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[OpenCV] Copy SubImage from IplImage using ROI

/ Published in: C++
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  1. void getSubImg(IplImage* img, IplImage* subImg, CvRect roiRect) {
  2.  
  3. 	cvSetImageROI(img, roiRect);
  4. 	subImg = cvCreateImage(cvGetSize(img), img->depth, img->nChannels);
  5. 	cvCopy(img, subImg, NULL);
  6. 	cvResetImageROI(img);
  7.  
  8. }

URL: http://nashruddin.com/OpenCV_Region_of_Interest_(ROI)

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