114 lines
3.9 KiB
C++
114 lines
3.9 KiB
C++
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/*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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// Copyright (C) 2013, Alfonso Sanchez-Beato, 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 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 MAPPER_H_
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#define MAPPER_H_
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#include <opencv2/core.hpp> // Basic OpenCV structures (cv::Mat, Scalar)
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#include "map.hpp"
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namespace cv {
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namespace reg {
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//! @addtogroup reg
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//! @{
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/** @brief Base class for modelling an algorithm for calculating a map
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The class is only used to define the common interface for any possible mapping algorithm.
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*/
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class CV_EXPORTS_W Mapper
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{
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public:
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virtual ~Mapper(void) {}
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/*
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* Calculate mapping between two images
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* \param[in] img1 Reference image
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* \param[in] img2 Warped image
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* \param[in] If present, it is an initial rough estimation that the mapper will try to refine.
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* \return Map from img1 to img2, stored in a smart pointer.
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*/
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CV_WRAP virtual cv::Ptr<Map> calculate(InputArray img1, InputArray img2, cv::Ptr<Map> init = cv::Ptr<Map>()) const = 0;
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/*
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* Returns a map compatible with the Mapper class
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* \return Pointer to identity Map
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*/
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CV_WRAP virtual cv::Ptr<Map> getMap() const = 0;
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protected:
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/*
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* Calculates gradient and difference between images
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* \param[in] img1 Image one
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* \param[in] img2 Image two
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* \param[out] Ix Gradient x-coordinate
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* \param[out] Iy Gradient y-coordinate
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* \param[out] It Difference of images
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*/
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void gradient(const cv::Mat& img1, const cv::Mat& img2,
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cv::Mat& Ix, cv::Mat& Iy, cv::Mat& It) const;
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/*
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* Fills matrices with pixel coordinates of an image
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* \param[in] img Image
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* \param[out] grid_r Row (y-coordinate)
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* \param[out] grid_c Column (x-coordinate)
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*/
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void grid(const Mat& img, Mat& grid_r, Mat& grid_c) const;
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/*
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* Per-element square of a matrix
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* \param[in] mat1 Input matrix
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* \return mat1[i,j]^2
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*/
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cv::Mat sqr(const cv::Mat& mat1) const
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{
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cv::Mat res;
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res.create(mat1.size(), mat1.type());
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res = mat1.mul(mat1);
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return res;
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}
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};
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//! @}
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}} // namespace cv::reg
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#endif // MAPPER_H_
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