Title :
Variable bandwidth filter for reconstruction of bio-medical signals with time-varying instantaneous bandwidth
Author :
Lee, Heyoung ; Bien, Zeungnam
Author_Institution :
Dept. of Electron., Comput. & Inf. Eng., Chonnam Nat. Univ., Gwangju, South Korea
Abstract :
A variable bandwidth filter (VBF) is proposed for cleaning bio-medical signals with known boundaries in the time-frequency domain (TFD). Also, the behaviors and the characteristics of the VBF are examined in TFD. The proposed VBF clips a noisy signal along the boundaries of the known instantaneous boundary (IB) and rejects noise in the outside of the IB of the signal in TFD.
Keywords :
filtering theory; medical signal processing; signal reconstruction; time-frequency analysis; ECG; EEG; EMG; biomedical signals cleaning; biomedical signals reconstruction; biomedical signals with known boundaries; blood pressure; instantaneous frequency; noise rejection; noisy signal clipping; skeletal muscle sounds; time-frequency domain; time-varying instantaneous bandwidth; variable bandwidth filter; Acoustic noise; Band pass filters; Bandwidth; Biomedical computing; Biomedical engineering; Computer science; Electrocardiography; Electromyography; Frequency domain analysis; Information filtering;
Conference_Titel :
Engineering in Medicine and Biology, 2002. 24th Annual Conference and the Annual Fall Meeting of the Biomedical Engineering Society EMBS/BMES Conference, 2002. Proceedings of the Second Joint
Print_ISBN :
0-7803-7612-9
DOI :
10.1109/IEMBS.2002.1134426
