彩色图像转灰度图像的cuda源代码

#include <highgui.h> #include <cv.h> #include <cxcore.h> #include <cvaux.h> #include <cuda_runtime.h> #include "color2gray_cuda.h" #define VIDEO_PATH "E:\\ADSB_tes_processedt.avi" int main() { CvCapture *pCapture; pCapture = cvCaptureFromAVI(VIDEO_PATH); IplImage *pCurImage = cvQueryFrame(pCapture); int iWidth = pCurImage->width; int iHeight = pCurImage->height; IplImage *pGrayImage = cvCreateImage(cvSize(iWidth, iHeight), IPL_DEPTH_8U, 1); cvNamedWindow("Original Image", CV_WINDOW_AUTOSIZE); cvNamedWindow("Gray Image", CV_WINDOW_AUTOSIZE); int key = -1; InitCuda(); unsigned int hTimer; double totalTime = 0; DWORD frameCount = 0; while (key != 'q') { frameCount++; StartTimer(&hTimer); pCurImage = cvQueryFrame(pCapture); caacColor2Gray(pCurImage, pGrayImage); double gpuTime = StopTimer(hTimer); totalTime += gpuTime; pCurImage->origin = 1; cvShowImage("Original Image", pCurImage); pGrayImage->origin = 1; cvShowImage("Gray Image", pGrayImage); key = cvWaitKey(4); } printf("frameCount = %d, averageTime = %.2f ms/frame, %.2f FPS \n", frameCount, totalTime/(float)frameCount, (float)1000*frameCount/totalTime); cvReleaseCapture(&pCapture); cvReleaseImage(&pGrayImage); cvDestroyWindow("Original Image"); cvDestroyWindow("Gray Image"); caacColor2GrayRelease(); return 0; }