> 原文:[https://www . geesforgeks . org/python-draw-矩形-shape-and-extract-objects-use-opencv/](https://www.geeksforgeeks.org/python-draw-rectangular-shape-and ...

I tried to draw bboxes on an image and it worked well with a ndarray with several bboxes(shaping (N, 4)), but when it came to only a ndarray containing only one bbox ...