GitHub - larygwil/ZBar-Bar-Code-Reader: (Unofficial mirror) reading bar codes from various sources, such as video streams, image files and raw intensity sensors. It supports EAN-13/UPC-A, UPC-E, EAN-8, Code 128, Code 39, Interleaved 2
ZBar Bar Code Reader Library: zbar::Processor Class Reference
An OpenCV barcode and QR code scanner with ZBar - PyImageSearch
Real time QR Code / Bar code detection with webcam using OpenCV and ZBar – ayoungprogrammer's blog