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2015-08-14 23:19:07 -0600 | asked a question | K means question Hey everybody, I'm currently in the process of clustering a set of points into different sections. Though, the k means algorithm requires me to explicitly set the number of clusters to divide the set of points in. Is there an alternative algorithm, where I can pass in a set of points and a maximum distance, which divides point clusters from each other? What I would like to have returned is a list of clusters of yet unknown size, containing a sub-set of points. I would be very thankful for any directions. Thanks, Marcel |
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2014-04-02 04:46:40 -0600 | answered a question | Missing dlls on Windows 8.1 I've got the same issue on my machine. I'm using the Metaio framework, though. This is bollocks. |
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2013-12-13 16:17:31 -0600 | asked a question | MedianBlur GPU Hey everybody, I'm looking for a GPU accelerated version of the cv::medianBlur function. It doesn't seem to be documented( http://docs.opencv.org/modules/gpu/doc/image_filtering.html ), and I can't seem to find it in the library itself either. I'm just wondering, since it's not going to be the biggest problem to implement it with a custom kernel. Thanks in advance, Marcel |
2013-12-13 11:12:54 -0600 | commented question | define ROI around an object Why don't you give us a little more details about what you've got, otherwise I've got to simply tell you that you gotta implement it yourself. |
2013-12-13 11:08:56 -0600 | asked a question | cv::gpu::FarnebackOpticalFlow __report_gsfailure Hey everybody, I'm trying to use cv::gpu::FarnebackOpticalFlow, but I'm getting an error I don't know how to interpret: When I'm creating an object like I'm getting an error stating that I don't have a specific processor feature present. It's happening in the constructor of the FarnebackOpticalFlow class: Even more down the stack trace I'm ending up here: and this is where I fail to come up with a solution. Maybe somebody of you can give me a hint to solve this, since the CPU version of the Farneback flow is a little too slow for my needs. Thanks in advance. Yours, Marcel |
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2013-12-13 09:55:52 -0600 | commented question | Skipping frames in VideoCapture I'm using Win8 64bit with the standard cv::VideoCapture implementation ( not sure what you mean ) with opencv version 2.4.7 |
2013-12-13 09:52:46 -0600 | asked a question | Object tracking after dense optical flow calculation Hey everyody, I've come to the point that I've got a scene and the objects I would like to track are separated from its background and I'm calculating the optical flow of that image. Furthermore I would like to detect and track this object/blob, but I don't know what approach to choose to detect objects on top of the calculated flow. This is a small illustration of my problem: I'm not looking for a solution to my problem, just an approach to how I should continue. Thanks a lot for the help in advance. Yours, Marcel |
2013-11-28 14:49:36 -0600 | asked a question | Skipping frames in VideoCapture I'm doing some motion detection on a video and while doing the processing, it sometimes is handy to simply skip a couple of frames in order to have a bigger impact on the e.g. optical flow detection. Currently I'm simply loading frames in a loop like that: Though I'd much rather just skip a couple of frames instead of just loading more, because doing this ends up in a little performance problem. Cheers for the help. mrzl |
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2013-11-25 10:01:04 -0600 | commented answer | Optical flow Dual TV L1 working in realtime I'd be interested, too. |
2013-11-16 05:26:37 -0600 | commented answer | OpenCV 2.4.6 Build/link errors with CUDA and OpenGL Yeah eventually i figured it out- somehow. I decided to compile the 2.4.7. version from the github repo and compiled with the WITH_QT option DISABLED. I'm using Qt within VS12 via the Qt plugin now and it's going great. The version I sucessfully compiled is the one tagged 2.4.7. in Itseez's github repo ( not the very latest one ). I hope this helps. let me know if you need any more info. |
2013-11-16 05:23:44 -0600 | asked a question | Jumping to frames within a videofile with VideoReader_GPU Hey! I've got a videofile loaded via the VideoCapture class and everything is working fine. I can jump to specific frames via the .set( CV_CAP_PROP_POS_FRAMES, frameNr ) function. Though now I want to accomplish the same thing with the cv::gpu::VideoReader_GPU class. If anybody did this before I'd love to hear how. :-) I'm running Windows 8 with OpenCV 2.4.7. Thanks a lot in advance! Yours, mrzl |
2013-11-05 07:02:05 -0600 | answered a question | OpenCV 2.4.6 Build/link errors with CUDA and OpenGL Hey, I've got exactly the same problem. Everything compiles perfectly except from the highgui module. I've read that enabling WITH_QT in cmake might resolve the problem, but I'm getting tons of configuration errors I haven't resolved, yet, when I'm enabling QT. I'd love to hear from your progress if you managed to fix this somehow. Thanks! mrzl |