谁能给我10到13岁左右小男孩的JJ的图片，加Q_百度知道
谁能给我10到13岁左右小男孩的JJ的图片，加Q
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我加你给你吧
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原来是这样，感谢！
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出门在外也不愁两种方式，一种通过cvCvtColor，一种通过自己写的转换子函数
出来的bmp完全相同
#include &highgui.h&
#include &cv.h&
#include &stdio.h&
#define MR(Y,U,V) (Y + (1.403)*(V-128))
#define MG(Y,U,V) (Y - (0.344) * (U-128) - (0.714) * (V-128) )&
#define MB(Y,U,V) (Y + ((1.773) * (U-128)))
#define nWidth 1280
#define nHeight 720
#define nSize &nWidth*nHeight*3/2
#define FrameSize nWidth*nHeight*3/2
void YUV420_C_RGB (char* pYUV, unsigned char* pRGB, int height, int width)
& & char* pY = pYUV;
& & char* pU = pYUV + height*
& & char* pV = pU + (height*width / 4);
& & unsigned char* pBGR = NULL;
& & unsigned char R = 0;
& & unsigned char G = 0;
& & unsigned char B = 0;
& & char Y = 0;
& & char U = 0;
& & char V = 0;
& & double tmp = 0;
& & for (int i = 0; i & ++i)
& & & & for (int j = 0; j & ++j)
& & & & & & pBGR = pRGB + i*width * 3 + j * 3;
& & & & & & Y = *(pY + i*width + j);
& & & & & & U = *pU;
& & & & & & V = *pV;
& & & & & & //B &
& & & & & & tmp = MB (Y, U, V);
& & & & & & //B = (tmp & 255) ? 255 : (char) &
& & & & & & //B = (B&0) ? 0 : B; &
& & & & & & B = (unsigned char)
& & & & & & //G &
& & & & & & tmp = MG (Y, U, V);
& & & & & & //G = (tmp & 255) ? 255 : (char) &
& & & & & & // G = (G&0) ? 0 : G; &
& & & & & & G = (unsigned char)
& & & & & & //R &
& & & & & & tmp = MR (Y, U, V);
& & & & & & //R = (tmp & 255) ? 255 : (char) &
& & & & & & //R = (R&0) ? 0 : R; &
& & & & & & R = (unsigned char)
& & & & & & *pBGR = R;
& & & & & & *(pBGR + 1) = G;
& & & & & & *(pBGR + 2) = B;
& & & & & & if (i % 2 == 0 && j % 2 == 0)
& & & & & & {
& & & & & & & & *pU++;
& & & & & & & & //*pV++; &
& & & & & & }
& & & & & & else
& & & & & & {
& & & & & & & & if (j % 2 == 0)
& & & & & & & & {
& & & & & & & & & & *pV++;
& & & & & & & & }
& & & & & & }
int main (int argc, char* argv [])
& & FILE *f;
& & if (!(f = fopen (&i:\\in_to_tree_420_720p50.yuv&, &rb&)))
& & & & printf (&file open error!&);
& & // calculate the frame num
& & fseek (f, 0, SEEK_END);
& & int frame_count = 0;
& & long file_size = 0;
& & frame_count = (int) ((int) ftell (f) / ((nWidth * nHeight * 3) / 2)); &// ftell 用于求文件大小
& & printf (&frame num is %d \n&, frame_count);
& & printf (&file length is & %d&, ftell (f));
& & fseek (f, 0, SEEK_SET);//文件内位置定位到文件头
& & IplImage *rgbimg = cvCreateImage (cvSize (nWidth, nHeight), IPL_DEPTH_8U, 3);
& & IplImage *image = cvCreateImage (cvSize (nWidth, nHeight), IPL_DEPTH_8U, 3);
& & IplImage *yimg = cvCreateImage (cvSize (nWidth, nHeight), IPL_DEPTH_8U, 1);
& & IplImage *uimg = cvCreateImageHeader (cvSize (nWidth / 2, nHeight / 2), IPL_DEPTH_8U, 1);
& & IplImage *vimg = cvCreateImageHeader (cvSize (nWidth / 2, nHeight / 2), IPL_DEPTH_8U, 1);
& & IplImage *uuimg = cvCreateImage (cvSize (nWidth, nHeight), IPL_DEPTH_8U, 1);
& & IplImage *vvimg = cvCreateImage (cvSize (nWidth, nHeight), IPL_DEPTH_8U, 1);
& & //----------------------------------------------------------------------读取yuv文件的y部分 类似于播放器效果&
& & char *pBuf = new char[nWidth*nHeight * 3 / 2];
& & int pos = 0;
& & // & & for (int i = 0; i & frame_count - 1; i++)
& & // & & {
& & int i = 1;
& & printf (&frame &%d/%d\n&, i, frame_count);
& & fseek (f, pos, SEEK_SET);
& & fread (pBuf, 1, FrameSize, f);
& & cvSetData (yimg, pBuf, nWidth);
& & cvSetData (vimg, pBuf + nWidth * nHeight, nWidth / 2);
& & cvSetData (uimg, pBuf + long (nWidth * nHeight * 1.25), nWidth / 2);
& & cvResize (uimg, uuimg, CV_INTER_NN);
& & cvResize (vimg, vvimg, CV_INTER_NN);
& & cvMerge (yimg, vvimg, uuimg, NULL, image); & & & & & & & & & & & & &//yuv输入 但是420 iyuv 是yvu
& & cvCvtColor (image, rgbimg, CV_YCrCb2RGB);
& & cvNamedWindow (&RGB&);
& & cvShowImage (&RGB&, rgbimg);
& & cvSaveImage (&m:\\RGB.bmp&, rgbimg);
& & cvWaitKey (10);
& & pos += FrameS
& & // & &}
& & cvDestroyWindow (&RGB&);
& & unsigned char* pRGB = NULL;
& & pRGB = (unsigned char*) malloc (nSize*sizeof (unsigned char*) * 2);
& & YUV420_C_RGB (pBuf, pRGB, nWidth, nHeight);
& & IplImage *
& & img = cvCreateImageHeader (cvSize (nWidth, nHeight), IPL_DEPTH_8U, 3);
& & cvSetData (img, pRGB, nWidth * 3);
& & cvSaveImage (&m:\\rgb-1.bmp&, rgbimg);
& & //cvReleaseImage (&yimg);
& & delete []pB
& & fclose (f);
& & return 0;
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