[Solved] OpenCv5 error: (-215:Assertion failed) !_descriptors.empty() in function ‘add‘

OpenCv5——error: (-215:Assertion failed) !_ Descriptors. Empty() in function ‘Add’ problem solved

    1. the path of Chinese pictures cannot be included in the path of pictures. Format: D:/qqfiles/Web/Xiaomi/images/1.JPG


    1. the path of Windows cannot be copied directly. On the contrary, there is no qualified dataset in the path

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