Abstract: This paper deals with the problem of texture classification: a new coding images has been developed. The first interest of this article is the presentation of a new approach for texture analysis based on pretopology: pretopology is a mathematical area which generalizes, in our case, mathematical morphology. Instead of using only one structuring element to make transformations on an image, we can use a basis of structuring elements. We can recreate the mathematical-morphology transformations like dilation and erosion, but we can build new transformations, thinner or coarser than dilation or erosion. More over, we can use the all mathematical knowledges of pretopology. The second part of this article presents the coding images based on the pretopological approach: it uses a basis of four structuring elements. One gray scale image is coded by two images of 15 colors. We try to determinate the discrimining capacity of the coding images.!20
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