Top "Mat" questions

What is the difference between UMat and Mat in OpenCV?

I have been through the documentation and didn't get a clear detailed description about UMat; however I think it has …

opencv mat

How can I get and set pixel values of an EmguCV Mat image?

I'm using the EmguCV 3.0.0 wrapper to the OpenCV 3.0 library. I'm using the Mat class in a few places. Here's an …

c# image-processing mat emgucv

cv::Mat's release method

I would like to confirm whether cv::Mat::release() method is similar to free() in C programming, i.e., its …

c++ opencv free mat

OpenCV Mat array access, which way is the fastest for and why?

I am wondering about the way of accessing data in Mat in OpenCV. As you know, we can access to …

c++ image image-processing opencv mat

list file extensions supported by OpenCV

In OpenCV, I see imread() and VideoCapture() both take a string to a file path of multiple extensions. Is there …

c++ opencv video-capture mat

How to read a v7.3 mat file via h5py?

I have a struct array created by matlab and stored in v7.3 format mat file: struArray = struct('name', {'one', 'two', …

python matlab hdf5 mat h5py

Get value in enter keypress event in angular material

Trying to create an input with a clear button following the example from Angular Material, link to the example, what …

angular events angular-material mat

How to give YUV data input to Opencv?

I am a beginner to Opencv. In my new opencv project I have to capture video frames from a camera …

opencv yuv mat

Display image using Mat in OpenCV Java

I am writing my first program in OpenCV in Java and I'd like to ask, is it possible to load …

java opencv mat

Convert a string of bytes to cv::mat

I need to implement a function that receives a string containing the bytes of an image (received via boost socket …

string opencv mat