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纸质的二维条码标签在传递和使用过程中就容易受到污损。要更好的识别二维条码数据,要求QR二维条码的达到50%纠错能力。本文通过分析LDPC的编码思想,在相同条件下仿真比较LDPC编码与RS编码的纠错性能差异,提出了利用采用LDPC编码替换RS编码以提高QR二维条码的纠错能力。
Paper-based two-dimensional bar code labels are easily defaced during delivery and use. To better identify the two-dimensional bar code data, QR two-dimensional bar code required to achieve 50% error correction capability. In this paper, by analyzing the encoding idea of LDPC, the difference between the error correction performance of LDPC encoding and RS encoding is simulated under the same conditions, and the error correcting capability of using QR code to replace QR code to improve QR two-dimensional barcode is proposed.