拉普拉斯算子图像锐化

#include <cv.h>
#include <highgui.h>
void main()
{
IplImage *frame,*gray,*Laplace;
frame=cvLoadImage("Lena5.jpg");//加载图像
gray=cvCreateImage(cvGetSize(frame),frame->depth,1);//分配图像空间
Laplace=cvCreateImage(cvGetSize(frame),IPL_DEPTH_16S,1);
cvNamedWindow("frame");
cvNamedWindow("gray");
cvNamedWindow("Laplace");
cvCvtColor(frame,gray,CV_BGR2GRAY);//转为灰度
//cvLaplace(gray,Laplace,0,1,3);
 cvLaplace(gray,Laplace,1);
IplImage *Laplace8u=cvCreateImage(cvGetSize(Laplace),IPL_DEPTH_8U,1);
cvConvertScaleAbs(Laplace,Laplace8u,1,0);
cvShowImage("frame",frame);//显示图像
cvShowImage("gray",gray);
cvShowImage("Laplace",Laplace8u);
cvWaitKey(0);//等待
cvReleaseImage(&frame);//释放空间（对视频处理很重要，不释放会造成内存泄露）
cvReleaseImage(&gray);
cvReleaseImage(&Laplace);
cvDestroyWindow("frame");
cvDestroyWindow("gray");
cvDestroyWindow("Laplace");
}