CodePudding user response:

There is no error, but is showed good results

CodePudding user response:

No error, the code doesn't write either

CodePudding user response:

I checked, the code that's right

CodePudding user response:

refer to the second floor does not enter the lines do not change the response of the nickname:

without error, what step or code not written

Is it possible to be an error in the opencv library

CodePudding user response:

Should not, after all, the library has many companies used up