cv2.imshow命令在opencv-python中无法正常工作 [英] cv2.imshow command doesn't work properly in opencv-python
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问题描述
我正在使用opencv 2.4.2,python 2.7
以下简单代码创建了一个正确名称的窗口,但其内容只是空白且不显示图像:
I'm using opencv 2.4.2, python 2.7 The following simple code created a window of the correct name, but its content is just blank and doesn't show the image:
import cv2
img=cv2.imread('C:/Python27/03323_HD.jpg')
cv2.imshow('ImageWindow',img)
有没有人知道这个问题?
does anyone knows about this issue?
推荐答案
imshow()
仅适用于 waitKey()
:
import cv2
img = cv2.imread('C:/Python27/03323_HD.jpg')
cv2.imshow('ImageWindow', img)
cv2.waitKey()
(更新窗口所需的整个消息循环都隐藏在那里。)
(The whole message-loop necessary for updating the window is hidden in there.)
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