Funciones split y merge

Son usadas para dividir y unir los canales de una imagen.

Author: devcarmelo

opencv-split_merge/CMakeLists.txt

@@ -0,0 +1,10 @@
+cmake_minimum_required(VERSION 3.0)
+
+project( Tutorial_OpenCV )
+
+find_package( OpenCV 3.0.0 REQUIRED )
+
+file(COPY rgb.png DESTINATION image)
+
+add_executable( ${PROJECT_NAME} source.cpp )
+target_link_libraries( ${PROJECT_NAME} ${OpenCV_LIBS} )

opencv-split_merge/rgb.png

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+#include <iostream>
+#include <opencv2/opencv.hpp>
+
+using namespace cv;
+using namespace std;
+
+int main(int argc, char** argv )
+{
+    Mat image = imread("image/rgb.png", CV_LOAD_IMAGE_COLOR);
+
+    if (image.empty())
+    {
+        printf("No se ha podido leer la imagen.\n");
+		getchar();
+        return -1;
+    }
+
+    imshow("Imagen Original", image);
+
+	std::vector<Mat> channels;
+	split(image, channels);
+
+	Mat zero = Mat::zeros(image.size(), CV_8UC1);
+
+	std::vector<Mat> B = { channels[0], zero, zero };
+	std::vector<Mat> G = { zero, channels[1], zero };
+	std::vector<Mat> R = { zero, zero, channels[2] };
+
+	Mat rdst, gdst, bdst;
+
+	merge(R, rdst);
+	merge(G, gdst);
+	merge(B, bdst);
+
+	imshow("R Channel", rdst);
+	imshow("G Channel", gdst);
+	imshow("B Channel", bdst);
+
+    waitKey(0);
+    return 0;
+}