I want to align the following image using the L-shaped marks in each of its corners, so that it will be perfectly aligned along the x- and y-axes: ![this image][2] Searching the possibilities OpenCV provides yielded no success. Maybe there is some specific term for the corner marks that I do not know. Knowing it might have made the search easier. Do you have any idea how I can do it using Python and OpenCV (or any other library)? Continue reading...
