Top "Mat" questions

Use this tag for questions dealing with opencv cv::Mat (or cvMat) data structure.

How to capture the desktop in OpenCV (ie. turn a bitmap into a Mat)?

I want to use OpenCV to process my desktop as if it were a video stream. I am familiar with …

opencv bitmap desktop mat
Initialize the values into Mat object in OpenCV

I need to initialize these array values directly into a Mat object. I tried using obj.put(i,j,data) …

java opencv mat
How to create empty Mat in OpenCV?

How to create empty Mat in OpenCV? After creation I want to use push_back method to push rows in …

c++ opencv mat
C++ OpenCV image sending through socket

I'm trying to implement a streaming service using OpenCV and sockets. The server side loads a given image and sends …

c++ sockets opencv streaming mat
cv::Mat to QImage and back

//Sorry for my english. Tell me please, what I am doing wrong? I have read a lot about this. And …

c++ qt opencv qimage mat
Add the contents of 2 Mats to another Mat opencv c++

I just want to add the contents of 2 different Mats to 1 other Mat. I tried: Mat1.copyTo(newMat); Mat2.copyTo(…

c++ opencv mat
Copy Mat in opencv

I try to copy a image to other image using opencv, but I got a problem. Two image is not …

c++ opencv mat
How to access pixel values of CV_32F/CV_64F Mat?

I was working on homography and whenever I try to check the values of H matrix (type CV_64F) using …

opencv pixel mat
How do i get the size of a multi-dimensional cv::Mat? (Mat, or MatND)

I am creating a multi-dimensional MAT object, and would like to get the size of the object - e.g., …

c++ opencv mat
How to Access rows and columns of Vector<Mat> Images on Open cv for Android?

I was going through some code on open cv using Android.Can any one show me how I am gonna …

android opencv vector rows mat