Speech detection enhancement in optical fiber acoustic sensor via adaptive threshold function
Sign Up to like & getrecommendations! Published in 2019 at "Optical Fiber Technology"
DOI: 10.1016/j.yofte.2018.11.013
Abstract: Abstract In this paper, we demonstrate a novel speech enhancement method for improving detection performance of optical fiber acoustic sensor. The proposed method is based on a novel threshold function with adaptive threshold for wavelet… read more here.
Keywords: fiber acoustic; threshold function; speech; optical fiber ... See more keywords
Denoising of an ultraviolet light received signal based on improved wavelet transform threshold and threshold function.
Sign Up to like & getrecommendations! Published in 2021 at "Applied optics"
DOI: 10.1364/ao.437674
Abstract: In this paper, the wavelet transform algorithm is used to reduce the noise of ultraviolet (UV) light received signals. An improved calculation method of the wavelet thresholds and a new threshold function are proposed. The… read more here.
Keywords: wavelet transform; ultraviolet light; threshold function; function ... See more keywords
Application of translation wavelet transform with new threshold function in pulse wave signal denoising
Sign Up to like & getrecommendations! Published in 2023 at "Technology and Health Care"
DOI: 10.3233/thc-236049
Abstract: BACKGROUND: The wrist pulse wave under the optimal pulse pressure plays an important role in detecting human body’s physiological and pathological information. Wavelet threshold filtering is a common method for pulse wave de-noising. However, traditional… read more here.
Keywords: new threshold; threshold function; wavelet; pulse wave ... See more keywords