OpenCV 腐蚀与膨胀(Eroding and Dilating)

 #include "opencv2/imgproc/imgproc.hpp"
 #include "opencv2/highgui/highgui.hpp"
 #include "highgui.h"
 #include <stdlib.h>
 #include <stdio.h>

 using namespace cv;

 /// 全局变量
 Mat src, erosion_dst, dilation_dst;

 int erosion_elem = ;
 int erosion_size = ;
 int dilation_elem = ;
 int dilation_size = ;
 int const max_elem = ;
 int const max_kernel_size = ;

 /** Function Headers */
 void Erosion( int, void* );
 void Dilation( int, void* );

 /** @function main */
 int main( int argc, char** argv )
 {
   /// Load 图像
   src = imread( argv[] );

   if( !src.data )
   { return -; }

   /// 创建显示窗口
   namedWindow( "Erosion Demo", CV_WINDOW_AUTOSIZE );
   namedWindow( "Dilation Demo", CV_WINDOW_AUTOSIZE );
   cvMoveWindow( "Dilation Demo", src.cols,  );

   /// 创建腐蚀 Trackbar
   createTrackbar( "Element:\n 0: Rect \n 1: Cross \n 2: Ellipse", "Erosion Demo",
                   &erosion_elem, max_elem,
                   Erosion );

   createTrackbar( "Kernel size:\n 2n +1", "Erosion Demo",
                   &erosion_size, max_kernel_size,
                   Erosion );

   /// 创建膨胀 Trackbar
   createTrackbar( "Element:\n 0: Rect \n 1: Cross \n 2: Ellipse", "Dilation Demo",
                   &dilation_elem, max_elem,
                   Dilation );

   createTrackbar( "Kernel size:\n 2n +1", "Dilation Demo",
                   &dilation_size, max_kernel_size,
                   Dilation );

   /// Default start
   Erosion( ,  );
   Dilation( ,  );

   waitKey();
   return ;
 }

 /**  @function Erosion  */
 void Erosion( int, void* )
 {
   int erosion_type;
   if( erosion_elem ==  ){ erosion_type = MORPH_RECT; }
   else if( erosion_elem ==  ){ erosion_type = MORPH_CROSS; }
   else if( erosion_elem == ) { erosion_type = MORPH_ELLIPSE; }

   Mat element = getStructuringElement( erosion_type,
                                        Size( *erosion_size + , *erosion_size+ ),
                                        Point( erosion_size, erosion_size ) );

   /// 腐蚀操作
   erode( src, erosion_dst, element );
   imshow( "Erosion Demo", erosion_dst );
 }

 /** @function Dilation */
 void Dilation( int, void* )
 {
   int dilation_type;
   if( dilation_elem ==  ){ dilation_type = MORPH_RECT; }
   else if( dilation_elem ==  ){ dilation_type = MORPH_CROSS; }
   else if( dilation_elem == ) { dilation_type = MORPH_ELLIPSE; }

   Mat element = getStructuringElement( dilation_type,
                                        Size( *dilation_size + , *dilation_size+ ),
                                        Point( dilation_size, dilation_size ) );
   ///膨胀操作
   dilate( src, dilation_dst, element );
   imshow( "Dilation Demo", dilation_dst );
 }