vendor: OpenCV 5.0.0 snapshot at 755e50675d97db9b7d449d8bd6b09888646f6c6e

2026-08-22 00:11:13 +08:00
commit 12022378a3
3872 changed files with 2513409 additions and 0 deletions
@@ -0,0 +1,105 @@
+/*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.
+//
+// Copyright (C) 2013, Alfonso Sanchez-Beato, 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 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*/
+
+#include "precomp.hpp"
+#include <vector>
+
+#include "opencv2/imgproc.hpp"
+#include "opencv2/reg/mapperpyramid.hpp"
+
+using namespace std;
+
+namespace cv {
+namespace reg {
+
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+MapperPyramid::MapperPyramid(Ptr<Mapper> baseMapper)
+    : numLev_(3), numIterPerScale_(3), baseMapper_(*baseMapper)
+{
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+Ptr<Map> MapperPyramid::calculate(InputArray _img1, InputArray image2, Ptr<Map> init) const
+{
+    Mat img1 = _img1.getMat();
+    Mat img2;
+
+    if(!init.empty()) {
+        // We have initial values for the registration: we move img2 to that initial reference
+        init->inverseWarp(image2, img2);
+    } else {
+        init = baseMapper_.getMap();
+        img2 = image2.getMat();
+    }
+
+    cv::Ptr<Map> ident = baseMapper_.getMap();
+
+    // Precalculate pyramid images
+    vector<Mat> pyrIm1(numLev_), pyrIm2(numLev_);
+    pyrIm1[0] = img1;
+    pyrIm2[0] = img2;
+    for(int im_i = 1; im_i < numLev_; ++im_i) {
+        pyrDown(pyrIm1[im_i - 1], pyrIm1[im_i]);
+        pyrDown(pyrIm2[im_i - 1], pyrIm2[im_i]);
+    }
+
+    Mat currRef, currImg;
+    for(int lv_i = 0; lv_i < numLev_; ++lv_i) {
+        currRef = pyrIm1[numLev_ - 1 - lv_i];
+        currImg = pyrIm2[numLev_ - 1 - lv_i];
+        // Scale the transformation as we are incresing the resolution in each iteration
+        if(lv_i != 0) {
+            ident->scale(2.);
+        }
+        for(int it_i = 0; it_i < numIterPerScale_; ++it_i) {
+            ident = baseMapper_.calculate(currRef, currImg, ident);
+        }
+    }
+
+    init->compose(ident);
+    return init;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+cv::Ptr<Map> MapperPyramid::getMap() const
+{
+    return cv::Ptr<Map>();
+}
+
+
+}}  // namespace cv::reg