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| 2013-05-30 21:18:54 -0600 | commented answer | How to specify mask for grabCut in C++ If I use your example as Range(0,5), the image is segmented properly but if I use the rectOuter I get a blank image: // image size is 968 x 800 Rect rectInner(397,657, 75, 78); Rect rectOuter(301,558,269,303); cv::Mat1b fg_seed = markers(rectInner); fg_seed.setTo(cv::GC_FGD); cv::Mat1b bg_seed = markers(cv::Range(rectOuter.x,rectOuter.x+rectOuter.width), cv::Range(rectOuter.y, rectOuter.y+rectOuter.height); bg_seed.setTo(cv::GC_BGD); |
| 2013-05-30 17:03:20 -0600 | commented answer | How to specify mask for grabCut in C++ This has help a great deal but fg_seed and bg_seed doesn't appear to get used anywhere. They get set from markers but markers itself doesn't get any settings. |
| 2013-05-30 14:10:22 -0600 | asked a question | How to specify mask for grabCut in C++ I'm just starting with opencv and can't find any samples. I would like to use GC_INIT_WITH_MASK, how do you specify the mask to grabCut if I have two rectangles: outer and inner. cv::Rect outer = values cv::Rect inner = values for inner rectangle sits inside outer rectangle cv::Mat mask = ?? Thanks in advance, Tom |