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2013-06-29 17:29:05 -0600 | answered a question | Program crashes during findContours() execution You should check your Contour idx number. Try replace with zero ? |
2013-06-27 06:27:14 -0600 | asked a question | Opencv Contour Error I want to find contours of my image then I want to draw contour using openCV. I'm using VS 2012 and OpenCV 2.4.5 I wrote sample code about finding contours and drawing contours. Bu I stacked that horrible error :) For any help I will be appreciated My threshold and other necessary function works very well. But My program stacked at finding contour and drawcontour function. Says that: |
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2013-01-24 20:57:36 -0600 | answered a question | opencv cannot access my webcam Thanks for repling Alexander Smorkalov but i found solution. Actualy, I could not install properly, I solved my problem few minutes ago. And I decided share my solution for people who handling similar error. First I didnt install some of below packets ( I dont remember which of them, so I paste all of them) libjpeg62-dev libtiff4-dev zlib1g-dev libjasper-dev libavcodec-dev libdc1394-22-dev libgstreamer0.10-dev libgstreamer-plugins-base0.10-dev libavformat-dev libv4l-dev libswscale-dev Then You should configure your cmake process with this code cmake -D CMAKE_BULD_TYPE=RELEASE -D CMAKE_INSTALL_PREFIX=/usr/local -D BUILD_PYTHON_SUPPORT=ON USE_V4L=ON WITH_TBB=ON -D BUILD_NEW_PYTHON_SUPPORT=ON USE_GStreamer=ON .. Please notice USE_V4L=ON this code.. I hope you solve after reading my solution. |
2013-01-20 05:59:23 -0600 | asked a question | opencv cannot access my webcam Hi Everyone, I have trouble with accesing webcam using opencv 2.4.3. I googled almost everywhere but i can not solve my problem. My System: Hp Probook 4530s - HP Fixed HD Webcam Ubuntu 12.10 OpenCV 2.4.3 İf I want to capture my built-in camera i get ERROR: capture is NULL I'm using http://opencv.willowgarage.com/wiki/CameraCapture sample code. I also tried with xawtv -hwscan using typing terminal. I get this output: then I can acces my webcam typing xawtv video0. I think I have no trouble with my webcam. I have trouble with opencv. Please Help Me! Because capturing webcam issue is important and urgent. Any Help I will be appreciated |
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