Local Sub-Block Contrast and Spatial–Spectral Gradient Feature Fusion for Hyperspectral Anomaly Detection

Dong Zhao, Xingchen Xu, Mingtao You,Pattathal V. Arun, Zhe Zhao, Jiahong Ren, Li Wu,Huixin Zhou

Remote Sensing（2025）

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Key words

hyperspectral anomaly detection,spatial–spectral gradient features,ratio-multiply contrast,ratio-difference contrast

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