mirror of
https://github.com/opencv/opencv.git
synced 2024-12-01 23:30:06 +08:00
131 lines
4.7 KiB
C++
131 lines
4.7 KiB
C++
/*M///////////////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
|
|
//
|
|
// By downloading, copying, installing or using the software you agree to this license.
|
|
// If you do not agree to this license, do not download, install,
|
|
// copy or use the software.
|
|
//
|
|
//
|
|
// License Agreement
|
|
// For Open Source Computer Vision Library
|
|
//
|
|
// Copyright (C) 2000-2008, Intel Corporation, all rights reserved.
|
|
// Copyright (C) 2009, Willow Garage Inc., all rights reserved.
|
|
// Third party copyrights are property of their respective owners.
|
|
//
|
|
// Redistribution and use in source and binary forms, with or without modification,
|
|
// are permitted provided that the following conditions are met:
|
|
//
|
|
// * Redistribution's of source code must retain the above copyright notice,
|
|
// this list of conditions and the following disclaimer.
|
|
//
|
|
// * Redistribution's in binary form must reproduce the above copyright notice,
|
|
// this list of conditions and the following disclaimer in the documentation
|
|
// and/or other materials provided with the distribution.
|
|
//
|
|
// * The name of the copyright holders may not be used to endorse or promote products
|
|
// derived from this software without specific prior written permission.
|
|
//
|
|
// This software is provided by the copyright holders and contributors "as is" and
|
|
// any express or implied warranties, including, but not limited to, the implied
|
|
// warranties of merchantability and fitness for a particular purpose are disclaimed.
|
|
// In no event shall the Intel Corporation or contributors be liable for any direct,
|
|
// indirect, incidental, special, exemplary, or consequential damages
|
|
// (including, but not limited to, procurement of substitute goods or services;
|
|
// loss of use, data, or profits; or business interruption) however caused
|
|
// and on any theory of liability, whether in contract, strict liability,
|
|
// or tort (including negligence or otherwise) arising in any way out of
|
|
// the use of this software, even if advised of the possibility of such damage.
|
|
//
|
|
//M*/
|
|
#ifndef __OPENCV_MATCHERS_HPP__
|
|
#define __OPENCV_MATCHERS_HPP__
|
|
|
|
#include "precomp.hpp"
|
|
|
|
struct ImageFeatures
|
|
{
|
|
int img_idx;
|
|
cv::Size img_size;
|
|
std::vector<cv::KeyPoint> keypoints;
|
|
cv::Mat descriptors;
|
|
};
|
|
|
|
|
|
class FeaturesFinder
|
|
{
|
|
public:
|
|
virtual ~FeaturesFinder() {}
|
|
void operator ()(const cv::Mat &image, ImageFeatures &features);
|
|
|
|
protected:
|
|
virtual void find(const cv::Mat &image, ImageFeatures &features) = 0;
|
|
};
|
|
|
|
|
|
class SurfFeaturesFinder : public FeaturesFinder
|
|
{
|
|
public:
|
|
SurfFeaturesFinder(bool try_use_gpu = true, double hess_thresh = 300.0,
|
|
int num_octaves = 3, int num_layers = 4,
|
|
int num_octaves_descr = 4, int num_layers_descr = 2);
|
|
|
|
protected:
|
|
void find(const cv::Mat &image, ImageFeatures &features);
|
|
|
|
cv::Ptr<FeaturesFinder> impl_;
|
|
};
|
|
|
|
|
|
struct MatchesInfo
|
|
{
|
|
MatchesInfo();
|
|
MatchesInfo(const MatchesInfo &other);
|
|
const MatchesInfo& operator =(const MatchesInfo &other);
|
|
|
|
int src_img_idx, dst_img_idx; // Images indices (optional)
|
|
std::vector<cv::DMatch> matches;
|
|
std::vector<uchar> inliers_mask; // Geometrically consistent matches mask
|
|
int num_inliers; // Number of geometrically consistent matches
|
|
cv::Mat H; // Estimated homography
|
|
double confidence; // Confidence two images are from the same panorama
|
|
};
|
|
|
|
|
|
class FeaturesMatcher
|
|
{
|
|
public:
|
|
virtual ~FeaturesMatcher() {}
|
|
|
|
void operator ()(const ImageFeatures &features1, const ImageFeatures &features2,
|
|
MatchesInfo& matches_info) { match(features1, features2, matches_info); }
|
|
void operator ()(const std::vector<ImageFeatures> &features, std::vector<MatchesInfo> &pairwise_matches);
|
|
|
|
bool isThreadSafe() const { return is_thread_safe_; }
|
|
|
|
protected:
|
|
FeaturesMatcher(bool is_thread_safe = false) : is_thread_safe_(is_thread_safe) {}
|
|
|
|
virtual void match(const ImageFeatures &features1, const ImageFeatures &features2,
|
|
MatchesInfo& matches_info) = 0;
|
|
|
|
bool is_thread_safe_;
|
|
};
|
|
|
|
|
|
class BestOf2NearestMatcher : public FeaturesMatcher
|
|
{
|
|
public:
|
|
BestOf2NearestMatcher(bool try_use_gpu = true, float match_conf = 0.55f, int num_matches_thresh1 = 6,
|
|
int num_matches_thresh2 = 6);
|
|
|
|
protected:
|
|
void match(const ImageFeatures &features1, const ImageFeatures &features2, MatchesInfo &matches_info);
|
|
|
|
int num_matches_thresh1_;
|
|
int num_matches_thresh2_;
|
|
cv::Ptr<FeaturesMatcher> impl_;
|
|
};
|
|
|
|
#endif // __OPENCV_MATCHERS_HPP__
|