A feature extraction model based on discriminative graph signals.

Wuhong Lin,Jianfeng Huang,Ching Yee Suen,Lihua Yang

Expert Systems with Applications（2020）

引用 12|浏览243

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摘要

•Propose the idea of discriminative graph signal.•Propose a feature extraction model based on graph.•Make use of the relation among samples in extracting features.•The discriminative signal has only a few frequency terms.

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关键词

Discriminative signal,Feature extraction,Graph Laplacian,Graph signal processing,Supervised classification

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