I am converting a matlab code into C++ using OpenCV libraries. Can anyone tell me roipoly matlab function equivalent in OpenCV?? Or how to get the same functionality using OpenCV? BW = roipoly(I...

I have a question about how to define a ROI with OpenCV. I know what the definition of the function cvSetImageROI but I want to know if is possible to define a ROI with OpenCV with a different shap...

I'd like to use a ROI to copy a found polygon in an image, into a new image. I'd like this polygon to fit exactly in the new image. So far I used ROI, but I noticed that the angle is not taken into...

ROI can only be implemented with an rectangle. I however have a contour that I want to set as an ROI. Does anyone have an idea of how I would go about using a contour as an ROI rather than a rectan...

I have an image that contains a square, and I need to extract the area contained in that square. After applying the squares.c script (available in the samples of every OpenCV distribution) I obtain...

I'm currently working with a fairly old product that's been saddled with a lot of technical debt from poor programmers and poor development practices in the past. We are starting to get better and ...