KnowraQR codeLinked fromLinked fromThe 10 pages that link to QR code, each with the reason it gives.All 10Broader topic 5Related 2Compared with 3Reed–Solomon codeBroader topic: QR codes use Reed–Solomon redundancy to recover data when parts of the symbol are damaged.Coding theoryBroader topic: Reed–Solomon error correction allows decoding when parts of the symbol are obscured.Error detection and correctionBroader topic: Its error correction permits decoding despite partial damage or obscured modules.BarcodeBroader topic: QR codes extend barcode use to URLs and other data that exceed typical linear symbols.Reed–Solomon error correctionBroader topic: Its Reed–Solomon redundancy allows data recovery when parts of the symbol are obscured.