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我是新手opencv,我试图打印像素。如何解决'NoneType'对象不可下标是opencv
import numpy as np
import cv2
img = cv2.imread('freelancer.jpg',cv2.IMREAD_COLOR)
px = img[55,55]
print(px)
我越来越
Traceback (most recent call last):
File "C:/Users/Jeet Chatterjee/image processing/basic_image_op.py", line 6, in <module>
px = img[55,55]
TypeError: 'NoneType' object is not subscriptable
所以'cv2.imread()''返回None'。你可以测试一下,或者试图找出你的图片无法加载的原因。 –