2012•Unpublished venueRequires access

Research and implementation of the optimization RS decoding algorithms for QR code decoding

Yongjun Zhang

Abstract

This paper researches and analyzes the national standard of QR Code and the characteristics of systematic form of Reed-Solomon (RS) codes in QR Code. Furthermore, RiBM algorithm, Chien search algorithm and Forney algorithm are applied to implement Reed-Solomon algorithm. consequently, the computational complexity of RS error-correcting decoding is reduced and the decoding speed of QR Code is improved.

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Available abstract

Key concepts: Decoding methods, Computer science, Code (set theory), Algorithm, Berlekamp–Welch algorithm, List decoding, Reed–Solomon error correction, Sequential decoding