2D semi-NMF of scale-frequency map for environmental sound classification

Abstract

This paper introduces a novel two dimensional feature extraction method for environmental sound classification, based on two dimensional semi-nonnegative matrix factorization (2D Semi-NMF) of scale-frequency maps. We first extract scale-frequency maps (SFMs) from the input signals, and this feature is considered preserving scale and frequency… (More)
DOI: 10.1109/APSIPA.2014.7041681

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