init - 初始化项目

2022-05-06 01:58:53 +08:00
commit 90a5cc7cb6
6772 changed files with 2837787 additions and 0 deletions
--- a/samples/cpp/morphology2.cpp
+++ b/samples/cpp/morphology2.cpp
@@ -0,0 +1,109 @@
+#include "opencv2/imgproc.hpp"
+#include "opencv2/imgcodecs.hpp"
+#include "opencv2/highgui.hpp"
+#include <stdlib.h>
+#include <stdio.h>
+#include <string>
+
+using namespace cv;
+
+static void help(char** argv)
+{
+
+printf("\nShow off image morphology: erosion, dialation, open and close\n"
+    "Call:\n   %s [image]\n"
+    "This program also shows use of rect, ellipse and cross kernels\n\n", argv[0]);
+printf( "Hot keys: \n"
+    "\tESC - quit the program\n"
+    "\tr - use rectangle structuring element\n"
+    "\te - use elliptic structuring element\n"
+    "\tc - use cross-shaped structuring element\n"
+    "\tSPACE - loop through all the options\n" );
+}
+
+Mat src, dst;
+
+int element_shape = MORPH_RECT;
+
+//the address of variable which receives trackbar position update
+int max_iters = 10;
+int open_close_pos = 0;
+int erode_dilate_pos = 0;
+
+// callback function for open/close trackbar
+static void OpenClose(int, void*)
+{
+    int n = open_close_pos;
+    int an = abs(n);
+    Mat element = getStructuringElement(element_shape, Size(an*2+1, an*2+1), Point(an, an) );
+    if( n < 0 )
+        morphologyEx(src, dst, MORPH_OPEN, element);
+    else
+        morphologyEx(src, dst, MORPH_CLOSE, element);
+    imshow("Open/Close",dst);
+}
+
+// callback function for erode/dilate trackbar
+static void ErodeDilate(int, void*)
+{
+    int n = erode_dilate_pos;
+    int an = abs(n);
+    Mat element = getStructuringElement(element_shape, Size(an*2+1, an*2+1), Point(an, an) );
+    if( n < 0 )
+        erode(src, dst, element);
+    else
+        dilate(src, dst, element);
+    imshow("Erode/Dilate",dst);
+}
+
+
+int main( int argc, char** argv )
+{
+    cv::CommandLineParser parser(argc, argv, "{help h||}{ @image | baboon.jpg | }");
+    if (parser.has("help"))
+    {
+        help(argv);
+        return 0;
+    }
+    std::string filename = samples::findFile(parser.get<std::string>("@image"));
+    if( (src = imread(filename,IMREAD_COLOR)).empty() )
+    {
+        help(argv);
+        return -1;
+    }
+
+    //create windows for output images
+    namedWindow("Open/Close",1);
+    namedWindow("Erode/Dilate",1);
+
+    open_close_pos = erode_dilate_pos = max_iters;
+    createTrackbar("iterations", "Open/Close",&open_close_pos,max_iters*2+1,OpenClose);
+    setTrackbarMin("iterations", "Open/Close", -max_iters);
+    setTrackbarMax("iterations", "Open/Close", max_iters);
+    setTrackbarPos("iterations", "Open/Close", 0);
+
+    createTrackbar("iterations", "Erode/Dilate",&erode_dilate_pos,max_iters*2+1,ErodeDilate);
+    setTrackbarMin("iterations", "Erode/Dilate", -max_iters);
+    setTrackbarMax("iterations", "Erode/Dilate", max_iters);
+    setTrackbarPos("iterations", "Erode/Dilate", 0);
+
+    for(;;)
+    {
+        OpenClose(open_close_pos, 0);
+        ErodeDilate(erode_dilate_pos, 0);
+        char c = (char)waitKey(0);
+
+        if( c == 27 )
+            break;
+        if( c == 'e' )
+            element_shape = MORPH_ELLIPSE;
+        else if( c == 'r' )
+            element_shape = MORPH_RECT;
+        else if( c == 'c' )
+            element_shape = MORPH_CROSS;
+        else if( c == ' ' )
+            element_shape = (element_shape + 1) % 3;
+    }
+
+    return 0;
+}