/*
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* cv_capi_feature_match.h - optical flow feature match
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*
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* Copyright (c) 2016-2017 Intel Corporation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* Author: Wind Yuan <feng.yuan@intel.com>
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* Author: Yinhang Liu <yinhangx.liu@intel.com>
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* Author: Zong Wei <wei.zong@intel.com>
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*/
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#ifndef CV_CAPI_FEATURE_MATCH_H
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#define CV_CAPI_FEATURE_MATCH_H
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#include <xcam_std.h>
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#include <video_buffer.h>
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#include <interface/feature_match.h>
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#ifdef ANDROID
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#include <cv.h>
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#else
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#include <opencv2/opencv.hpp>
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#endif
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namespace XCam {
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class CVCapiFeatureMatch
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: public FeatureMatch
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{
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public:
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explicit CVCapiFeatureMatch ();
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void optical_flow_feature_match (
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const SmartPtr<VideoBuffer> &left_buf, const SmartPtr<VideoBuffer> &right_buf,
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Rect &left_img_crop, Rect &right_img_crop, int dst_width);
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void set_ocl (bool use_ocl) {
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XCAM_UNUSED (use_ocl);
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}
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bool is_ocl_path () {
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return false;
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}
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protected:
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bool get_crop_image (const SmartPtr<VideoBuffer> &buffer, const Rect &crop_rect,
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std::vector<char> &crop_image, CvMat &img);
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void add_detected_data (CvArr* image, std::vector<CvPoint2D32f> &corners);
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void get_valid_offsets (std::vector<CvPoint2D32f> &corner0, std::vector<CvPoint2D32f> &corner1,
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std::vector<char> &status, std::vector<float> &error,
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std::vector<float> &offsets, float &sum, int &count,
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CvArr* out_image, CvSize &img0_size);
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void calc_of_match (CvArr* image0, CvArr* image1,
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std::vector<CvPoint2D32f> &corner0, std::vector<CvPoint2D32f> &corner1,
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std::vector<char> &status, std::vector<float> &error,
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int &last_count, float &last_mean_offset, float &out_x_offset);
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void detect_and_match (CvArr* img_left, CvArr* img_right, Rect &crop_left, Rect &crop_right,
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int &valid_count, float &mean_offset, float &x_offset, int dst_width);
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private:
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XCAM_DEAD_COPY (CVCapiFeatureMatch);
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std::vector<char> _left_crop_image;
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std::vector<char> _right_crop_image;
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};
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}
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#endif // CV_CAPI_FEATURE_MATCH_H
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