Abstract
One of the problems that hinders the application of conventional methods for shape-from-shading to the analysis of shiny objects is the presence of local highlights. The first of these are specularities which appear at locations on the viewed object where the local surface normal is the bisector of the light source and viewing directions. Highlights also occur at the occluding limb of the object where roughness results in backscattering from microfacets which protrude above the surface. In this paper, we consider how to subtract both types of highlight from shiny surfaces in order to improve the quality of surface normal information recoverable using shape-from-shading.
Sponsored by the university of Bu-Ali Sina, Hamedan, Iran.
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Ragheb, H., Hancock, E.R. (2002). Shape-from-Shading for Highlighted Surfaces. In: Caelli, T., Amin, A., Duin, R.P.W., de Ridder, D., Kamel, M. (eds) Structural, Syntactic, and Statistical Pattern Recognition. SSPR /SPR 2002. Lecture Notes in Computer Science, vol 2396. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-70659-3_60
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