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形态学处理函数
- #include <cv.h>
- #include <highgui.h>
- #include <stdio.h>
- #define isSIZEEQU(x,y) (((x)->width)==((y)->width)&&((x)->height)==((y)->height))
- typedef int DataType;
- struct Position_{
- int x;
- int y;
- };
- typedef struct Position_ Position;
- typedef struct Position_ MoveDirection;
- //位移操作,将图像整体移动,如果超出边界舍去
- int isEqual(IplImage *src1,IplImage *src2){
- if(!isSIZEEQU(src1, src2))
- return 0;
- int width=src1->width;
- int height=src1->height;
- for(int i=0;i<width;i++)
- for(int j=0;j<height;j++){
- int v0=cvGetReal2D(src1, j, i);
- int v1=cvGetReal2D(src2, j, i);
- if(v0!=v1)
- return 0;
- }
- return 1;
- }
- //检测图像是否为空
- int isEmpty(IplImage *src){
- int width=src->width;
- int height=src->height;
- for(int i=0;i<width;i++)
- for(int j=0;j<height;j++){
- int v=cvGetReal2D(src, j, i);
- if(v!=0.0)
- return 0;
- }
- return 1;
- }
- void Translation(IplImage *src,IplImage *dst,MoveDirection *direction){
- int width=src->width;
- int height=src->height;
- //printf("%d,%d\n",direction->x,direction->y);
- IplImage *temp=cvCreateImage(cvSize(width, height), src->depth, src->nChannels);
- cvZero(temp);
- for(int i=0;i<width;i++)
- for(int j=0;j<height;j++){
- if(j+direction->y<height &&
- i+direction->x<width &&
- j+direction->y>=0 &&
- i+direction->x>=0 )
- cvSetReal2D(temp, j+direction->y, i+direction->x, cvGetReal2D(src, j, i));
- }
- cvCopy(temp, dst, NULL);
- cvReleaseImage(&temp);
- }
- //将小的图像弄到大的黑色图像中间,或者说是给图像加黑色边框
- void Zoom(IplImage *src,IplImage *dst){
- if(dst->width<src->width ||
- dst->height<src->height ||
- (dst->height-src->height)%2==1||
- (dst->width-src->width)%2==1){
- if(dst->width<src->width )
- printf("Zoom wrong:dst‘s width too small!\n");
- if(dst->height<src->height )
- printf("Zoom wrong:dst‘s height too small!\n");
- if((dst->height-src->height)%2==1||(dst->width-src->width)%2==1)
- printf("Zoom wrong:dst-src not a oushu!\n");
- exit(0);
- }
- MoveDirection m;
- m.x=(dst->width-src->width)/2;
- m.y=(dst->height-src->height)/2;
- cvZero(dst);
- for(int i=m.x,j=0;j<src->width;i++,j++){
- for(int k=m.y,n=0;n<src->height;k++,n++){
- cvSetReal2D(dst, k, i, cvGetReal2D(src, n, j));
- }
- }
- }
- //逻辑与操作
- int And(IplImage *src0,IplImage *src1,IplImage *dst){
- int isChanged=0;
- if(!isSIZEEQU(src0,src1)){
- printf("And wrong !\n");
- exit(0);
- }
- if(!isSIZEEQU(src0,dst)){
- printf("And wrong !\n");
- exit(0);
- }
- int width=src0->width;
- int height=src0->height;
- for(int i=0;i<width;i++){
- for(int j=0;j<height;j++){
- if(cvGetReal2D(src0, j, i)>100.0&&
- cvGetReal2D(src1, j, i)>100.0)
- cvSetReal2D(dst, j, i, 255.0);
- else
