Title
Regularization Framework for Target Detection in Hyperspectral Imagery
Abstract
Target detection in hyperspectral imagery (HSI) is of great interest in the signal processing field. The key to the target detection methods lies in the proper estimation of a variety of measurement matrices that are estimated from the HSI. However, these matrices are usually ill conditioned due to the high dimension of the HSI or the inherent correlation between different image bands, which can result in inaccurate inverse matrices estimation. Therefore, how to handle the potentially inaccurate inverse calculation greatly affects the detection performance. This letter proposes a regularization framework that is suitable for the state-of-the-art measurement matrices used in target detectors. It adds a scaled identity matrix to these matrices in order to strengthen the stability of the inverse matrices, and, consequently, improve the detection performance. Extensive experiments were carried out on HSI that revealed the regularized detectors clearly outperformed the original detectors.
Year
DOI
Venue
2014
10.1109/LGRS.2013.2257666
IEEE Geosci. Remote Sensing Lett.
Keywords
Field
DocType
regularization framework,matrix algebra,hyperspectral imagery,signal processing field,target detection,object detection,inverse matrices,hyperspectral imaging,regularization,inverse matrix,hsi
Signal processing,Matrix (mathematics),Remote sensing,Regularization (mathematics),Artificial intelligence,Identity matrix,Detector,Computer vision,Inverse,Object detection,Pattern recognition,Hyperspectral imaging,Mathematics
Journal
Volume
Issue
ISSN
11
1
1545-598X
Citations 
PageRank 
References 
8
0.53
6
Authors
3
Name
Order
Citations
PageRank
Yuxiang Zhang116715.28
Bo Du21662130.01
Liangpei Zhang35448307.02