Improving Non-Stationary Acoustic Source Classification with Metric Learning
Guilherme Zucatelli,
Ricardo Rossiter Barioni
Abstract:In this work, the metric learning is adopted to improve the classification of non-stationary acoustic sources. The proposed strategy aims to overcome the statistical differences that arise from the non-stationary behavior by learning an optimal function that minimizes intra-class and maximizes inter-class distances. A convolutional neural network with metric learning module generates embedded features of reduced size. Several sources with different degrees of non-stationarity are selected for the acoustic sour… Show more
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