If you want to scan a barcode, this list of barcode scanner apps ... It even allows you to reorder the pages as needed and color-correct any of the pages. Also, there is a built-in OCR that ...

Characters on the right of the center guard bar are color inverted from those on ... The grocery checkout barcode scanner hasn’t changed much over the years. It’s mounted in a slot and ...

Recently [mit41301] wondered about increasing the data capacity of QR codes, and was able to successfully triple the number of bits using color ... a traditional 1D bar code.