学步园

<span style="font-size:14px;">#include <opencv\cv.h>
#include <opencv\highgui.h>
#include <stdio.h>

int main(int argc, char** argv){

    IplImage *src = 0, *dst = 0, *dst2 = 0;

    //归一化后的高斯核滤波器
    float k[9] = { 1.f/16, 2.f/16, 1.f/16,
                   2.f/16, 4.f/16, 2.f/16,
                   1.f/16, 2.f/16, 1.f/16};
    CvMat km;
    km = cvMat(3, 3, CV_32F, k);

    src = cvLoadImage("test.png", 0);
    dst = cvCloneImage(src);

    cvNamedWindow("src", 0);
    cvShowImage("src", src);

    cvNamedWindow("filtering", 0);
    cvFilter2D(src, dst, &km, cvPoint(-1, -1)); //对图像进行线性滤波
    cvShowImage("filtering", dst);
    cvWaitKey(0);

    cvReleaseImage(&src);
    cvReleaseImage(&dst);

}
</span>

运行结果截图：