How do I load an OpenCV generated yaml file in python?
It appears that OpenCV is writing yaml 1.0 but PyYaml only wants to read yaml 1.1 (http://pyyaml.org/#Whatimplementationshouldyouuse and...
View Articlewansview ip camera stream capture in JavaFX
I'm having trouble getting OpenCV to capture a stream from my Wansview IP Camera. I've tried to use the answer from post http://answers.opencv.org/question/79210/solved-accessing-ip-camera-feed/ ....
View ArticlesolvePnP fails in a specific case
I am using OpenCV's solvePnPRansac function to estimate the pose of my camera given a pointcloud made from tracked features. My pipeline starts with forming a point cloud from matched features between...
View Articlecurrently, I am doing a research on global illumination for mixed reality....
I want to know the full possible opportunities of opencv in terms of global illumination sphere. How can I learn to put a virtual object to the real scene and do some stuff with its lighting (specular,...
View ArticleI am new for Opencv. I plan to do hand recognition based Augmented Reality on...
Now i am using unity game engine for developing augmented reality
View Articlewhere can i download pre-compiled OpenCV CUDA binaries?
i read in the opencv.org site that there is pre-compiled OpenCV Cuda binaries, but i cant find any links i can download. Can anyone show me the link? Much thanks!!!!
View ArticleContour approximation. Avoid extra rectangle height
Binary image  When I draw rectangle it gives me rectangle with maximum height. I dont want to use `enter code here` epsilon =...
View ArticleOpenCV reduction based operations
I'm working to improve the work-group reduce functions in a Linux OpenCL stack for GPGPUs. The work-group functions are briefly described here [1] - in short they enable add/min/max collaborative work...
View ArticleHow many sliding windows are used by HaarDetection?
I was wondering, how many Sliding windows are used in the Cascade.Detect function? I mean, if I detect 3 Objects in my pirture, I get a true positive rate of 3. But how about my true negative rate? How...
View ArticleHow is Cascade training algorithm? the steps.
cascade consists of many stages. If first stage is already trained. Then the second stage training will use the rest of the samples which passed at first stage, or use all samples which are composed of...
View ArticleIP camera: rtsp streaming on openCV 3.0.1
I am using openCV to view an IP camera's RTSP stream. I am using Mac OS El Capitan. The stream URL is:> rtsp://admin:123456@192.168.0.101:554/live/ch1 When I open the stream using the vlc player,...
View ArticleWhere's tesseract's setVariable method
Tesseract allows setting various [variables](http://www.sk-spell.sk.cx/tesseract-ocr-parameters-in-302-version) before running recognition. We have OCRTesseract class in 'contrib' and only...
View Articlebow and SURF with many images
i used SURF and BOW. i have seen bow.py from git. but i have no idea how to use many images with SVM.predict() and how to classify many images with bow.
View ArticleIs their any support for haze removal in opencv3.0 and how to implement it in...
I have been working on projet in which a part is there in which image haze removal is required.I have tried but I am unble to do softmatting of transmission image using'single image haze removal using...
View ArticleHow to loop over all the images using openCV 3.0.0 and C++?
i want to loop over my images that saved on my working folder and apply in all of them a converter to gray and then to equalized. I have the code but just for one image and I want it for 50 images....
View ArticleConfigure OpenCV 3.1 with Code::Blocks 16.01+MinGW
Hello I'm a new user of OpenCV 3.1. I tried to configure Code::Blocks 16.01+MinGW to work with OpenCV 3.1 but there is always something wrong. Can you help me? Thank you.
View ArticleSub-pixel coordinate origin
When working with sub-pixel coordinates in OpenCV (e.g. chessboard corners in the camera calibration pipeline), what is the origin of this coordinate system? I've seen this asked a few times, but the...
View Articlesvm java opencv 3
Hi, I am trying to implement BoW model using opencv java, but I am facing an issue while using SVM.Kindly help me to debug it. My code goes as follows SVM classifier = SVM.create(); TermCriteria...
View Articlecv::VideoCapture skips corrupted frames and spoils my algorithm
I understand that I can't expect cv::VideoCapture to always return pristine frames if the video is corrupted, but I have a video comparison algorithm that DEMANDS that videos track time from beginning...
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