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Traceback (most recent call last):
File "D:/001_DataAnalysisTools/pythonProject3/ex_opencv/main.py", line 790, in <module>
auto_scan_image_via_webcam()
File "D:/001_DataAnalysisTools/pythonProject3/ex_opencv/main.py", line 737, in auto_scan_image_via_webcam
if len(screenCnt) == 0:
UnboundLocalError: local variable 'screenCnt' referenced before assignment
STEP 1: Edge Detection
[ WARN:0] global D:\a\opencv-python\opencv-python\opencv\modules\videoio\src\cap_msmf.cpp (438) `anonymous-namespace'::SourceReaderCB::~SourceReaderCB terminating async callback
딥러닝opencv컴퓨터-비전
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