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2015-12-21 04:23:34 -0600 | commented answer | not rect ROI defined by 4 points This solution works fine, but I have to store points after convexhull in a different vector. Adding: Before and after convexhull i have: A 300 - 50 B 300 - 20 C 150 - 300 D 200 - 300 A 300 - 50 B 200 - 300 C 150 - 300 D 200 - 300 And the point (300,20) disappear. With: It all works fine! Thank you |
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2015-12-21 02:54:10 -0600 | commented answer | not rect ROI defined by 4 points I don't need the number of pixel of one color. The image is thresholded and is black and white. I need to know how many white pixel there are only in the ROI, non in the complete image. |
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2015-12-20 12:56:24 -0600 | asked a question | not rect ROI defined by 4 points Hi, I would use the method countNonZero (InputArray src) on a ROI of my image; The ROI is not a rect, but it's defined by the points A, B, C, D like the red zone in the figure. How can I use this method on this ROI? |
2015-11-11 12:45:27 -0600 | received badge | ● Enthusiast |
2015-11-09 09:37:22 -0600 | commented question | ear classifier for frontal face I didn't do it! |
2015-11-09 09:29:39 -0600 | received badge | ● Scholar (source) |
2015-11-09 06:06:57 -0600 | asked a question | BackgroundSubtractorMOG2 set parameters Hi, i'm trying to use the class BackgroundSubtracorMOG2 with Opencv 3.0. After: I want to set some parameters like: But it tells me:
Same with the operator "->" instead of "." Do you know how to set parameters of this class? |
2015-01-26 10:48:52 -0600 | asked a question | ear classifier for frontal face Hi all, I need an ears detector from frontal face image. haarcascade_mcs_leftear.xml in openCV/data/haarcascade works only with profile image and not with frontal faces. Do you know how can I solve this problem? Thanks Giuseppe |