Technical Program

Paper Detail

Session:Learning Theory and Models
Time:Thursday, May 20, 15:30 - 17:30
Presentation: Poster
Topic: Machine Learning for Signal Processing: Signal detection, Pattern Recognition and Classification
Authors: Ye Zhang; Harbin Institute of Technology 
 Yanfeng Gu; Harbin Institute of Technology 
Abstract: In this paper, a kernel based invariant subspace detection method is proposed for small target detection of hyperspectral images. The method combines kernel principal component analysis (KPCA) and linear mixture model (LMM). The LMM is used to describe each pixel in the hyperspectral images as mixture of target, background and noise. The KPCA is used to build subspaces of target and background. A generalized likelihood ratio test is used to detect whether each pixel in hyperspectral image includes target. The numerical experiments are performed on AVIRIS hyperspectral data with 126 bands. The experimental results show the effectiveness of the proposed method and prove that this method can commendably overcome spectral variability in the hyperspectral target detection, and it has good ability to separate target from background.

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