Outlier Detection in Hyperspectral Imagery Using Closest Distance to Center with Ellipsoidal Multivariate Trimming
Ryan F. Caulk
Broschiertes Buch

Outlier Detection in Hyperspectral Imagery Using Closest Distance to Center with Ellipsoidal Multivariate Trimming

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Many multivariate techniques are available to find outliers in a hyperspectral image. Among the algorithms one may utilize is a global anomaly detector called Ellipsoidal Multivariate Trimming (MVT). In this paper we tested the efficacy of using the Closest Distance to Center (CDC) algorithm in conjunction with MVT to find outliers among a hyperspectral image. Since MVT is a global anomaly detector the images were first clustered using a variety of techniques. Among the hyperspectral images used for evaluation in this study, only one of the images contained more than 5% outliers in any given c...