error: OpenCV(4.5.5) D:\a\opencv-python\opencv-python\opencv\modules\imgproc\src\color.cpp:182: error: (-215:Assertion failed) !_src.empty() in function ‘cv::cvtColor’
Could you please attach the code you are using?
The error seems to be because the image you want to convert to another color model has been loaded incorrectly.
Good Luck!
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please check the image returned from imread() (or cap.read())
for None, or the np.shape() for ()
opencv’s io silently returns invalid Mats on failure
try this search: https://stackoverflow.com/search?tab=votes&q=!_src.empty()%20cvtcolor