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eliminate pixel groups by minimum area

Question asked by mov_hp on Dec 11, 2013
Latest reply on Dec 11, 2013 by Dan_Patterson
I have a raster with two classes - 1 and 2. I want to eliminate pixel groups with area less then 5 sq km, in a way that the pixel groups lesser than 5 sq km from either class is merged in the surrounding class. how can i do it in ArcGIS?

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