標題: Camera-based Heart Rate Measurement Using Continuous Wavelet Transform
作者: Wu, Bing-Fei
Huang, Po-Wei
Tsou, Tsong-Yang
Lin, Tzu-Min
Chung, Meng-Liang
電機工程學系
電控工程研究所
Department of Electrical and Computer Engineering
Institute of Electrical and Control Engineering
關鍵字: Continuous wavelet transform;photoplethysmography;biomedical monitoring;remote sensing
公開日期: 1-Jan-2017
摘要: Recent years have seen increased attention being given to measure Heart Rate with remote-PPG. Previous work mainly focused on optimal signal extraction from three channels of a webcam. Several robust signal extraction methods using either optic models or frequency analysis have been discussed before. After applied these algorithms, residual noise still emerges occasionally with short time duration and relative high energy. This paper investigates the cause of residual noise and then proposed an algorithm based on continuous wavelet transform (CWT) to reduce the highly dynamic residual noise. With noise reduction and signal reconstruction, the advantages of both CWT and FFT are integrated to cope with the motion/illuminance induced residual noise. The results obtained by this system show improved SNR ratio and Entropy under both motion and stationary conditions.
URI: http://hdl.handle.net/11536/147125
ISSN: 2325-0925
期刊: 2017 INTERNATIONAL CONFERENCE ON SYSTEM SCIENCE AND ENGINEERING (ICSSE)
起始頁: 7
結束頁: 11
Appears in Collections:Conferences Paper