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- W2155323581 abstract "In this paper we introduce a multi-scale Gaussian Markov random field (GMRF) model and a corresponding anomaly subspace detection algorithm. Natural clutter images, often appear to have several periodical patterns of various period lengths. In such cases, the GMRF model may not sufficiently describe the clutter image. The proposed model is based on a multi-scale wavelet representation of the image, independent component analysis, and modeling each independent component as a GMRF. Anomaly detection is subsequently carried out by applying a matched subspace detector to the innovations process generated by the presumed model. The robustness of the proposed approach is demonstrated with application to automatic target detection in synthetic and real imagery. A quantitative performance analysis and experimental results demonstrate the advantage of the proposed method in comparison to competing methods." @default.
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- W2155323581 date "2005-03-01" @default.
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- W2155323581 title "Anomaly subspace detection based on a multi-scale Markov random field model" @default.
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- W2155323581 doi "https://doi.org/10.1016/j.sigpro.2004.10.013" @default.
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