2014/10/15 下午 10:13:30

iphone Programming Glossary: roi

Cropping an image in iOS using OpenCV face detection

http://stackoverflow.com/questions/14756505/cropping-an-image-in-ios-using-opencv-face-detection

img self nil nil Am getting the correct co ordinates of faces i . But the problem is only with cropping and setting ROI. Can some one help me in solving it I tried with the below code also again am getting the same images. i.e. am not getting.. I also tried setting faceroi to detect eyes even that fails. To narrow down the issue the problem might be in setting ROI for the image Updated on 11 02 13 I have Done Cropping as below but ROI is not Set properly and the image is not cropped.. down the issue the problem might be in setting ROI for the image Updated on 11 02 13 I have Done Cropping as below but ROI is not Set properly and the image is not cropped well I found the issue for my above post thanks @Jameo to pointing me that..

Face Detection on iPhone using OpenCV and LBP

http://stackoverflow.com/questions/4921260/face-detection-on-iphone-using-opencv-and-lbp

CV_HAAR_FIND_BIGGEST_OBJECT cvSize 30 30 I have tried multiple optimization techniques including smart application of ROI and the use of integers rather than floats. Yet these changes have taken vast amounts of time and had only a minor benefit...