150 lines
5.5 KiB
C++
150 lines
5.5 KiB
C++
/*M///////////////////////////////////////////////////////////////////////////////////////
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//
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// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
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//
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// By downloading, copying, installing or using the software you agree to this license.
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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) 2000-2008, Intel Corporation, all rights reserved.
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// Copyright (C) 2009, Willow Garage Inc., all rights reserved.
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// Third party copyrights are property of their respective owners.
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//
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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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//
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// * Redistribution's of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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//
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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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// and/or other materials provided with the distribution.
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//
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// * The name of the copyright holders may not be used to endorse or promote products
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// derived from this software without specific prior written permission.
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//
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// This software is provided by the copyright holders and contributors "as is" and
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// any express or implied warranties, including, but not limited to, the implied
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// warranties of merchantability and fitness for a particular purpose are disclaimed.
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// In no event shall the Intel Corporation or contributors be liable for any direct,
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// indirect, incidental, special, exemplary, or consequential damages
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// (including, but not limited to, procurement of substitute goods or services;
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// loss of use, data, or profits; or business interruption) however caused
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// and on any theory of liability, whether in contract, strict liability,
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// or tort (including negligence or otherwise) arising in any way out of
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// the use of this software, even if advised of the possibility of such damage.
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//
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//M*/
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#ifndef __OPENCV_STITCHING_SEAM_FINDERS_HPP__
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#define __OPENCV_STITCHING_SEAM_FINDERS_HPP__
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#include "opencv2/core/core.hpp"
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#include "opencv2/opencv_modules.hpp"
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namespace cv {
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namespace detail {
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class CV_EXPORTS SeamFinder
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{
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public:
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virtual ~SeamFinder() {}
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virtual void find(const std::vector<Mat> &src, const std::vector<Point> &corners,
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std::vector<Mat> &masks) = 0;
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};
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class CV_EXPORTS NoSeamFinder : public SeamFinder
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{
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public:
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void find(const std::vector<Mat>&, const std::vector<Point>&, std::vector<Mat>&) {}
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};
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class CV_EXPORTS PairwiseSeamFinder : public SeamFinder
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{
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public:
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virtual void find(const std::vector<Mat> &src, const std::vector<Point> &corners,
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std::vector<Mat> &masks);
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protected:
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void run();
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virtual void findInPair(size_t first, size_t second, Rect roi) = 0;
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std::vector<Mat> images_;
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std::vector<Size> sizes_;
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std::vector<Point> corners_;
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std::vector<Mat> masks_;
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};
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class CV_EXPORTS VoronoiSeamFinder : public PairwiseSeamFinder
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{
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public:
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virtual void find(const std::vector<Size> &size, const std::vector<Point> &corners,
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std::vector<Mat> &masks);
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private:
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void findInPair(size_t first, size_t second, Rect roi);
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};
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class CV_EXPORTS GraphCutSeamFinderBase
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{
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public:
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enum { COST_COLOR, COST_COLOR_GRAD };
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};
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class CV_EXPORTS GraphCutSeamFinder : public GraphCutSeamFinderBase, public SeamFinder
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{
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public:
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GraphCutSeamFinder(int cost_type = COST_COLOR_GRAD, float terminal_cost = 10000.f,
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float bad_region_penalty = 1000.f);
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~GraphCutSeamFinder();
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void find(const std::vector<Mat> &src, const std::vector<Point> &corners,
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std::vector<Mat> &masks);
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private:
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// To avoid GCGraph dependency
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class Impl;
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Ptr<Impl> impl_;
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};
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#ifdef HAVE_OPENCV_GPU
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class CV_EXPORTS GraphCutSeamFinderGpu : public GraphCutSeamFinderBase, public PairwiseSeamFinder
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{
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public:
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GraphCutSeamFinderGpu(int cost_type = COST_COLOR_GRAD, float terminal_cost = 10000.f,
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float bad_region_penalty = 1000.f)
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: cost_type_(cost_type), terminal_cost_(terminal_cost),
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bad_region_penalty_(bad_region_penalty) {}
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void find(const std::vector<cv::Mat> &src, const std::vector<cv::Point> &corners,
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std::vector<cv::Mat> &masks);
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void findInPair(size_t first, size_t second, Rect roi);
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private:
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void setGraphWeightsColor(const cv::Mat &img1, const cv::Mat &img2, const cv::Mat &mask1, const cv::Mat &mask2,
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cv::Mat &terminals, cv::Mat &leftT, cv::Mat &rightT, cv::Mat &top, cv::Mat &bottom);
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void setGraphWeightsColorGrad(const cv::Mat &img1, const cv::Mat &img2, const cv::Mat &dx1, const cv::Mat &dx2,
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const cv::Mat &dy1, const cv::Mat &dy2, const cv::Mat &mask1, const cv::Mat &mask2,
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cv::Mat &terminals, cv::Mat &leftT, cv::Mat &rightT, cv::Mat &top, cv::Mat &bottom);
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std::vector<Mat> dx_, dy_;
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int cost_type_;
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float terminal_cost_;
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float bad_region_penalty_;
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};
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#endif
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} // namespace detail
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} // namespace cv
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#endif // __OPENCV_STITCHING_SEAM_FINDERS_HPP__
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