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In this letter, a new geometric matched filter (MF) is proposed by combining the standard MF with concepts of convex geometry. The purpose of the method is twofold: for subpixel target detection and for partial unmixing of a hyperspectral image. In standard matched filtering, the filter is designed based on the background statistics of the entire image, which works fine for rare targets but fails...
In this paper, a new geometric matched filter is presented by combining the standard matched filtering with concepts of convex geometry. The purpose of the method is partial unmixing of a hyperspectral image, where an estimate is given for the relative contribution of each pixel to a specific target spectrum. In standard matched filtering, the filter is designed based on the background statistics...
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