensorFromONNX(const String& path);
|
|
/** @brief Creates 4-dimensional blob from image. Optionally resizes and crops @p image from center,
|
* subtract @p mean values, scales values by @p scalefactor, swap Blue and Red channels.
|
* @param image input image (with 1-, 3- or 4-channels).
|
* @param size spatial size for output image
|
* @param mean scalar with mean values which are subtracted from channels. Values are intended
|
* to be in (mean-R, mean-G, mean-B) order if @p image has BGR ordering and @p swapRB is true.
|
* @param scalefactor multiplier for @p image values.
|
* @param swapRB flag which indicates that swap first and last channels
|
* in 3-channel image is necessary.
|
* @param crop flag which indicates whether image will be cropped after resize or not
|
* @param ddepth Depth of output blob. Choose CV_32F or CV_8U.
|
* @details if @p crop is true, input image is resized so one side after resize is equal to corresponding
|
* dimension in @p size and another one is equal or larger. Then, crop from the center is performed.
|
* If @p crop is false, direct resize without cropping and preserving aspect ratio is performed.
|
* @returns 4-dimensional Mat with NCHW dimensions order.
|
*/
|
CV_EXPORTS_W Mat blobFromImage(InputArray image, double scalefactor=1.0, const Size& size = Size(),
|
const Scalar& mean = Scalar(), bool swapRB=false, bool crop=false,
|
int ddepth=CV_32F);
|
|
/** @brief Creates 4-dimensional blob from image.
|
* @details This is an overloaded member function, provided for convenience.
|
* It differs from the above function only in what argument(s) it accepts.
|
*/
|
CV_EXPORTS void blobFromImage(InputArray image, OutputArray blob, double scalefactor=1.0,
|
const Size& size = Size(), const Scalar& mean = Scalar(),
|
bool swapRB=false, bool crop=false, int ddepth=CV_32F);
|
|
|
/** @brief Creates 4-dimensional blob from series of images. Optionally resizes and
|
* crops @p images from center, subtract @p mean values, scales values by @p scalefactor,
|
* swap Blue and Red channels.
|
* @param images input images (all with 1-, 3- or 4-channels).
|
* @param size spatial size for output image
|
* @param mean scalar with mean values which are subtracted from channels. Values are intended
|
* to be in (mean-R, mean-G, mean-B) order if @p image has BGR ordering and @p swapRB is true.
|
* @param scalefactor multiplier for @p images values.
|
* @param swapRB flag which indicates that swap first and last channels
|
* in 3-channel image is necessary.
|
* @param crop flag which indicates whether image will be cropped after resize or not
|
* @param ddepth Depth of output blob. Choose CV_32F or CV_8U.
|
* @details if @p crop is true, input image is resized so one side after resize is equal to corresponding
|
* dimension in @p size and another one is equal or larger. Then, crop from the center is performed.
|
* If @p crop is false, direct resize without cropping and preserving aspect ratio is performed.
|
* @returns 4-dimensional Mat with NCHW dimensions order.
|
*/
|
CV_EXPORTS_W Mat blobFromImages(InputArrayOfArrays images, double scalefactor=1.0,
|
Size size = Size(), const Scalar& mean = Scalar(), bool swapRB=false, bool crop=false,
|
int ddepth=CV_32F);
|
|
/** @brief Creates 4-dimensional blob from series of images.
|
* @details This is an overloaded member function, provided for convenience.
|
* It differs from the above function only in what argument(s) it accepts.
|
*/
|
CV_EXPORTS void blobFromImages(InputArrayOfArrays images, OutputArray blob,
|
double scalefactor=1.0, Size size = Size(),
|
const Scalar& mean = Scalar(), bool swapRB=false, bool crop=false,
|
int ddepth=CV_32F);
|
|
/** @brief Parse a 4D blob and output the images it contains as 2D arrays through a simpler data structure
|
* (std::vector<cv::Mat>).
