Description: Abstract：Because only the gray scale information is utilized．the SIFT method can’t differentiate the objects with similar shape
but with diferent colors commendably．1,1 order to solve such problem．presents a color—based SIF I feature point detecting method
and analyzs the method’S performance in temas of diferent color models The method detected interest points in the gray image
scale space，and its eigem eetors al’e composed of the mean 、 alues of different color model components in each subregion and are
computed based on the Ol。iginal color images．Tile experimental results have proved its validity
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