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A Nanopower Bandpass Filter for Detection of an Acoustic Signal in a Wearable Breathing Detector.
Phil Corbishley
Esther Rodríguez-Villegas
Published in:
IEEE Trans. Biomed. Circuits Syst. (2007)
Keyphrases
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bandpass
acoustic signal
matched filter
frequency domain
detection method
frequency band
low pass
subband
textured images
acoustic signals
object detection
signal to noise ratio
geometric distortions
low frequency
grey level
computer vision
high frequency
denoising
feature selection