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2014-03-21 14:54:59 -0600	commented question	Why do I get a repeated image in a single frame and how do I solve it? You need add the next line after adquire the frame: cvtColor(frame, frameGray, CV_BGR2GRAY); where frameGray is other Mat. it convert the RGB image to GrayScale image.
2014-03-18 16:16:17 -0600	commented question	Why do I get a repeated image in a single frame and how do I solve it? I had the same problem. When your camera capture in Monochrome and you configure the Mat that receive the Frame in RGB mode the other two channels are copied with the same data of the first. You could post the routine of frame acquisicion.
2014-03-11 10:34:18 -0600	commented question	multiple ocurrence in image rotation invariant I have thought to use sliding roi of size of max(template.width, template.height) and apply SIFT/SURF and each iteration (similar to matchingTemplate but with SIFT/SURF), but it is very slow and probably don't work because the size of roi is ever the same.
2014-03-11 10:29:23 -0600	commented question	multiple ocurrence in image rotation invariant I am a new user and the forum don't permit answering my own question before of two days. But I try explain the matching image. The keypoints in the template are associated with some keypoints of the image, but the set of keypoints of template are spliting in all matching in the image and if the number of matching is high in some matching don't exist some association.
2014-03-10 16:57:01 -0600	asked a question	multiple ocurrence in image rotation invariant Hi, I have various template images and one big image with multiple ocurrence of each template in it, but are rotated. I have tried with SIFT and SURF but only work with one ocurrence of each template and matchTemplate is not rotation invariant. Please, could you give me any suggestions? Thanks.