Tag: error-correction

PDF417 error correction is a fixed codeword budget, not a percentage: level 0 buys 2 Reed-Solomon parity codewords and level 8 buys 512. Build, damage and decode PDF417 symbols in the browser with Dynamsoft Barcode Reader, and see where each level actually gives up.

A QR Code recovers damage through Reed-Solomon parity, not magic: level L repairs roughly 7% of its codewords and level H roughly 30%. Build, damage, and decode QR codes in the browser with a new interactive error correction visualizer powered by Dynamsoft Barcode Reader. It also rebuilds a damaged code...