Traffic information extraction of vehicle acoustic signal based on neural networks

Zhen Shan Li*, Jian Qun Wang, Guo Zhong Yao, Xue Jun Ran

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Citation (Scopus)

Abstract

A method for traffic information extraction of vehicle acoustic signal based on neural networks is proposed. At first, a method of pre-processing and feature extraction of the vehicle acoustic signals is explained, and the Melfrequency cepstral coefficients are selected as the characteristic parameters of the vehicle signals. Next, the basic theory of the current most widely used neural networks - BP network (Back-Propagation Network) is introduced, and aiming the shortcoming of the BP network, the improvement method to reduce the training time of the network is proposed. At last, the experimental data is used as the sample to train the network, and the target data is recognized. The traffic information is extracted from the target data and the recognized rate can reach 90%.

Original languageEnglish
Title of host publication2010 International Conference on Computer, Mechatronics, Control and Electronic Engineering, CMCE 2010
Pages484-487
Number of pages4
DOIs
Publication statusPublished - 2010
Event2010 International Conference on Computer, Mechatronics, Control and Electronic Engineering, CMCE 2010 - Changchun, China
Duration: 24 Aug 201026 Aug 2010

Publication series

Name2010 International Conference on Computer, Mechatronics, Control and Electronic Engineering, CMCE 2010
Volume2

Conference

Conference2010 International Conference on Computer, Mechatronics, Control and Electronic Engineering, CMCE 2010
Country/TerritoryChina
CityChangchun
Period24/08/1026/08/10

Keywords

  • Mel-frequency cepstral coefficients
  • Neural networks
  • Traffic information extraction
  • Vehicle acoustic signal

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