A novel cuboid method with particle swarm optimization for real-life noise attenuation from heart sound signals

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摘要

•The quasi-cyclic feature of heart sound is explored.•A novel cuboid method optimized by PSO for attenuating real-life noise from heart sound is proposed.•A new objective function for PSO optimizing HS signal de-noising is proposed.

论文关键词：Heart sound,Real-life noise attenuation,Short-time Fourier transform,Cuboid method,Particle swarm optimization,The normalized autocorrelation coefficient

论文评审过程：Author links open overlay panelKehanZengabPersonEnvelopeMingchuiDonga

论文官网地址：https://doi.org/10.1016/j.eswa.2014.05.006