window +anaconda-spyder +opencv

这里写自定义目录标题 error: OpenCV(4.0.0) C:\projects\opencv-python\opencv\modules\highgui\src\window.cpp:350: error: (-215:Assertion failed) size.width>0 && size.height>0 in function ‘cv::imshow’ e_ZmFuZ3poZW5

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