阈值化----cvThreshold函数

#include<cv.h>
#include<highgui.h>
#include<iostream>
#include<opencv2/opencv.hpp>


using namespace std;


int main(int argc, char* argv[])
{
  IplImage *img= cvLoadImage("D:\\123\\2\\3.jpg");         //**读取源图片**//
                 cvNamedWindow("原图",CV_WINDOW_AUTOSIZE);
                 cvShowImage("原图",img);
  IplImage *temp=cvCreateImage (cvGetSize(img),IPL_DEPTH_8U,3);


 cvThreshold( img, temp, 100, 100,  CV_THRESH_TRUNC);
                  cvNamedWindow("处理",CV_WINDOW_AUTOSIZE);
 cvShowImage("处理",temp);


  cvWaitKey(0); 


  cvReleaseImage(&temp);
  cvReleaseImage(&img);
  cvDestroyWindow("原图");
  cvDestroyWindow("处理");

}