An error is reported during contour detection in OpenCV
Just change the contents in the code to binary
Tag Archives: Machine vision
AttributeError: module ‘cv2.cv2‘ has no attribute ‘face‘
Today, there was an error when running opencv module attributeerror: module 'CV2. CV2' has no attribute 'face' , CSDN checked and said that it was necessary to uninstall opencv first and then install it again. I felt that it was too troublesome, so I tried to find the answer in stackoverflow, which was effective. I specially recorded it
Opencv has two modules,
OpenCV_ contrib_ python、opencv_ Pythonlet their twoversion numbers be the sameis OK.
If not, adjust the version number of the two modules at the same time and try again. Remember to be consistent
PIP install the specified version
pip install opencv_contrib_python == version
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HALCON error #2036: could not find license file in operator set_ Part solution
HALCON error #2036: could not find license file in operator set_part
operator set_part
copy the license folder into the root directory of exe, then you can run the program normally
2019-03-04
change the license_xxx.dat to license.dat and put it in the root directory of the running program to solve the license_xxx.dat. Please note that the license_xxx.dat must be valid and have no expired certificates