cvRectangle(frame6, cvPoint(180,100), cvPoint(210,130), cvScalar(0,0,255), 2);\\\\\\螢幕矩形的長寬
for (int y=90; y<120; y++) \\\\\\偵測的範圍值
{
uchar* ptr2=(uchar*) (frame6->imageData +y*frame6->widthStep);
for (int x=170; x<200; x++)\\\\\\偵測的範圍值 {
//printf("%d %d %d\n", ptr2[3*x],ptr2[3*x+1], ptr2[3*x+2]);
refBlue+=ptr2[3*x];
refGreen+=ptr2[3*x+1];
refRed+=ptr2[3*x+2];
refCounter++;
//ptr2[3*x]=0; ptr2[3*x+1]=0; ptr2[3*x+2]=255;
}
}
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