#include <cv.h>
#include <highgui.h>
#include <stdlib.h>
#include <stdio.h>
IplImage* src = 0;
IplImage* dst = 0;
IplConvKernel* element = 0;
int element_shape = CV_SHAPE_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
void OpenClose(int pos)
{
int n = open_close_pos - max_iters;
int an = n > 0 ? n : -n;
element = cvCreateStructuringElementEx( an*2+1, an*2+1, an, an, element_shape, 0 );
if( n < 0 )
{
cvErode(src,dst,element,1);
cvDilate(dst,dst,element,1);
}
else
{
cvDilate(src,dst,element,1);
cvErode(dst,dst,element,1);
}
cvReleaseStructuringElement(&element);
cvShowImage("Open/Close",dst);
}
// callback function for erode/dilate trackbar
void ErodeDilate(int pos)
{
int n = erode_dilate_pos - max_iters;
int an = n > 0 ? n : -n;
element = cvCreateStructuringElementEx( an*2+1, an*2+1, an, an, element_shape, 0 );
if( n < 0 )
{
cvErode(src,dst,element,1);
}
else
{
cvDilate(src,dst,element,1);
}
cvReleaseStructuringElement(&element);
cvShowImage("Erode/Dilate",dst);
}
int main( int argc, char** argv )
{
char* filename = argc == 2 ? argv[1] : (char*)"gray_road.jpg";
if( (src = cvLoadImage(filename,1)) == 0 )
return -1;
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","\tENTER - loop through all the options\n" );
dst = cvCloneImage(src);
//create windows for output images
IplImage* img=cvLoadImage("gray_cells");
cvNamedWindow("Open/Close",1);
cvNamedWindow("Erode/Dilate",1);
cvShowImage("gray_cells",img);
open_close_pos = erode_dilate_pos = max_iters;
cvCreateTrackbar("iterations", "Open/Close",&open_close_pos,max_iters*2+1,OpenClose);
cvCreateTrackbar("iterations", "Erode/Dilate",&erode_dilate_pos,max_iters*2+1,ErodeDilate);
for(;;)
{
int c;
OpenClose(open_close_pos);
ErodeDilate(erode_dilate_pos);
c = cvWaitKey(0);
if( (char)c == 27 )
break;
if( (char)c == 'e' )
element_shape = CV_SHAPE_ELLIPSE;
else if( (char)c == 'r' )
element_shape = CV_SHAPE_RECT;
else if( (char)c == 'c' )
element_shape = CV_SHAPE_CROSS;
else if( (char)c == '\n' )
element_shape = (element_shape + 1) % 3;
}
//release images
cvReleaseImage(&src);
cvReleaseImage(&dst);
//destroy windows
cvDestroyWindow("Open/Close");
cvDestroyWindow("Erode/Dilate");
return 0;
}
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5 Erode and Dilate.rar (23个子文件)
5 Erode and Dilate
cv.lib 79KB
Erode and Dilate.ncb 49KB
highgui.lib 32KB
cvaux.lib 134KB
Erode and Dilate.dsp 4KB
Erode and Dilate.plg 266B
baboon.PNG 685KB
cxcore.lib 80KB
Erode and Dilate.dsw 540B
h.cpp 3KB
gray_road.JPG 24KB
cvcam.lib 7KB
Debug
h.sbr 0B
vc60.idb 265KB
Erode and Dilate.ilk 186KB
Erode and Dilate.pdb 433KB
Erode and Dilate.pch 4.92MB
h.obj 19KB
vc60.pdb 92KB
Erode and Dilate.bsc 2.02MB
Erode and Dilate.exe 168KB
Erode and Dilate.opt 289KB
ml.lib 120KB
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- thanmail2014-07-15学到了opencv的图像学的不少东西
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