YUV422转灰度图数组转opencv Mat

灰度图数组转opencv Mat"/>

YUV422转灰度图数组转opencv Mat

           // YUV422转灰度图int grayBytes = videoIn->width * videoIn->height;unsigned char* grayBuf = new unsigned char [grayBytes];for (int i = 0; i < grayBytes; ++i){grayBuf[i] = videoIn->framebuffer[i * 2];}// 灰度图转Matint myw = videoIn->width;int myh = videoIn->height;Mat temp = Mat(myh, myw, CV_8U, Scalar::all(0));// 循环赋值for (int i = 0; i < myh; i++) {for (int j = 0; j < myw; j++) {temp.at<uchar>(i, j) = *(grayBuf + j + width * i);}}imwrite("abc.bmp", temp);delete [] grayBuf;