基于Sobel-Laplace-Canny三合一的代码资源

#include "cv.h" #include "cxcore.h" #include "highgui.h" #include <opencv2/opencv.hpp> void main() { IplImage * pImage = NULL; IplImage * pImage8uGray = NULL; IplImage * pImage8uSmooth = NULL; IplImage * pImage16uGraySobel = NULL; IplImage * pImage8uGraySobelShow = NULL; //-------------- IplImage * pImagePlanes[3] = { NULL, NULL, NULL }; IplImage * pImage16uColorSobel = NULL; IplImage * pImage8uColorSobelShow = NULL; //-------------- IplImage * pImage16uGrayLaplace = NULL; IplImage * pImage8uGrayLaplaceShow = NULL; //-------------- IplImage * pImage8uGrayCanny = NULL; //==================灰度图像Sobel变换===================== pImage = cvLoadImage("D:/lena.jpg", -1); pImage8uGray = cvCreateImage(cvGetSize(pImage), IPL_DEPTH_8U, 1); pImage8uSmooth = cvCreateImage(cvGetSize(pImage), IPL_DEPTH_8U, 1); pImage8uGraySobelShow = cvCreateImage(cvGetSize(pImage), IPL_DEPTH_8U, 1); //转灰度 cvCvtColor(pImage, pImage8uGray, CV_BGR2GRAY); //高斯滤波 cvSmooth(pImage8uGray, pImage8uSmooth, CV_GAUSSIAN, 3, 0, 0); //cvSobel要求目标图像必须是IPL_DEPTH_16S pImage16uGraySobel = cvCreateImage(cvGetSize(pImage), IPL_DEPTH_16S, 1); //计算一阶x方向的差分,也可以计算一阶y方向 cvSobel(pImage8uSmooth, pImage16uGraySobel, 0, 1, 3); //再把格式转回来,用于显示 cvConvertScaleAbs(pImage16uGraySobel, pImage8uGraySobelShow, 1, 0); cvNamedWindow("灰度图像Sobel变换", CV_WINDOW_AUTOSIZE); cvShowImage("灰度图像Sobel变换", pImage8uGraySobelShow); /* //==================彩色图像Sobel变换===================== int i; for (i = 0; i<3; i++) { pImagePlanes[i] = cvCreateImage(cvGetSize(pImage), IPL_DEPTH_8U, 1); } pImage16uColorSobel = cvCreateImage(cvGetSize(pImage), IPL_DEPTH_16S, 1); pImage8uColorSobelShow = cvCreateImage(cvGetSize(pImage), IPL_DEPTH_8U, 3); //分成3个单通道 cvSplit(pImage, pImagePlanes[0], pImagePlanes[1], pImagePlanes[2], NULL); for (i = 0; i<3; i++) { cvSobel(pImagePlanes[i], pImage16uColorSobel, 0, 1, 3); cvConvertScaleAbs(pImage16uColorSobel, pImagePlanes[i], 1, 0); } cvSplit(pImagePlanes[0], pImagePlanes[1], pImagePlanes[2], NULL, pImage8uColorSobelShow); cvNamedWindow("彩色图像Sobel变换", CV_WINDOW_AUTOSIZE); cvShowImage("彩色图像Sobel变换", pImage8uColorSobelShow); */ //==================灰度图像Laplace变换===================== pImage16uGrayLaplace = cvCreateImage(cvGetSize(pImage), IPL_DEPTH_16S, 1); pImage8uGrayLaplaceShow = cvCreateImage(cvGetSize(pImage), IPL_DEPTH_8U, 1); cvLaplace(pImage8uSmooth, pImage16uGrayLaplace, 3); cvConvertScaleAbs(pImage16uGrayLaplace, pImage8uGrayLaplaceShow, 1, 0); cvNamedWindow("灰度图像Laplace变换", CV_WINDOW_AUTOSIZE); cvShowImage("灰度图像Laplace变换", pImage8uGrayLaplaceShow); //==================灰度图像Canny变换===================== pImage8uGrayCanny = cvCreateImage(cvGetSize(pImage), IPL_DEPTH_8U, 1); cvCanny(pImage8uSmooth, pImage8uGrayCanny, 100, 200, 3); cvNamedWindow("灰度图像Canny变换", CV_WINDOW_AUTOSIZE); cvShowImage("灰度图像Canny变换", pImage8uGrayCanny); //保存图片 cvSaveImage("d:/Program Files (x86)/opencv/MyProject/Sobel-Laplace-Canny/lena_sobel灰度图.jpg", pImage8uGraySobelShow); cvSaveImage("d:/Program Files (x86)/opencv/MyProject/Sobel-Laplace-Canny/lena_Laplace边缘图.jpg", pImage8uGrayLaplaceShow); cvSaveImage("d:/Program Files (x86)/opencv/MyProject/Sobel-Laplace-Canny/lena_canny边缘图.jpg", pImage8uGrayCanny); cvWaitKey(0); cvDestroyWindow("灰度图像Sobel变换"); cvDestroyWindow("彩色图像Sobel变换"); cvDestroyWindow("灰度图像Laplace变换"); cvReleaseImage(&pImage); cvReleaseImage(&pImage8uGray); cvReleaseImage(&pImage8uSmooth); cvReleaseImage(&pImage16uGraySobel); cvReleaseImage(&pImage8uGraySobelShow); cvReleaseImage(&pImage16uColorSobel); cvReleaseImage(&pImage8uColorSobelShow); cvReleaseImage(&pImagePlanes[0]); cvReleaseImage(&pImagePlanes[1]); cvReleaseImage(&pImagePlanes[2]); cvReleaseImage(&pImage16uGrayLaplace); cvReleaseImage(&pImage8uGrayLaplaceShow); }