图像的形态学处理

IplImage *src=0;  
IplImage *dst=0;  
IplConvKernel *element=0; 
int element_shape=CV_SHAPE_CROSS; 
int max_iters=20;  
int open_close_pos=0;  
int erode_dilate_pos=0; 

void ImageOpenClose(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);//创建结构元素  
     
    if (n<0)  {  
        cvErode(src,dst,element,1);//腐蚀图像  
        cvDilate(dst,dst,element,1);//膨胀图像  
    }  
    else  {         
        cvDilate(dst,dst,element,1);//膨胀图像  
        cvErode(src,dst,element,1);//腐蚀图像  
    }  
    cvReleaseStructuringElement(&element);  
    cvShowImage("Open/Close",dst);  
}  
void ImageErodeDilate(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 _tmain(int argc, _TCHAR* argv[]){  
    char *filename ="Tulips.jpg";     
    if( (src = cvLoadImage(filename,1)) == 0 )  
        return -1;  
    dst=cvCloneImage(src);  
    cvNamedWindow("Open/Close",1);  
    cvNamedWindow("Erode/Dilate",1);  
    open_close_pos = erode_dilate_pos = max_iters;  
    cvCreateTrackbar("iterations","Open/Close",&open_close_pos,max_iters*2+1,ImageOpenClose);  
    cvCreateTrackbar("iterations","Erode/Dilate",&erode_dilate_pos,max_iters*2+1,ImageErodeDilate);
	
	for (;;)  {  
        int c;  
        ImageOpenClose(open_close_pos);  
        ImageErodeDilate(erode_dilate_pos);  
        c= cvWaitKey(0);  
        if (c==27) {  
            break;  
        }  
        switch(c) {  
        case ‘e‘:  
            element_shape=CV_SHAPE_ELLIPSE;  
            break;  
        case ‘r‘:  
            element_shape=CV_SHAPE_RECT;  
            break;  
        case ‘/r‘:  
            element_shape=(element_shape+1)%3;  
            break;  
        default:  
            break;  
        }  
    }  
    cvReleaseImage(&src);  
    cvReleaseImage(&dst);  
     
    cvDestroyWindow("Open/Close");  
    cvDestroyWindow("Erode/Dilate");  
    return 0;  
}  

输出结果：

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图像的形态学处理,布布扣,bubuko.com

图像的形态学处理

原文：http://blog.csdn.net/songzitea/article/details/24555995