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Surface topography refers to the geometric micro-structure of a surface anddefines its tactile characteristics (typically in the sub-millimeter range).High-resolution 3D scanning techniques developed recently enable the 3Dreconstruction of surfaces including their surface topography. In his paper, wepresent an efficient image-space technique for the extraction of surfacetopography from high-resolution 3D reconstructions. Additionally, we filternoise and enhance topographic attributes to obtain an improved representationfor subsequent topography classification. Comprehensive experiments show thatthe our representation captures well topographic attributes and significantlyimproves classification performance compared to alternative 2D and 3Drepresentations.

Efficient Image-Space Extraction and Representation of 3D Surface Topography