简介：Anewgray-spatialhistogramisproposed,whichincorporatesspatialinformationwithgraycompositionswithoutsacrificingtherobustnessoftraditionalgrayhistograms.Thepurposeistoconsidertherepresentationroleofgraycompositionsandspatialinformationsimultaneously.Eachentryinthegray-spatialhistogramisthegrayfrequencyandcorrespondingpositioninformationofimages.Intheexperimentsofsonarimagerecognition,theresultsshowthatthegray-spatialhistogramiseffectiveinpracticaluse.
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