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A New Method of Vehicle Initiative Safety: Heart Sound Acquisition and Identification Technology

Authors:
Cheng Yu-han
Ma Yong

Keywords: Vehicle initiative safety; Heart sound acquisition and identification; Independent sub-band function; Degree of heart sound signal certainty

Abstract:
This paper presents a method based on heart sound analysis of the characteristics of the vehicle initiative safety technology, to explore the feasibility and implementation method of monitor the pilot health condition using the heart sound signal. The article analyzes the characteristics of heart sound signal and vehicle background noise firstly, and prop-oses the model of the heart sound in vehicle internal environment; according to the model, a kind of acquisition device is designed; then, it discusses the heart sound classification and identification method based on independent sub-band function, especially the rules and algorithms of independent sub-band function construction, as well as how to make independent sub-band function as a new statistics characteristic parameter. In order to quickly determine a heart sound signal which separated from the heart sound acquisition apparatus, the paper introduces the new concept, i.e., degree of heart sound signal certainty. Finally, efficiency and feasibility are verified through the heart sound acquisition, classification and identification experiments.

Pages: 88 to 94

Copyright: Copyright (c) IARIA, 2013

Publication date: July 21, 2013

Published in: conference

ISSN: 2308-4529

ISBN: 978-1-61208-283-7

Location: Nice, France

Dates: from July 21, 2013 to July 26, 2013