Functional Feature Extraction for Hyperspectral Image Classification With Adaptive Rational Function Approximation

Zhijing Ye,Tao Qian,Liming Zhang,Lei Dai,Hong Li,Jon Atli Benediktsson

IEEE Transactions on Geoscience and Remote Sensing（2021）

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摘要

A functional feature extraction method based on rational function approximation for hyperspectral image (HSI) classification is proposed. In digital imagery, the spectral information of a pixel can be regarded as a 1-D signal. An HSI is composed of these 1-D signals arranged in a certain spatial structure. According to the functional characteristic of hyperspectral data, 1-D signals can be approxi...

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关键词

Feature extraction,Hyperspectral imaging,Data models,Machine learning,Splines (mathematics),Function approximation,Data mining

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