Hyperspectral anomaly detection via super-resolution reconstruction with an attention mechanism

doi:10.1364/AO.432704

	Hyperspectral anomaly detection via super-resolution reconstruction with an attention mechanism
	Chong, Dan 2,3; Hu, Bingliang 2; Gao, Hao 1; Gao, Xiaohui 2
刊名	APPLIED OPTICS
	2021-09-10
卷号	60 期号:26 页码:8109-8119
ISSN号	1559-128X
DOI	10.1364/AO.432704
英文摘要	Hyperspectral anomaly detection aims to classify the anomalous objects in the scene. However, the spatial resolution of the hyperspectral images is relatively low, leading to inaccurate detection of abnormal pixels. Existing methods either ignore the low-resolution problem or leverage super-resolution models to reconstruct the global image to detect abnormal pixels. We claim that reconstructing super-resolution of the global image is unnecessary, while the area where the abnormal target is located should be paid more attention to be reconstructed. In this paper, we propose a super-resolution reconstruction with an attention mechanism for hyperspectral anomaly detection. Our method can automatically extract additional high-frequency information from low-spatial-resolution images and detect abnormal pixels simultaneously. Furthermore, the spatial-channel attention mechanism is adopted to select significant features for reconstructing super-resolution images by assigning different weights to different channels and different spatial-spectral locations. Finally, a regularized join loss function is proposed that balances different tasks by adjusting the relative weight. The experimental results on the public hyperspectral real datasets demonstrate that the proposed method outperforms the state-of-the-art methods. (C) 2021 Optical Society of America
资助项目	National Natural Science Foundation of China[11327303] ; National Natural Science Foundation of China[61405239] ; Key Laboratory of Spectral Imaging Technology of Chinese Academy of Sciences
WOS研究方向	Optics
语种	英语
出版者	OPTICAL SOC AMER
WOS记录号	WOS:000695067100032
内容类型	期刊论文
源URL	[http://119.78.100.204/handle/2XEOYT63/17205]
专题	中国科学院计算技术研究所
通讯作者	Gao, Xiaohui
作者单位	1.Chinese Acad Sci, Inst Comp Technol, Key Lab Network Data Sci & Technol, 6 KeXueYuan South Rd, Beijing 100190, Peoples R China 2.Chinese Acad Sci, Xian Inst Opt & Precis Mech, Key Lab Spectral Imaging Technol, 17 Xinxi Rd, Xian 710119, Peoples R China 3.Univ Chinese Acad Sci, Ctr Mat Sci & Optoelect Engn, Beijing 100049, Peoples R China
推荐引用方式 GB/T 7714	Chong, Dan,Hu, Bingliang,Gao, Hao,et al. Hyperspectral anomaly detection via super-resolution reconstruction with an attention mechanism[J]. APPLIED OPTICS,2021,60(26):8109-8119.
APA	Chong, Dan,Hu, Bingliang,Gao, Hao,&Gao, Xiaohui.(2021).Hyperspectral anomaly detection via super-resolution reconstruction with an attention mechanism.APPLIED OPTICS,60(26),8109-8119.
MLA	Chong, Dan,et al."Hyperspectral anomaly detection via super-resolution reconstruction with an attention mechanism".APPLIED OPTICS 60.26(2021):8109-8119.