- cvSetReal2D(dst, j, i, 0.0);
- }
- }
- return isChanged;
- }
- //逻辑或操作
- void Or(IplImage *src0,IplImage *src1,IplImage *dst){
- if(!isSIZEEQU(src0,src1)){
- printf("And wrong !\n");
- exit(0);
- }
- if(!isSIZEEQU(src0,dst)){
- printf("And wrong !\n");
- exit(0);
- }
- int width=src0->width;
- int height=src0->height;
- for(int i=0;i<width;i++){
- for(int j=0;j<height;j++){
- if(cvGetReal2D(src0, j, i)>100.0||
- cvGetReal2D(src1, j, i)>100.0)
- cvSetReal2D(dst, j, i, 255);
- }
- }
- }
- //取反
- void Not(IplImage *src,IplImage *dst){
- if(!isSIZEEQU(src,dst)){
- printf("Not wrong !\n");
- exit(0);
- }
- int width=src->width;
- int height=src->height;
- for(int i=0;i<width;i++){
- for(int j=0;j<height;j++){
- cvSetReal2D(dst, j, i, 255.0-cvGetReal2D(src, j, i));
- }
- }
- }
- //将所有元素设为1
- void One(IplImage *src){
- for(int i=0;i<src->width;i++)
- for(int j=0;j<src->height;j++)
- cvSetReal2D(src, j, i, 255.0);
- }
- //膨胀
- void Dilate(IplImage *src,IplImage *dst,IplImage *se,Position *center){
- if(center==NULL){
- Position temp;
- temp.x=se->width/2;
- temp.y=se->height/2;
- center=&temp;
- }
- //printf("%d,%d",center->x,center->y);
- MoveDirection m;
- IplImage *temp=cvCreateImage(cvGetSize(dst), dst->depth,dst->nChannels);
- IplImage *tempdst=cvCreateImage(cvGetSize(dst), dst->depth,dst->nChannels);
- IplImage *realdst=cvCreateImage(cvGetSize(dst), dst->depth,dst->nChannels);
- cvZero(realdst);
- Zoom(src,temp);
- int width=se->width;
- int height=se->height;
- for(int i=0;i<width;i++){
- for(int j=0;j<height;j++){
- if(cvGetReal2D(se, j, i)>100.0){
- m.x=i-center->x;
- m.y=j-center->y;
- Translation(temp,tempdst, &m);
- Or(tempdst, realdst, realdst);
- }
- }
- }
- cvCopy(realdst, dst, NULL);
- cvReleaseImage(&temp);
- cvReleaseImage(&realdst);
- cvReleaseImage(&tempdst);
- }
- //腐蚀
- void Erode(IplImage *src,IplImage *dst,IplImage *se,Position *center){
- if(center==NULL){
- Position temp;
- temp.x=se->width/2;
- temp.y=se->height/2;
- center=&temp;
- }
- MoveDirection m;
- IplImage *temp=cvCreateImage(cvGetSize(dst), dst->depth,dst->nChannels);
- IplImage *tempdst=cvCreateImage(cvGetSize(dst), dst->depth,dst->nChannels);
- IplImage *realdst=cvCreateImage(cvGetSize(dst), dst->depth,dst->nChannels);
- One(realdst);
- Zoom(src,temp);
- int width=se->width;
- int height=se->height;
- for(int i=0;i<width;i++){
- for(int j=0;j<height;j++){
- if(cvGetReal2D(se, j, i)>100.0){
- m.x=center->x-i;
- m.y=center->y-j;
- Translation(temp,tempdst, &m);
- And(tempdst, realdst, realdst);
- }
- }
- }
- cvCopy(realdst, dst, NULL);
- cvReleaseImage(&tempdst);
- cvReleaseImage(&temp);
- cvReleaseImage(&realdst);
- }
- //开操作
