2018
DOI: 10.3390/rs10071033
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A Preprocessing Method for Hyperspectral Target Detection Based on Tensor Principal Component Analysis

Abstract: Traditional target detection (TD) algorithms for hyperspectral imagery (HSI) typically suffer from background interference. To alleviate this problem, we propose a novel preprocessing method based on tensor principal component analysis (TPCA) to separate the background and target apart. With the use of TPCA, HSI is decomposed into a principal component part and a residual part with the spatial-spectral information of the HSI being fully exploited, and TD is performed on the latter. Moreover, an effective disti… Show more

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Cited by 33 publications
(8 citation statements)
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“…The signs of the values in t are not important, as they only denote the direction of autocorrelation. Therefore, the absolute values of t are employed in Equation (5). Since R is a positive matrix, e also has positive elements in Equation (4).…”
Section: Autocorrelation-based Feature Selection (Afs)mentioning
confidence: 99%
See 4 more Smart Citations
“…The signs of the values in t are not important, as they only denote the direction of autocorrelation. Therefore, the absolute values of t are employed in Equation (5). Since R is a positive matrix, e also has positive elements in Equation (4).…”
Section: Autocorrelation-based Feature Selection (Afs)mentioning
confidence: 99%
“…(1) For target d L×1 , the TD projector k L×1 in Equation (1) is constructed while using the autocorrelation matrix R L×L defined in Equation (2). (2) e L×1 and t L×1 are calculated based on Equations (4) and (5). (3) For feature f i , the a i is obtained, as follows:…”
Section: Autocorrelation-based Feature Selection (Afs)mentioning
confidence: 99%
See 3 more Smart Citations