Real-time processing algorithms for target detection and classification in hyperspectral imagery

Chein I. Chang, Hsuan Ren, Shao Shan Chiang

研究成果: 雜誌貢獻期刊論文同行評審

104 引文 斯高帕斯(Scopus)

摘要

In this paper, we present a linearly constrained minimum variance (LCMV) beamforming approach to real time processing algorithms for target detection and classification in hyperspectral imagery. The only required knowledge for these LCMV-based algorithms is targets of interest. The idea is to design a finite impulse response (FIR) filter to pass through these targets using a set of linear constraints while also minimizing the variance resulting from unknown signal sources. Two particular LCMV-based target detectors, the constrained energy minimization (CEM) and the target-constrained interference-minimization filter (TCIMF), are presented. In order to expand the ability of the LCMV-based target detectors to classification, the LCMV approach is further generalized so that the targets can be detected and classified simultaneously. By taking advantage of the LCMV-based filter structure, the LCMV-based target detectors and classifiers can be implemented by a QR-decomposition and be processed line-by-line in real time. The experiments using HYDICE and AVIRIS data are conducted to demonstrate their real time implementation.

原文???core.languages.en_GB???
頁(從 - 到)760-768
頁數9
期刊IEEE Transactions on Geoscience and Remote Sensing
39
發行號4
DOIs
出版狀態已出版 - 4月 2001

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