Graphics::TBitmap *YBmp = new Graphics::TBitmap();
Graphics::TBitmap *CbBmp = new Graphics::TBitmap();
Graphics::TBitmap *CrBmp = new Graphics::TBitmap();
 YBmp->Assign(Image1->Picture->Bitmap);
 CbBmp->Assign(Image1->Picture->Bitmap);
 CrBmp->Assign(Image1->Picture->Bitmap);
 for(int i=0;iHeight;i   )
 {
  ptr = (Byte *)Bmp->ScanLine[i];
  Yptr  = (Byte *)YBmp->ScanLine[i];
  Cbptr = (Byte *)CbBmp->ScanLine[i];
  Crptr = (Byte *)CrBmp->ScanLine[i];
  for(int j=0;jWidth; j  )
  {
   b=ptr[j*3];
   g=ptr[j*3 1];
   r=ptr[j*3 2];      y = 0.299*r 0.587*g 0.114*b;
  cr = 0.5*r-0.419*g-0.081*b 128;
  cb = -0.169*r-0.332*g 0.5*b 128;      Yptr[j*3]  =y;
  Yptr[j*3 1]=y;
  Yptr[j*3 2]=y;
  Cbptr[j*3]  =cb;
  Cbptr[j*3 1]=cb;
  Cbptr[j*3 2]=cb;
  Crptr[j*3]  =cr;
  Crptr[j*3 1]=cr;
  Crptr[j*3 2]=cr;
Image2->Picture->Assign(YBmp);
Image3->Picture->Assign(CbBmp);
Image4->Picture->Assign(CrBmp);
Image2->Show();
Image3->Show();
Image4->Show();
delete YBmp,CbBmp,CrBmp;
//-------------------------------------------------------------------
//紅色部分另外試用方式【把Cb&&Cr起來】
//Image5->Picture->Assign((*CrBmp)&&(*CbBmp)); <==不過這樣宣告有問題

 
if(cr==0&&cb==0&&y==0) //像似眼睛部分為白色
  {
y=255,cr=255,cb=255;
ptr[j*3]=y;
ptr[j*3 1]cr;
ptr[j*3 2]cb;
  }
else
  {
y=0,cr=0,cb=0;   //不是部份為黑色
ptr[j*3]=y;
ptr[j*3 1]cr;
ptr[j*3 2]cb;
  }

引言:請問前輩一般圖像可以分為R,G,B再把他轉成Y,Cb,Cr，如果只要呈現Cb與Cr合併的影像，不要有Y那要怎樣用呢?

  Cbptr[j*3]  =cb;
  Cbptr[j*3 1]=cb;
  Cbptr[j*3 2]=cb;      Crptr[j*3]  =cr;
  Crptr[j*3 1]=cr;
  Crptr[j*3 2]=cr;