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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Vol. 10, Iss. 1 — Jan. 10, 2012
  • pp: 013001–

Rapid matching algorithm for hyperspectral image based on norm sifting

Hao Li, Yong Ma, Kun Liang, and Yin Yu  »View Author Affiliations


Chinese Optics Letters, Vol. 10, Issue 1, pp. 013001- (2012)


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Abstract

We propose a rapid spectral matching method by lowering number of comparisons, processing time can be saved. Firstly, 1-norm is chosen as length measure of spectrum, and with this criterion, a 1-norm database is built. Secondly, a subspace is constructed from the whole reference library by retaining the references with the most similar 1-norm values. Finally, matching operations are performed in the subspace to obtain the match result. Simulations of geological mapping with ASTER spectral library show that the proposed method can significantly reduce processing time and enhance accuracy compared with traditional and dimension reduction methods.

© 2012 Chinese Optics Letters

OCIS Codes
(300.6340) Spectroscopy : Spectroscopy, infrared
(280.4991) Remote sensing and sensors : Passive remote sensing

Citation
Hao Li, Yong Ma, Kun Liang, and Yin Yu, "Rapid matching algorithm for hyperspectral image based on norm sifting," Chin. Opt. Lett. 10, 013001- (2012)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-10-1-013001

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