How to uninstall OpenCV (Python)
I have problem in uninstalling OpenCV. I have installed OpenCV 3 using the tutorial from [here](http://www.pyimagesearch.com/2015/06/15/install-opencv-3-0-and-python-2-7-on-osx/). I am installing it...
View ArticleHow to detect colored rectangle from image in android?
hello all, i want detect specific colored rectangle from paper sheet which indicate border of paper.so i want detect that rectangle and crop it so i can do further operation on sheet. i tried this...
View ArticleI have problem HELP!!
C:\Users\ToPRaK\Documents\Visual Studio 2010\Projects\YeterArtik\Debug>OKT.exe "C:\Users\ToPRaK\Documents\Visual Studio 2010\Projects\YeterArtik\6.JPG" libpng warning: Image width is zero in IHDR...
View ArticleHow can I fit and then overlay 2 images which have different resolution ?
One represents has a mesh, which is supposed to overlay the Layer1 . I didn't find how can I do this using the opencv. I know that is possible change image resolution, however, I don't know how to fit...
View ArticleHOG detectmultiscale weight scale explanation
Hello all, I'm currently working with the HOG detector in OpenCV and it returns fairly good results. I only have one question, the `detectmultiscale` function sets the weights for each detection ROI....
View Articlemeanshift termination criteria
I'm wondering if someone could give an explanation of the epsilon value passed as part of the meanshift termination criteria. I've read the documentation of course, and searched around, but am still...
View ArticleProblems with traincascade - OpenCV 2.4.9
Hi, I use OSX 10.11. I'm new to opencv and I'm trying to train a simple (and surely weak) cascade classifier to detect an object. I have already read several answers, posts, guide, docs and tutorials...
View ArticleCreate only the opencv 3.1 and contrib
I am a beginner and would like to create a .so (shared lib) the opencv 3.1 and contrib (to use surf) on android. I own the android studio 2.2 and Windows 8.1. I can not find a good post to follow him...
View Articleopencv_dep_cudart.lib problem with CMake in OpenCV 2.4.13
Hi, There seems to be a bizarre dependency included when I use CMake to include OpenCV in a Windows VS 11 project. CMake includes a dependency: opencv_dep_cudart.lib This library doesn't seem to be...
View ArticleGaussian Filters with ORB
Hello All, I am a student and currently doing my project in the field of Image recognition using Feature Point detectors and descriptors. I have no prior knowledge on the topics of Image recognition...
View ArticleHow can I increase brightness a image region ?
 How can I increase brightness red color region in the image ?
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View Articleopencv3.1+cuda stereo match | gray window?
I use cv::cuda::StereoBeliefPropagation or cv::cuda::StereoConstantSpaceBP to test like opencv stereo sample, but the result is a gray window. I don't know how to get the correct disp image by BP or...
View ArticleHow to chose a meaningful patch?
I'm really new in image processing, so please sorry I'm a newbie. I tried to use the [squares.cpp][1] for detecting posters (since they usually are rectangles) **without using expensive feature...
View ArticleAny code examples in C++ for outdoor object detection using Neuronal Network...
Hi I was wondering if any code example in C++ of implementation of outdoor object (vehicle or aircraft door) detection/recognition using Neuronal Network or pattern recognition? I read couple of...
View Articlecan videowriter preserve alpha?
Hi, I am trying to save the output of an OpenGL FBO as video. Any format would be fine. I tried codecs that I know to support the alpha channel, i.e. Lagarith and also uncompressed. However, the video...
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View ArticleAndroid svm implementation error
I tried to implement svm in my android application but when i run my application i get errors. // Creating Training Data Mat trainData = new Mat(); Mat train_labels = new Mat(); for (int i = 0; i...
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