Gitea Mirror Bot
106 lines
3.8 KiB
C++
106 lines
3.8 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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// 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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#include "precomp.hpp"
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#include <vector>
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#include "opencv2/imgproc.hpp"
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#include "opencv2/reg/mapperpyramid.hpp"
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using namespace std;
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namespace cv {
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namespace reg {
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////////////////////////////////////////////////////////////////////////////////////////////////////
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MapperPyramid::MapperPyramid(Ptr<Mapper> baseMapper)
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: numLev_(3), numIterPerScale_(3), baseMapper_(*baseMapper)
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{
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////
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Ptr<Map> MapperPyramid::calculate(InputArray _img1, InputArray image2, Ptr<Map> init) const
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{
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Mat img1 = _img1.getMat();
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Mat img2;
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if(!init.empty()) {
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// We have initial values for the registration: we move img2 to that initial reference
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init->inverseWarp(image2, img2);
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} else {
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init = baseMapper_.getMap();
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img2 = image2.getMat();
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}
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cv::Ptr<Map> ident = baseMapper_.getMap();
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// Precalculate pyramid images
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vector<Mat> pyrIm1(numLev_), pyrIm2(numLev_);
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pyrIm1[0] = img1;
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pyrIm2[0] = img2;
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for(int im_i = 1; im_i < numLev_; ++im_i) {
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pyrDown(pyrIm1[im_i - 1], pyrIm1[im_i]);
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pyrDown(pyrIm2[im_i - 1], pyrIm2[im_i]);
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}
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Mat currRef, currImg;
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for(int lv_i = 0; lv_i < numLev_; ++lv_i) {
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currRef = pyrIm1[numLev_ - 1 - lv_i];
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currImg = pyrIm2[numLev_ - 1 - lv_i];
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// Scale the transformation as we are incresing the resolution in each iteration
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if(lv_i != 0) {
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ident->scale(2.);
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}
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for(int it_i = 0; it_i < numIterPerScale_; ++it_i) {
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ident = baseMapper_.calculate(currRef, currImg, ident);
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}
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}
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init->compose(ident);
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return init;
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////
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cv::Ptr<Map> MapperPyramid::getMap() const
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{
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return cv::Ptr<Map>();
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}
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}} // namespace cv::reg
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