1 /* 2 * cv_capi_feature_match.h - optical flow feature match 3 * 4 * Copyright (c) 2016-2017 Intel Corporation 5 * 6 * Licensed under the Apache License, Version 2.0 (the "License"); 7 * you may not use this file except in compliance with the License. 8 * You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, software 13 * distributed under the License is distributed on an "AS IS" BASIS, 14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15 * See the License for the specific language governing permissions and 16 * limitations under the License. 17 * 18 * Author: Wind Yuan <feng.yuan@intel.com> 19 * Author: Yinhang Liu <yinhangx.liu@intel.com> 20 * Author: Zong Wei <wei.zong@intel.com> 21 */ 22 23 #ifndef CV_CAPI_FEATURE_MATCH_H 24 #define CV_CAPI_FEATURE_MATCH_H 25 26 #include <xcam_std.h> 27 #include <video_buffer.h> 28 #include <interface/feature_match.h> 29 30 #ifdef ANDROID 31 #include <cv.h> 32 #else 33 #include <opencv2/opencv.hpp> 34 #endif 35 36 namespace XCam { 37 38 class CVCapiFeatureMatch 39 : public FeatureMatch 40 { 41 public: 42 explicit CVCapiFeatureMatch (); 43 44 void optical_flow_feature_match ( 45 const SmartPtr<VideoBuffer> &left_buf, const SmartPtr<VideoBuffer> &right_buf, 46 Rect &left_img_crop, Rect &right_img_crop, int dst_width); 47 set_ocl(bool use_ocl)48 void set_ocl (bool use_ocl) { 49 XCAM_UNUSED (use_ocl); 50 } is_ocl_path()51 bool is_ocl_path () { 52 return false; 53 } 54 55 protected: 56 bool get_crop_image (const SmartPtr<VideoBuffer> &buffer, const Rect &crop_rect, 57 std::vector<char> &crop_image, CvMat &img); 58 59 void add_detected_data (CvArr* image, std::vector<CvPoint2D32f> &corners); 60 void get_valid_offsets (std::vector<CvPoint2D32f> &corner0, std::vector<CvPoint2D32f> &corner1, 61 std::vector<char> &status, std::vector<float> &error, 62 std::vector<float> &offsets, float &sum, int &count, 63 CvArr* out_image, CvSize &img0_size); 64 65 void calc_of_match (CvArr* image0, CvArr* image1, 66 std::vector<CvPoint2D32f> &corner0, std::vector<CvPoint2D32f> &corner1, 67 std::vector<char> &status, std::vector<float> &error, 68 int &last_count, float &last_mean_offset, float &out_x_offset); 69 70 void detect_and_match (CvArr* img_left, CvArr* img_right, Rect &crop_left, Rect &crop_right, 71 int &valid_count, float &mean_offset, float &x_offset, int dst_width); 72 73 private: 74 XCAM_DEAD_COPY (CVCapiFeatureMatch); 75 76 std::vector<char> _left_crop_image; 77 std::vector<char> _right_crop_image; 78 }; 79 80 } 81 82 #endif // CV_CAPI_FEATURE_MATCH_H 83