I've got an image loaded in grayscale via img = cv2.imread("myimg.jpg", 0). Examining the value of img after loading, it's an ndarray that looks like this: [[53,53,58,...,62,66,70], [52,52,57,...,68,68,90], ..., [80,80,80,...,91,92,91], [81,82,80,...,90,91,93]] Trying to crop out a chunk of it using cropped = img[top:bottom, left:right] where top, bottom, left and right are all integers. However, cropped is winding up as an empty ndarray. Why would this be? Example: top=337, left=74, bottom=271, right=140 Continue reading...
