利用OpenCV实现局部动态阈值分割

#include "dialog.h"#include <QApplication>#include "cv.h"#include "highgui.h"#include <QDebug>int main(int argc, char *argv[]){  IplImage *img = cvLoadImage("D:/cs/1227/f9.bmp",0);  IplImage *out = cvCreateImage(cvGetSize(img),img->depth,1);  cvSmooth(img,out,CV_BLUR,50);  IplImage *res = cvCreateImage(cvGetSize(img),img->depth,1);  qDebug()<<img->nChannels;  double a = 0;  double b = 0;  for(int i=0;i<img->height;i++){    for(int j=0;j<img->width;j++){      CvScalar color = cvGet2D(img,i,j);      CvScalar color1 = cvGet2D(out,i,j);      a = color.val[0];      b = color1.val[0];      //a = exp(a);      CvScalar c = cvScalar(b-a+128);      cvSet2D(res,i,j,c);    }  }  cvThreshold(res,res,150,255,CV_THRESH_BINARY_INV);  cvNamedWindow("Image",0);  cvShowImage("Image",res);  cvSaveImage("D:/cs/cs.bmp",out);  cvWaitKey(0);  cvReleaseImage(&img);  cvDestroyWindow("Image");  return 0;}