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: | 1-一月-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 |
顯示於類別: | 會議論文 |