opencv报错 error: (-215) size.width>0 && size.height>0 in function cv::imshow

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opencv报错 error: (-215) size.width>0 && size.height>0 in function cv::imshow

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（python走过的坑）OpenCV中错误opencv-3.3.1\modules\highgui\src\window.cpp:339: error: (-215) size.width>0 && size.height>0 in function cv::imshow

第一次在python中使用OpenCV(cv2),运行时报错opencv-3.3.1\modules\highgui\src\window.cpp:339: error: (-215) size.width>0 && size.height>0 in function cv::imshow 源码如下: import cv2 img = cv2.imread('路.jpg') cv2.namedWindow("w") cv2.imshow('w',img) c…