|
* @param[in] blob_ 4 dimensional array (images, channels, height, width) in floating point precision (CV_32F) from
|
* which you would like to extract the images.
|
* @param[out] images_ array of 2D Mat containing the images extracted from the blob in floating point precision
|
* (CV_32F). They are non normalized neither mean added. The number of returned images equals the first dimension
|
* of the blob (batch size). Every image has a number of channels equals to the second dimension of the blob (depth).
|
*/
|
CV_EXPORTS_W void imagesFromBlob(const cv::Mat& blob_, OutputArrayOfArrays images_);
|
|
/** @brief Convert all weights of Caffe network to half precision floating point.
|
* @param src Path to origin model from Caffe framework contains single
|
* precision floating point weights (usually has `.caffemodel` extension).
|
* @param dst Path to destination model with updated weights.
|
* @param layersTypes Set of layers types which parameters will be converted.
|
* By default, converts only Convolutional and Fully-Connected layers'
|
* weights.
|
*
|
* @note Shrinked model has no origin float32 weights so it can't be used
|
* in origin Caffe framework anymore. However the structure of data
|
* is taken from NVidia's Caffe fork: https://github.com/NVIDIA/caffe.
|
* So the resulting model may be used there.
|
*/
|
CV_EXPORTS_W void shrinkCaffeModel(const String& src, const String& dst,
|
const std::vector<String>& layersTypes = std::vector<String>());
|
|
/** @brief Create a text representation for a binary network stored in protocol buffer format.
|
* @param[in] model A path to binary network.
|
* @param[in] output A path to output text file to be created.
|
*
|
* @note To reduce output file size, trained weights are not included.
|
*/
|
CV_EXPORTS_W void writeTextGraph(const String& model, const String& output);
|
|
/** @brief Performs non maximum suppression given boxes and corresponding scores.
|
|
* @param bboxes a set of bounding boxes to apply NMS.
|
* @param scores a set of corresponding confidences.
|
* @param score_threshold a threshold used to filter boxes by score.
|
* @param nms_threshold a threshold used in non maximum suppression.
|
* @param indices the kept indices of bboxes after NMS.
|
* @param eta a coefficient in adaptive threshold formula: \f$nms\_threshold_{i+1}=eta\cdot nms\_threshold_i\f$.
|
* @param top_k if `>0`, keep at most @p top_k picked indices.
|
*/
|
CV_EXPORTS_W void NMSBoxes(const std::vector<Rect>& bboxes, const std::vector<float>& scores,
|
const float score_threshold, const float nms_threshold,
|
CV_OUT std::vector<int>& indices,
|
const float eta = 1.f, const int top_k = 0);
|
|
CV_EXPORTS_W void NMSBoxes(const std::vector<Rect2d>& bboxes, const std::vector<float>& scores,
|
const float score_threshold, const float nms_threshold,
|
CV_OUT std::vector<int>& indices,
|
const float eta = 1.f, const int top_k = 0);
|
|
CV_EXPORTS_AS(NMSBoxesRotated) void NMSBoxes(const std::vector<RotatedRect>& bboxes, const std::vector<float>& scores,
|
const float score_threshold, const float nms_threshold,
|
CV_OUT std::vector<int>& indices,
|
const float eta = 1.f, const int top_k = 0);
|
|
/** @brief Release a Myriad device is binded by OpenCV.
|
*
|
* Single Myriad device cannot be shared across multiple processes which uses
|
* Inference Engine's Myriad plugin.
|
*/
|
CV_EXPORTS_W void resetMyriadDevice();
|
|
//! @}
|
CV__DNN_EXPERIMENTAL_NS_END
|
}
|
}
|
|
#include <opencv2/dnn/layer.hpp>
|
#include <opencv2/dnn/dnn.inl.hpp>
|
|
#endif /* OPENCV_DNN_DNN_HPP */
|