- void Open(IplImage *src,IplImage *dst,IplImage *se,Position *center){
- Erode(src, dst, se, center);
- Dilate(dst, dst, se, center);
- }
- //关操作
- void Close(IplImage *src,IplImage *dst,IplImage *se,Position *center){
- Dilate(src, dst, se, center);
- Erode(dst, dst, se, center);
- }
- //击中与击不中
- void HitorMiss(IplImage *src,IplImage *se1,IplImage *se2,IplImage *dst,Position *se1center,Position *se2center){
- IplImage *temp1=cvCreateImage(cvGetSize(src), src->depth, src->nChannels);
- IplImage *temp2=cvCreateImage(cvGetSize(src), src->depth, src->nChannels);
- Erode(src, temp1, se1, se1center);
- Not(src, temp2);
- Erode(temp2, temp2, se2, se2center);
- And(temp1, temp2, dst);
- cvReleaseImage(&temp1);
- cvReleaseImage(&temp2);
- }
- //二值图像,边缘检测
- void BinaryEdge(IplImage *src,IplImage* dst){
- IplImage *temp=cvCreateImage(cvGetSize(src), src->depth, src->nChannels);
- Erode(src, temp, NULL, NULL);
- cvSub(src, temp, dst, NULL);
- cvReleaseImage(&temp);
- }
- //孔洞填充
- void FillHole(IplImage *src,IplImage *dst,IplImage *se,Position *seed){
- IplImage * temp=cvCreateImage(cvGetSize(src), src->depth, src->nChannels);
- cvZero(temp);
- IplImage * lasttemp=cvCreateImage(cvGetSize(src), src->depth, src->nChannels);
- IplImage * nsrc=http://www.mamicode.com/cvCreateImage(cvGetSize(src), src->depth, src->nChannels);
- Not(src, nsrc);
- cvSetReal2D(temp, seed->y, seed->x, 255.0);
- while(!isEqual(lasttemp, temp)){
- cvCopy(temp, lasttemp, NULL);
- Dilate(temp, temp, se, NULL);
- And(temp, nsrc, temp);
- }
- Or(temp, src, dst);
- cvReleaseImage(&temp);
- cvReleaseImage(&lasttemp);
- cvReleaseImage(&nsrc);
- }
- //连通分量获取
- void GetConComponent(IplImage *src,IplImage *dst,IplImage *se,Position *seed){
- IplImage * temp=cvCreateImage(cvGetSize(src), src->depth, src->nChannels);
- cvZero(temp);
- IplImage * lasttemp=cvCreateImage(cvGetSize(src), src->depth, src->nChannels);
- cvSetReal2D(temp, seed->y, seed->x, 255.0);
- while(!isEqual(lasttemp, temp)){
- cvCopy(temp, lasttemp, NULL);
- Dilate(temp, temp, se, NULL);
- And(temp, src, temp);
- }
- cvCopy(temp, dst, NULL);
- cvReleaseImage(&temp);
- cvReleaseImage(&lasttemp);
- }
- //骨架
- void FrameWork(IplImage *src,IplImage *dst,IplImage *se){
- cvZero(dst);
- IplImage *temp=cvCreateImage(cvGetSize(src), src->depth,src->nChannels);
- IplImage *temp_open=cvCreateImage(cvGetSize(src), src->depth,src->nChannels);
- cvCopy(src, temp, NULL);
- while(!isEmpty(temp)){
- Erode(temp, temp, se, NULL);
- cvCopy(temp, temp_open, NULL);
- Open(temp_open, temp_open, se, NULL);
- cvSub(temp, temp_open, temp_open,NULL);
- Or(temp_open, dst, dst);
- }
- cvReleaseImage(&temp);
- cvReleaseImage(&temp_open);
- }
