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python报错UnboundLocalError: local variable ‘tagReadFuncStr‘ referenced before assignment
全局变量没声明声明一下就好了global tagEnumStr,tagReadFuncStr,tagArrayStr原创 2021-10-29 18:12:42 · 248 阅读 · 0 评论 -
python-opencv报错cv2.error: OpenCV(4.4.0) C:\Users\appveyor\AppData\Local\Temp\1\pip-req-build-6sxsq0t
报错：cv2.error: OpenCV(4.4.0) C:\Users\appveyor\AppData\Local\Temp\1\pip-req-build-6sxsq0tp\opencv\modules\objdetect\src\cascadedetect.cpp:1689: error: (-215:Assertion failed) !empty() in function ‘cv::CascadeClassifier::detectMultiScale’原因：模型分类器的路径不对，找不到分类原创 2021-04-04 09:21:12 · 3971 阅读 · 1 评论