邻域生长主要是将种子图像提取出来，根据原图像中的连通性将目标生成出来

红太狼 2022-09-17 14:23 5阅读 0赞

转载：http://blog.sina.com.cn/s/blog\_5e0d222e0100kbju.html

typedef struct//保存种子像素  
\{  
int x;  
int y;  
\}seedpoint;

void Grow(IplImage\* src,IplImage\* seed, int gray)//gray=255  
\{  
stack<seedpoint>seedS;  
seedpoint point;  
// 获取图像数据,保存种子区域  
int height= seed->height;  
int width= seed->width;  
int step= seed->widthStep;  
int channels = seed->nChannels;  
uchar\* seed\_data= (uchar \*)seed->imageData;  
uchar\* src\_data=(uchar \*)src->imageData;  
for(int i=0;i<height;i++)  
\{  
for(int j=0;j<width;j++)  
\{  
if(seed\_data\[i\*step+j\]==255)  
\{  
point.x=i;  
point.y=j;  
seedS.push(point);  
\}  
\}  
\}  
while(!seedS.empty())  
\{  
seedpoint temppoint;  
point=seedS.top();  
seedS.pop();  
if((point.x>0)&&(point.x<(height-1))&&(point.y>0)&&(point.y<(width-1)))  
\{  
if((seed\_data\[(point.x-1)\*step+point.y\]==0)&&(src\_data\[(point.x-1)\*step+point.y\]==gray))  
\{  
seed\_data\[(point.x-1)\*step+point.y\]=255;  
temppoint.x=point.x-1;  
temppoint.y=point.y;  
seedS.push(temppoint);  
\}  
if((seed\_data\[point.x\*step+point.y+1\]==0)&&(src\_data\[point.x\*step+point.y+1\]==gray))  
\{  
seed\_data\[point.x\*step+point.y+1\]=255;  
temppoint.x=point.x;  
temppoint.y=point.y+1;  
seedS.push(temppoint);  
\}  
if((seed\_data\[point.x\*step+point.y-1\]==0)&&(src\_data\[point.x\*step+point.y-1\]==gray))  
\{  
seed\_data\[point.x\*step+point.y-1\]=255;  
temppoint.x=point.x;  
temppoint.y=point.y-1;  
seedS.push(temppoint);  
\}  
if((seed\_data\[(point.x+1)\*step+point.y\]==0)&&(src\_data\[(point.x+1)\*step+point.y\]==gray))  
\{  
seed\_data\[(point.x+1)\*step+point.y\]=255;  
temppoint.x=point.x+1;  
temppoint.y=point.y;  
seedS.push(temppoint);  
\}  
\}  
\}  
\}