Published January 1, 2021 | Version v1
Conference paper Open

GAN-based Hyperspectral Anomaly Detection

  • 1. Gebze Tech Univ, Elect Engn Dept, Kocaeli, Turkey
  • 2. West Virginia Univ, Lane Dept Comp Sci & Elect Engin, Morgantown, WV 26506 USA

Description

In this paper, we propose a generative adversarial network (GAN)-based hyperspectral anomaly detection algorithm. In the proposed algorithm, we train a GAN model to generate a synthetic background image which is close to the original background image as much as possible. By subtracting the synthetic image from the original one, we are able to remove the background from the hyperspectral image. Anomaly detection is performed by applying Reed-Xiaoli (RX) anomaly detector (AD) on the spectral difference image. In the experimental part, we compare our proposed method with the classical RX, Weighted-RX (WRX) and support vector data description (SVDD)-based anomaly detectors and deep autoencoder anomaly detection (DAEAD) method on synthetic and real hyperspectral images. The detection results show that our proposed algorithm outperforms the other methods in the benchmark.

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