I cannot recover my account
I forgot my password and I get no recovery email, nothing in spam or anywhere else. How can I recover my old account?
View ArticleNo question - Forum abusive user lowering karma on purpose
I think the image is self explanatory:  Interesting how every and each of my questions in the forum is suddenly receiving downvotes in the past few...
View ArticleConflict of type size_t between OpenCV and OpenCL
Hi, in an OpenCL project (main file name is convolutionImg.cpp), i want to use OpenCV for displaying images.  But i have a conflict and i don't know...
View ArticleInformative websites related to OpenCV
i think it will be useful if we add links of informative websites related to OpenCV here. Lets create a list together. - [Nullege is a search engine for Python source...
View ArticleHow to contribute an optimised LineSegmentDetector Algorithm?
Hello, colleagues of mine implemented had developed this optimised LSD i an seperate project and we want to contribute an this version of the LineSegmentDetector algorithm back to the community. I'm in...
View ArticleUsing thrust with cv::cuda::GpuMat
I just struggled with this for a bit so I wanted to post it somewhere where it may be helpful for someone else. This function can be used for creating a thrust iterator that correctly indexes a...
View ArticleHough circle for pupil detection
Hi I'm trying to detect eye pupil by : 1. process the frame with VideoCapture function 2. Convert it into Gray Scale Image. 3. Find Canny Edges using cv2.Canny() function 4. Apply HoughCircles...
View Articlemaking effective pull requests
I've been using OpenCV over the past 3+ years. I've been an enthusiastic user, now trying to be a contributor to the project. I'm also an newbie on Git. I know how to clone, fork, commit, push code to...
View ArticleOpenCV 3.0 won't compile with FFMPEG support?
I would like to use the ffmpeg library so I have video support with my OpenCV 3.0 build. I'm using the excellent step-by-step instructions from the book Practical OpenCV by Samarth Brahmbhatt...
View ArticleWhich color matching functions does OpenCV use for its RGB/BGR color space?
I'm using OpenCV 3.0, but my question should be version agnostic. I'm wondering which of [the many](https://en.wikipedia.org/wiki/RGB_color_space#Specifications) RGB color space OpenCV uses by...
View ArticleHow to create 3d button
Hi, How to create 3d button from rectangle? My goal is to have a function with output similar to: http://www.imagemagick.org/Usage/advanced/#3d-logos Could you send me any ideas how to do it in OpenCV?...
View ArticleLibrary importing error
Version: Eclipse: Luna CDT: 8.5 WinGW: 4.8 OpenCV: 3 The following shows the Librariy config:  the error information is: > Recognised but unhandled...
View ArticlecvCvtColor nv12 from V4l buffer
Hi people i have a problem when i try con conver nv12 buffer to BGR and write to jpeg. This is the code void* detect(void * ptr_data) { LOGI("enter to detect"); CvMat cvmat; CvMat cvMatConverted;...
View Articlestd::pow Problem
Hi In this code I'm trying to detect eye pupil but there is an error I would be grateful if you help me Error : 1>source.cpp(36): error C2668: 'std::pow' : ambiguous call to overloaded function...
View ArticlecvGetSubRect( ) taking an integer not rectangle
I'm fixing some source code using old OpenCV, converting it to use the current cv::Mat and all the good things in 3.0. The deprecated CvMat is all over the place. I know what cvGetSubRect() does, and...
View ArticleCreate host matrix with pinned memory
When using a GPU for processing, NVIDIA (and others) recommend that any host memory used to transfer data between the CPU should be allocated as 'pinned' not pageable. This can be in the CUDA world by...
View Articlehow can we calculate the distance for car and Pedestrian in autonomous vehicle?
I would like to know how to calculate the distance for each car when i run my application for the autonomous vehicle in a real time.in addition i want to know how the calculation are writing in c++....
View ArticleVideo Operations
Hi All, I have a large collection of videos in mov format. The video files are very huge. I want to do these operations on all videos at a time using any application on Linux/Mac 1. Reducing size of...
View Article3.0.0. Objective-C Framework with Extra Modules
I'm trying to build a framework for Objective-C use in XCode with the extra modules needed to run facial recognition, (FaceRecognizer etc.) I have built a framework from 2.4.11 and 2.4.10 but both...
View Articlehow can I align Face Images
I see that there's a nice little script in the facerec tutorial that aligns faces in images given positions for the eyes. I need to get the coordinates for the eyes, though, somehow. Would it work to...
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