Lie Detection Study Based on Phase Locking Value

doi:10.3969/j.issn.0372-2112.2018.06.002

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Lie Detection Study Based on Phase Locking Value

更新时间：2025-07-08

- Lie Detection Study Based on Phase Locking Value
- Acta Electronica Sinica Vol. 46, Issue 6, Pages: 1289-1293(2018)
- 作者机构：
  
  1. 中南民族大学生物医学工程学院认知科学国家民委重点实验室,湖北,武汉,430074
  2. 浙江海洋大学数理与信息学院,浙江,舟山,316022
  4. 电子科技大学生命科学与技术学院,四川,成都,610054
  5. 中南民族大学医学信息分析及肿瘤诊疗湖北省重点实验室,湖北,武汉,30074
- 作者简介：
- 基金信息：
  
  National Natural Science Foundation of China (No.81271659, No.61262034, No.316022, No.61773408);China Postdoctoral Science Foundation (No.2014M552346)
- DOI：10.3969/j.issn.0372-2112.2018.06.002
  CLC： R318
- Published Online：25 June 2018，
  
  Published：2018
- 稿件说明：
移动端阅览
Lie Detection Study Based on Phase Locking Value[J]. Acta Electronica Sinica, 2018, 46(6): 1289-1293.
DOI：

Lie Detection Study Based on Phase Locking Value[J]. Acta Electronica Sinica, 2018, 46(6): 1289-1293. DOI： 10.3969/j.issn.0372-2112.2018.06.002.

摘要

相锁值（Phase Locking Value，PLV）是由相同步的概念下提出一种描述不同信号相关性（同步性）的算法，在脑电信号领域，其有效性已经得到了验证.本文针对当前测谎方法中脑电信号特征提取困难的问题，首次将相锁值的算法应用到脑电测谎领域中，研究谎言脑活动下不同脑区之间的相关性，通过相关性发现谎言的认知机制，并利用该相关性作为特征，使用支持向量机对说谎者和诚实者的两类信号进行模式识别，得到了88.50%的准确率，提出的方法验证了PLV在测谎应用中的有效性，为基于脑电信号的测谎提供了一种新的途径.

Abstract

Phase Locking Value(PLV) is an algorithm describing different signals' correlation (synchronization)

which is based on the concept of phase synchronization and its effectiveness has been verified in the field of EEG(Electro Encephalo Graphy).Aiming at the issue of extracting EEG signal's feature in the current lie detection method

this study applied PLV to the field of EEG of lie detection for the first time.We find lying cognitive mechanism with the correlation between different brain regions under lying cerebration

and use support vector machine (SVM) to execute pattern recognition between liars and honest' signal utilizing the correlation as a feature.The result of classificationaccuracy is 88.50%.Therefore

the proposed method verified that the application of PLV in lie detection is effective and it provided a new way to EEG lie detection signal.

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