OpenCV Python:從圖像中檢索矩形主區域然后裁剪圖像 [英]OpenCV Python: retrieve rectangle main area from image then crop image
如何從 OPENCV python 中的圖像中刪除背景灰色圖紙 [英]How to remove background gray drawings from image in OPENCV python
如何在Python中使用OpenCV裁剪圖像的黑色背景? [英]How do I crop the black background of the image using OpenCV in Python?
Python OpenCV:根據內容裁剪圖像,並使背景透明 [英]Python OpenCV: Crop image to contents, and make background transparent
如何在opencv-python中以特定背景顏色裁剪圖像中的對象? [英]How to crop object in the image on the particular background color in opencv-python?