vendor: OpenCV 5.0.0 snapshot at 755e50675d97db9b7d449d8bd6b09888646f6c6e

modules/ximgproc/samples/peilin.cpp

@@ -0,0 +1,50 @@
+#include <opencv2/imgproc.hpp>
+#include <opencv2/highgui.hpp>
+#include <opencv2/ximgproc.hpp>
+
+#include <iostream>
+
+static inline cv::Mat operator& ( const cv::Mat& lhs, const cv::Matx23d& rhs )
+{
+    cv::Mat ret;
+    cv::warpAffine ( lhs, ret, rhs, lhs.size(), cv::INTER_LINEAR );
+    return ret;
+}
+
+static inline cv::Mat operator& ( const cv::Matx23d& lhs, const cv::Mat& rhs )
+{
+    cv::Mat ret;
+    cv::warpAffine ( rhs, ret, lhs, rhs.size(), cv::INTER_LINEAR | cv::WARP_INVERSE_MAP );
+    return ret;
+}
+
+int main(int argc, char** argv)
+{
+    cv::CommandLineParser parser(argc, argv, "{ @input1 | ../data/peilin_plane.png | }{ @input2 | ../data/peilin_shape.png | }");
+    parser.about("\nThis program demonstrates Pei&Lin Normalization\n");
+    parser.printMessage();
+
+    std::string filename1 = parser.get<std::string>("@input1");
+    std::string filename2 = parser.get<std::string>("@input2");
+
+    cv::Mat I = cv::imread(filename1, 0);
+    if (I.empty())
+    {
+        std::cout << "Couldn't open image " << filename1 << std::endl;
+        return 0;
+    }
+    cv::Mat J = cv::imread(filename2, 0);
+    if (J.empty())
+    {
+        std::cout << "Couldn't open image " << filename2 << std::endl;
+        return 0;
+    }
+    cv::Mat N = I & cv::ximgproc::PeiLinNormalization ( I );
+    cv::Mat D = cv::ximgproc::PeiLinNormalization ( J ) & I;
+    cv::imshow ( "I", I );
+    cv::imshow ( "N", N );
+    cv::imshow ( "J", J );
+    cv::imshow ( "D", D );
+    cv::waitKey();
+    return 0;
+}