- //凸壳生成结构元
- IplImage* CreateConvexhullSE(int num){
- IplImage *se=cvCreateImage(cvSize(3, 3), 8, 1);
- cvZero(se);
- switch (num) {
- case 0:
- {
- cvSetReal2D(se, 0, 0, 255.0);
- cvSetReal2D(se, 1, 0, 255.0);
- cvSetReal2D(se, 2, 0, 255.0);
- }
- break;
- case 1:
- {
- cvSetReal2D(se, 0, 0, 255.0);
- cvSetReal2D(se, 0, 1, 255.0);
- cvSetReal2D(se, 0, 2, 255.0);
- }
- break;
- case 2:
- {
- cvSetReal2D(se, 0, 2, 255.0);
- cvSetReal2D(se, 1, 2, 255.0);
- cvSetReal2D(se, 2, 2, 255.0);
- }
- break;
- case 3:
- {
- cvSetReal2D(se, 2, 0, 255.0);
- cvSetReal2D(se, 2, 1, 255.0);
- cvSetReal2D(se, 2, 2, 255.0);
- }
- break;
- default:
- break;
- }
- return se;
- }
- //凸壳
- void Convexhull(IplImage *src,IplImage *dst){
- cvCopy(src, dst, NULL);
- IplImage * se[4];
- IplImage *temp=cvCreateImage(cvGetSize(src), src->depth, src->nChannels);
- IplImage *temp_last=cvCreateImage(cvGetSize(src), src->depth, src->nChannels);
- //cvCopy(src, temp, NULL);
- for(int i=0;i<4;i++){
- cvCopy(src, temp, NULL);
- se[i]=CreateConvexhullSE(i);
- while (!isEqual(temp, temp_last)) {
- cvCopy(temp, temp_last, NULL);
- Erode(temp, temp, se[i],NULL);
- Or(temp, dst, temp);
- }
- cvCopy(temp, dst, NULL);
- cvReleaseImage(&se[i]);
- }
- cvReleaseImage(&temp);
- cvReleaseImage(&temp_last);
- }
- //生成细化结构元
- IplImage* CreateThinningSE(int num){
- IplImage *se=cvCreateImage(cvSize(3, 3), 8, 1);
- cvZero(se);
- switch (num) {
- case 0:
- {
- cvSetReal2D(se, 2, 0, 255.0);
- cvSetReal2D(se, 2, 1, 255.0);
- cvSetReal2D(se, 2, 2, 255.0);
- cvSetReal2D(se, 1, 1, 255.0);
- }
- break;
- case 1:
- {
- cvSetReal2D(se, 1, 1, 255.0);
- cvSetReal2D(se, 1, 0, 255.0);
- cvSetReal2D(se, 2, 0, 255.0);
- cvSetReal2D(se, 2, 1, 255.0);
- }
- break;
- case 2:
- {
- cvSetReal2D(se, 1, 1, 255.0);
- cvSetReal2D(se, 1, 0, 255.0);
- cvSetReal2D(se, 2, 0, 255.0);
- cvSetReal2D(se, 0, 0, 255.0);
- }
- break;
- case 3:
- {
- cvSetReal2D(se, 1, 1, 255.0);
- cvSetReal2D(se, 0, 0, 255.0);
- cvSetReal2D(se, 0, 1, 255.0);
- cvSetReal2D(se, 1, 0, 255.0);
- }
- break;
- case 4:
- {
- cvSetReal2D(se, 1, 1, 255.0);
- cvSetReal2D(se, 0, 0, 255.0);
- cvSetReal2D(se, 0, 1, 255.0);
- cvSetReal2D(se, 0, 2, 255.0);
- }
- break;
- case 5:
- {
- cvSetReal2D(se, 0, 1, 255.0);
- cvSetReal2D(se, 0, 2, 255.0);
- cvSetReal2D(se, 1, 1, 255.0);
- cvSetReal2D(se, 1, 2, 255.0);
- }
- break;
- case 6:
- {
- cvSetReal2D(se, 1, 1, 255.0);
- cvSetReal2D(se, 0, 2, 255.0);
- cvSetReal2D(se, 1, 2, 255.0);
- cvSetReal2D(se, 2, 2, 255.0);
- }
- break;
- case 7:
- {
- cvSetReal2D(se, 1, 1, 255.0);
- cvSetReal2D(se, 1, 2, 255.0);
- cvSetReal2D(se, 2, 1, 255.0);
- cvSetReal2D(se, 2, 2, 255.0);
- }
- break;
- default:
