Unsupervised Spectral–Spatial Feature Extraction With Generalized Autoencoder for Hyperspectral Imagery
IEEE Geoscience and Remote Sensing Letters(2020)
摘要
In this letter, we discuss unsupervised feature extraction on hyperspectral imagery (HSI) and propose a novel approach based on autoencoder (AE) networks to extract spectral-spatial features from HSI. Our approach takes the data relations into consideration, i.e., the input dependency with adjacent inputs, which the normal AE-based feature extractors often disregard. Specifically, the loss functio...
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关键词
Feature extraction,Image reconstruction,Data mining,Training,Artificial neural networks,Hyperspectral imaging
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