Feature Matching Large images
Hello everyone! I have a little problem with the feature matching. I'm using [this method](http://docs.opencv.org/2.4/doc/tutorials/features2d/feature_flann_matcher/feature_flann_matcher.html) with...
View ArticleCalculating the distance between two points
How do i calculate the distance between two points in java/ opencv Point point1 = new Point(10,10); Point point2= new Point(56, 35); line(image, point1, point2, new Scalar(100, 100, 100));
View Article'MODE_SGBM_3WAY' is not a member of 'cv::StereoSGBM'
Dear friends for calculate the volume, I used the stereo_match.cpp file that available in OpenCV3.1.0 (opencv3.1.0 / sampels / cpp/stereo_match.cpp).I wrote the program entries as follows: std::string...
View Articlestop recording of IP camera stream after x minutes
Hi, I am pretty much new to opencv and I am trying my hands in using it for one of my IP camera video recording projects. My question is how to stop or end the camera recording or showing the preview...
View ArticleMSVS 2012 Build error for opencv-300.jar
I am trying to build OpenCV with cmake and MSBuild following the tutorial to build the java wrapper. I have tried to get this wrapper to build for 3 days now with no success. Does anyone know what I...
View ArticleWhere is RTrees::get_proximity in version 3.* ?
Hi, where is function RTrees::get_proximity from Machine Learning Package in new version 3.*? It was in v2.4 http://docs.opencv.org/2.4/modules/ml/doc/random_trees.html No present in v3.*:...
View Articlefirst-chance and unhandled exception errors
I recently switch opencv 2.4 to 3.1.0 version after since I am getting so many errors. So far I handled many of them but still there are so many. Now, my code does not work when I try to run with...
View ArticleKalman filter 3D
I want to implement the kalman filter for a moving object in r3 (X,Y,Z-coordinate). I tried to understand the [OpenCV documentation][1] but this is really not helpful and very rare. The syntax for the...
View ArticleCompute moments after connected component labeling
Hi, I'm trying to compute the moments of the pixels found in a connected component of a gray scale image. I have in a matrix `cv::Mat contMat` a gray scale image. After thresholding it to another...
View ArticleCreating independent exe file
Hello, I created an openCV exe using CLR/C++ using VS2013. It works fine on pcs with VS 2013 (even downloading the redistributable package wasn't enough to get the exe to work). I want it to work on...
View ArticleHow to to find the Gaussian Weighted-Average and Std Deviation of a...
Hello everyone. I'm trying to implement an Intensity Normalization algorithm that is described by this formula: x' = (x - gaussian_weighted_average) / std_deviation The paper I'm following describes...
View Articlefilter2D implementation details
Hello, Is it possible to have a more detailed description of the implementation of the filter2D() function? Browsing and checking the source code I understood that in general it does the following: if...
View ArticleHow to build GPU/CUDA on MSVS 2015?
I am trying to build OpenCV 3.1 using MSVS 2015 with CMake. It attempts to build, but the NVIDIA compiler fails because it says that it only supports VS2008, VS2010, and VS2013. Obviously, it can be...
View ArticleWhat You Need To Find Out About Expert Upholstery Cleaning
If you've been considering phoning an experienced upholstery cleaning assistance, read on. This article will illustrate above any doubt what a great choice that will be. Pros attain incredible results...
View ArticleOpenGL Sample Program throws error on Debug only (OpenCV3)
Hi all, First off, this is a duplicate of this question: http://answers.opencv.org/question/31920/opencv-error-opengl-api-call-cvoglarraysbind/ I'm in basically the same situation as those two;...
View ArticleSamsung blijft Galaxy S6 teasen in aanloop naar release|Gigabyte presenteert...
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View Articlemorphologyex function in cuda opencv3.0
I am working in an opencv project which usese the morphologyex function. Now I am trying to do it with gpu support. When I compile the opencv 3.0 with cuda 7.5 support, it accepts most of the...
View Articlehow to convert cv::mat to all types of bitmab..
cv::Mat m Gdiplus::Bitmap bitmap1(m.cols,m.rows,m.step1(), PixelFormat24bppRGB,m.data); but most of the time function failed. please help me .
View ArticleHow to store and load train data of KNearest with Java API
I use the java impl of opencv 3.1.0 on windows. I use KNearest with my sample image to train. After training i like to store the train result. But always i get a exception on the knearest.save() call:...
View ArticleCAP_PROP_FRAME_WIDTH not member of cv
how to resove the error of error: ‘CAP_PROP_FRAME_WIDTH’ is not a member of ‘cv’ mCap.set(cv::CAP_PROP_FRAME_WIDTH, 640);
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