opencv-3.0.0 Running the cpp-example-stitching_detailed example
downloaded and installed opencv-3.0.0. i'm just starting out with opencv and i wanted to run the ./cpp-example-stitching_detailed executable that was built in the bin subdirectory inside my cmake build...
View Articlei need neuro fuzzy character recognition matlab code
matlab code with feature extraction
View ArticleFace Recognition in Low Resolution Face Images
I am trying to recognize the person face when the detected face is 22 cross 22 and i am re-scaling all the detected face image to 88 cross 83. The face images gets blurred. Please anyone help how to...
View ArticleSaving displayed image with CTRL+S
recently i have noticed that we can save images from highgui window by pressing CTRL+S ( Afaik it is only for windows platform ). when CTRL+S pressed a save dialog appears and you can choose the format...
View ArticleReliable color detection in difference lightings.
I am working on a project where I need to detect color of a particular region of the object. While It's very easy to get RGB value from the frame of a particular object. Results fluctuate a lot when...
View ArticlePossibility on defect detection.
Hello, I'm working on a project where I need to find minor defects and report if it is defected. Here are pictures of good and bad samples. Please note that these images are a result of post...
View Articlehow to overlay shapes in shape context/hausdorff matching.
Im using both the shape context and hausdorff distance algorithms to extract the distance between two matrices, but I want to visualize the match results. Is there any way I can overlay the matched...
View ArticleSetting CV_CAP_PROP_POS_FRAMES fails when reading image sequence
Hello, I'm using version 3.0.0-rc1 and reading frames of a video through image files using VideoCapture. When I don't set CV_CAP_PROP_POS_FRAMES property, it works fine. However, when I enter any frame...
View Articleopencv_contrib + opencv 3 using xfeature::SURF unexpeted handle 0xc0000005
I am working in the VS2013 with C++. Every time I call the function xfeature::SURF::create(), I will get crush.  #include #include #include int...
View Articledifference between blur and dilate
can anyone please explain the difference between blur and dilate ? mathematical as well as layman explanation would be really nice
View ArticlePossible memory leak in cvtColor with TBB support
Dear all, I'm running some tests with cvtColor and valgrind reports a memory leak. Some information about the environment: $ lsb_release -a No LSB modules are available. Distributor ID: Ubuntu...
View Articleconversion of logPolar in newer C++ API
As part of some software I am building I am translating an old Python interface to the new C++ interface. It contains a line of code like this cv.LogPolar(image,imgRes,c,60.0,...
View ArticleWindows imshow sometimes showing gray image
I have done a bit of research on this topic, apparently Windows OpenCV builds might have an error using imshow. This problem varies a bit but the result is a gray image instead of the correct RGB...
View ArticleHow to connect the camera using OpenCV3 on WindowsPhone 8.1?
Hello! Tell me how to configure the project in Visual Studio 2013 that uses the front camera and captures the image on my phone with Windows Phone 8.1. I wrote the OpenCV logic in C++, and UI...
View ArticleBiggest openCV pain points
I've been spending a lot of time looking through OpenCV and other computer vision frameworks. It seems to me that there are a couple of areas where OpenCV could use some improvement: - Install (seems...
View ArticleVideoCapture android 3.0.0
Hi, I've found CV_CAP_ANDROID is marked as 'unused' but anyway, I've tried new VideoCapture(CV_CAP_ANDROID), tried new VidoCapture() tried capture->open(CV_CAP_ANY) and I always get ->isOpened()...
View ArticleOpenCV Manager 3
I just tried the Face Detection sample app, and when it tries to download the libraries I have observed 2 issues: - The download dialog is forced to landscape. I was holding my phone in portrait, no...
View Articlerunning the stitching_detailed example throws an exception
I have installed OpenCV-3.0.0 and configured with BUILD_EXTRA_MODULES to enable access to the SIFT and SURF algorithms. When i then proceed to execute the ./cpp-example-stitching_detailed...
View Articlememory leaks when using ocl_bilateralFilter_8u opencv3.0
Hi, The bilateralFilter is used in the video image processing, and after a period of time, a dump happens. That's memory Free or Allocator breakpoint. The call stack reports the location is in...
View Articleerror: 'COLORMAP_JET' was not declared in this scope
I encountered the following error while trying to display a JET Colormap for my image: applyColorMap(src(cv::Range(0, bitmapInfo.height), cv::Range(0, bitmapInfo.width)), output, COLORMAP_JET); Error:...
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