Consult, how to use a computer camera recognition program as a qr code
CodePudding user response:
After the qr code image appeared in the camera, point a certain button, use camera to save the image, and then use QRCode qr code generating qr code control
CodePudding user response:
After the qr code image appeared in the camera, point a certain button, use camera to save the image, and then use QRCode qr code generating qr code control
CodePudding user response:
QRCode qr code controls can identify qr code?
CodePudding user response:
Have done this before?
CodePudding user response:
The
reference 3 floor lea_lawer response: QRCode qr code controls can identify the qr code? CodePudding user response:
Recently, I also in this, the simplest is to use the OpenCV + Zbar , and both are open source, recognition rate and efficiency, is the only pay attention to the computer general without auto-focus camera, so has certain influence to the recognition effect, if you want to know more details, the comments, I find time to compile the code and the problems in the post, CodePudding user response:
refer to 6th floor zzbinfo response: recently, I also in this, the simplest is to use the OpenCV + Zbar , and both are open source, recognition rate and efficiency, is the only pay attention to the computer general without auto-focus camera, so has certain influence to the recognition effect, if you want to know more details, the comments, I find time to compile the code and the problems in the post, CodePudding user response:
I would also like to know how to do, with a focus lens focal, how to find CodePudding user response:
refer to 7th floor laputa_fly response: Quote: refer to the sixth floor zzbinfo response: OpenCV + Zbar , and both are open source, recognition rate and efficiency, is the only pay attention to the computer general without auto-focus camera, so has certain influence to the recognition effect, if you want to know more details, the comments, I find time to compile the code and the problems in the post, CodePudding user response:
refer to the eighth floor PPower response: I also want to know how to do, with a focus lens focal, how to find the 