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