I want to extract the views that exist in the image below (with the data). I used OpenCV and matplotlib, but sometimes the cropped pictures are not fully correctly extracted. I have a function to remove blocks; sometimes it executes correctly, sometimes it reads the image as a whole block because the blueprints image has a surrounding contour with letters (such as A B C D). How should I approach the problem of extracting the drawings in the image? Continue reading...
