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Spiking Neuron Model for Wavelet Encoding of Temporal Signals

机译:时间信号小波编码的尖峰神经元模型

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Wavelet decomposition is a widely used method to preprocess temporal signals before they could be analyzed by Artificial Spiking Neural Networks (ASNN). This study proposes a biological plausible way to encode the temporal signals into spike trains with wavelet amplitude spectrum represented by the delay phases during each encoding period. The encoding method is presented in the form of a spiking neuron model for easy implementation in ASNN. The proposed neuron model is tested on encoding of human voice records for speech recognition purpose, and compared with results from continuous wavelet transform. The nonlinearity properties and choices of biological plausible wavelet kernels for the proposed encoding method is discussed for the generality of its application.
机译:小波分解是一种在对时间信号进行预处理之前,可以通过人工脉冲神经网络(ASNN)对其进行分析的广泛使用的方法。这项研究提出了一种生物学上可行的方法,可以将时间信号编码为带有小波振幅谱的尖峰序列,该小波振幅谱由每个编码周期中的延迟相位表示。编码方法以尖峰神经元模型的形式呈现,可轻松在ASNN中实现。所提出的神经元模型在用于语音识别的人类语音记录编码上进行了测试,并与连续小波变换的结果进行了比较。为了应用的普遍性,讨论了所提出的编码方法的非线性特性和生物似然小波核的选择。

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