opencv 抠图联通块（ｃ接口）

#include "stdio.h"
#include "iostream"
#include "opencv/cv.h"
#include "opencv2/opencv.hpp"
#include "basicOCR.h"
#include "time.h"
using namespace std;
using namespace cv;

void ImageRect(IplImage *srcImg, IplImage *dstImg);
int main()
{
    /*basicOCR bor;
    IplImage *image = cvLoadImage("585.pbm",1);
    IplImage *gray = cvCreateImage(cvGetSize(image),IPL_DEPTH_8U,1);
    cvCvtColor(image,gray,CV_RGB2GRAY);
    bor.classify(gray,1);
    //printf("depth = %d\nwidth = %d\nheight = %d\nnChannels = %d\n",image->depth,image->width,image->height,image->nChannels);

    image = cvLoadImage("608.pbm",1);
    cvCvtColor(image,gray,CV_RGB2GRAY);
    bor.classify(gray,1);

    image = cvLoadImage("test002.jpg",1);
    IplImage *gray1 = cvCreateImage(cvGetSize(image),IPL_DEPTH_8U,1);
    cvCvtColor(image,gray1,CV_RGB2GRAY);
    bor.classify(gray1,1);
*/
    basicOCR bor;
    int type;
    while(scanf("%d",&type)!=EOF)
    {
        if(type == -1)
            break;

        char path[20];
        sprintf(path,"./test00%d.jpg",type);
        clock_t start,finish;
        start = clock();
        IplImage *srcImage = cvLoadImage(path,1);
        if(srcImage==NULL){
            printf("%s : path is error...",path);
            continue;
        }

        IplImage *gray2 = cvCreateImage(cvSize(128,128),IPL_DEPTH_8U,1);
        ImageRect(srcImage,gray2);
        //cvCvtColor(srcImage,gray2,CV_RGB2GRAY);
        bor.classify(gray2,1);
        finish = clock();
        double duration = (double)(finish-start)/CLOCKS_PER_SEC;
        printf("检测时间: %f seconds\n",duration);

    }
    return 0;
}
void ImageRect(IplImage *srcImg, IplImage *dstImg)
{
    IplImage *tempImg = cvCreateImage(cvGetSize(srcImg),IPL_DEPTH_8U,1);
    IplImage *resultImg = cvCreateImage(cvGetSize(srcImg),IPL_DEPTH_8U,1);
    IplImage *backgroundImg = cvCreateImage(cvSize(128,128),8,1);
    cvZero(backgroundImg);
    for(int i = 0; i<backgroundImg->height;i++)
    {
        unsigned char *data = (unsigned char*)backgroundImg->imageData+i*backgroundImg->widthStep;
        for(int j=0; j<backgroundImg->width;j++)
        {
            data[j] = 0;
        }
    }
    //cvShowImage("back",backgroundImg);
    cvCvtColor(srcImg,tempImg,CV_RGB2GRAY);
    cvThreshold(tempImg,tempImg,220,255,CV_THRESH_BINARY_INV);
    cvCopy(tempImg,resultImg);
    CvMemStorage *storage = cvCreateMemStorage();
    //cvShowImage("h0",tempImg);
    CvSeq *contours = NULL;
    cvFindContours(tempImg,storage,&contours,sizeof(CvContour),CV_RETR_LIST,CV_CHAIN_APPROX_NONE,cvPoint(0,0));
    int area;
    CvRect rect;
    while(contours)
    {
        rect = cvBoundingRect(contours,0);
        area = rect.width * rect.height;
        if(area>50)
        {
            printf("x");
            //cvRectangle(resultImg,cvPoint(rect.x,rect.y),cvPoint(rect.x+rect.width,rect.y+rect.height),CV_RGB(200,200,200),1,8,0);
            int mHeight = 60;
            int mWidth = 60;
            int mLeft = 40;
            int mTop = 40;
            if(rect.height>rect.width)
            {
                mWidth = (int)(60.0*rect.width/rect.height);
            }else{
                mHeight = (int)(60.0*rect.height/rect.width);
            }
            IplImage *foregroundImg = cvCreateImage(cvSize(mWidth,mHeight),8,1);

            cvSetImageROI(resultImg,rect);
            cvSetImageROI(backgroundImg,cvRect(mLeft,mTop,mWidth,mHeight));
            cvResize(resultImg,foregroundImg,CV_INTER_NN);
            cvCopy(foregroundImg,backgroundImg);
            cvResetImageROI(backgroundImg);
            cvResetImageROI(resultImg);

            cvReleaseImage(&foregroundImg);
        }
        contours = contours->h_next;
    }
    //cvShowImage("h2",resultImg);

    cvThreshold(backgroundImg,backgroundImg,220,255,CV_THRESH_BINARY_INV);
    cvSmooth(backgroundImg,backgroundImg,CV_BLUR,3,3,0,0);
    cvDilate(backgroundImg,backgroundImg,NULL,1);
    cvErode(backgroundImg,backgroundImg,NULL,2);

    cvThreshold(backgroundImg,backgroundImg,220,255,CV_THRESH_BINARY);
    cvCopy(backgroundImg,dstImg,NULL);
    cvSaveImage("./epsq3.jpg",backgroundImg);

    //cvShowImage("background",backgroundImg);
    //cvWaitKey(0);
    cvReleaseMemStorage(&storage);
    cvReleaseImage(&tempImg);
    cvReleaseImage(&resultImg);
    cvReleaseImage(&backgroundImg);

}