Improved Dynamic Dual Threshold Algorithm for Peak Detection of Barcode Signal

PENG Guo-jie; ZHANG Wei; WANG Yi-wen; LI Hui

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Improved Dynamic Dual Threshold Algorithm for Peak Detection of Barcode Signal

更新时间：2026-09-04

- Improved Dynamic Dual Threshold Algorithm for Peak Detection of Barcode Signal
- Vol. 31, Issue 4, Pages: 164-167(2014)
- 作者机构：
  
  电子科技大学微电子与固体电子学院,四川,成都,610054
- 作者简介：
- 基金信息：
- DOI：
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- Published：2014
- 稿件说明：
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彭国杰, 张微, 王忆文, 李辉. 用于条码信号峰值检测的改进动态双阈值算法[J]. 微电子学与计算机, 2014, 31(4): 164-167.

PENG Guo-jie, ZHANG Wei, WANG Yi-wen, et al. Improved Dynamic Dual Threshold Algorithm for Peak Detection of Barcode Signal[J]. 2014, 31(4): 164-167.
彭国杰, 张微, 王忆文, 李辉. 用于条码信号峰值检测的改进动态双阈值算法[J]. 微电子学与计算机, 2014, 31(4): 164-167. DOI：

PENG Guo-jie, ZHANG Wei, WANG Yi-wen, et al. Improved Dynamic Dual Threshold Algorithm for Peak Detection of Barcode Signal[J]. 2014, 31(4): 164-167. DOI：

摘要

激光式扫描枪是一种常见的一维条码识读设备，条码信号的峰值检测是影响该设备性能的关键环节.本文针对该环节改进了一种适用于软件实现的动态双阈值算法，并用MATLAB进行算法仿真，最后在自主研发的激光式扫描枪上对改进的算法进行实验验证.结果表明，改进后的算法能以更少的运算量得到更准确的阈值，提高了峰值检测的准确性，从而有效地改善了激光式扫描枪的识读能力.

Abstract

Laser barcode scanner is a common one-dimensional barcode reader

and its performance is mainly affected by the accuracy of peak detection of barcode signal.To obtain a better result of peak detection

this article offers an improved dynamic dual threshold algorithm which can be easily implemented in software.The algorithm is simulated in MATLAB and tested on the self-developed laser barcode scanner.The results indicate a more precise threshold for peak detection can be obtained from less calculation with the improved algorithm

which greatly improve the reading and recognition capabilities of the laser barcode scanner.

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