- break;
- }
- return se;
- }
- IplImage* CreateThinningUSE(int num){
- IplImage *se=cvCreateImage(cvSize(3, 3), 8, 1);
- cvZero(se);
- switch (num) {
- case 0:
- {
- cvSetReal2D(se, 0, 1, 255.0);
- cvSetReal2D(se, 0, 2, 255.0);
- cvSetReal2D(se, 0, 0, 255.0);
- }
- break;
- case 1:
- {
- cvSetReal2D(se, 0, 1, 255.0);
- cvSetReal2D(se, 0, 2, 255.0);
- cvSetReal2D(se, 1, 2, 255.0);
- }
- break;
- case 2:
- {
- cvSetReal2D(se, 0, 2, 255.0);
- cvSetReal2D(se, 1, 2, 255.0);
- cvSetReal2D(se, 2, 2, 255.0);
- }
- break;
- case 3:
- {
- cvSetReal2D(se, 1, 2, 255.0);
- cvSetReal2D(se, 2, 1, 255.0);
- cvSetReal2D(se, 2, 2, 255.0);
- }
- break;
- case 4:
- {
- cvSetReal2D(se, 2, 0, 255.0);
- cvSetReal2D(se, 2, 1, 255.0);
- cvSetReal2D(se, 2, 2, 255.0);
- }
- break;
- case 5:
- {
- cvSetReal2D(se, 1, 0, 255.0);
- cvSetReal2D(se, 2, 0, 255.0);
- cvSetReal2D(se, 2, 1, 255.0);
- }
- break;
- case 6:
- {
- cvSetReal2D(se, 0, 0, 255.0);
- cvSetReal2D(se, 1, 0, 255.0);
- cvSetReal2D(se, 2, 0, 255.0);
- }
- break;
- case 7:
- {
- cvSetReal2D(se, 0, 0, 255.0);
- cvSetReal2D(se, 0, 1, 255.0);
- cvSetReal2D(se, 1, 0, 255.0);
- }
- break;
- default:
- break;
- }
- return se;
- }
- //细化操作
- void Thinning(IplImage *src,IplImage *dst){
- IplImage *temp=cvCreateImage(cvGetSize(src), src->depth, src->nChannels);
- IplImage *temp_last=cvCreateImage(cvGetSize(src), src->depth, src->nChannels);
- IplImage *temp_com=cvCreateImage(cvGetSize(src), src->depth, src->nChannels);
- cvZero(temp_last);
- cvCopy(src, temp, NULL);
- while(!isEqual(temp, temp_com)){
- cvCopy(temp, temp_com, NULL);
- for(int i=0;i<8;i++){
- cvCopy(temp, temp_last, NULL);
- IplImage *se1=CreateThinningSE(i);
- IplImage *se2=CreateThinningUSE(i);
- HitorMiss(temp, se1, se2, temp, NULL, NULL);
- cvSub(temp_last, temp, temp, NULL);
- cvReleaseImage(&se1);
- cvReleaseImage(&se2);
- }
- }
- cvCopy(temp, dst, NULL);
- cvReleaseImage(&temp);
- cvReleaseImage(&temp_com);
- cvReleaseImage(&temp_last);
- }
- //重建开操作
- void reBuildOpen(IplImage *src,IplImage *dst,IplImage *ground,IplImage *dilateSE,IplImage *erodeSE,int eroden){
- IplImage *temp=cvCreateImage(cvGetSize(src), src->depth, src->nChannels);
- IplImage *temp_last=cvCreateImage(cvGetSize(src), src->depth, src->nChannels);
- cvCopy(src, temp, NULL);
- for(int i=0;i<eroden;i++){
- Erode(temp, temp, erodeSE, NULL);
- }
- while(!isEqual(temp, temp_last)){
- cvCopy(temp, temp_last, NULL);
- Dilate(temp, temp, dilateSE, NULL);
- And(temp, ground, temp);
- }
- cvCopy(temp, dst, NULL);
- cvReleaseImage(&temp);
- cvReleaseImage(&temp_last);
- }
- int main(){
- return 0;
- }
形态学处理函数
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