Analyse image from a video/avc (h264) Android
Hi I want to analyse the frames from a streaming which is using a h264 encoding format. this is the code I have to show each frame in a surfaceview inside the frame I have an array of byte which has...
View ArticleCan Haar or Cascade classifiers be accurate enough in detecting object size?
I'm trying to detect ping pong ball using my own trained Haar classifier(not so good one) and then to calculate ball distance from camera.I calibrated camera and used those parameters alongside with...
View Article[OpenCV]How to detect and connect camera automatically
How can i detect and connect camera automatically?
View ArticleSVM Training Data with Bag-of-Word
Hi, I've a question with training an SVM multiclass with bag of word model. I have 50 video of training and each video is represented by a matrix of words. Now i have a vector that contains all...
View ArticleDensity function of Dirichlet distribution
Dear community Dirichlet distributions is used as a metric to guess the similarity between image, i read that is this paper DOI: 10.1049/ip-vis:20045192 
View Articlecreate Facerecognition dataset
I have created facerecognition sample(javacv) where i can detect and save images of faces real time. when i tried to recognize this faces again that time got this error: OpenCV Error: Unsupported...
View ArticleHow to find each black bar's begin and end row numbers ?
 ... (in vertical direction) A `cv::Mat` binarized image. Thanks I tried like following, `img` is given image in this question. bitwise_not(img,...
View Articledetecting a photograph
Hi all, I'm trying to detect a photograph, maybe up to 3 or 4 at a time. I tried using https://github.com/opencv/opencv/blob/master/samples/cpp/squares.cpp But it works a bit too good (detecting lots...
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