Accurately estimating reflectance parameters for color and gloss reproduction
Computer Vision and Image Understanding
International Journal of Computer Vision
Shape from second-bounce of light transport
ECCV'10 Proceedings of the 11th European conference on Computer vision: Part II
Inverse global illumination rendering for dense estimation of surface reflectance properties
SCIA'05 Proceedings of the 14th Scandinavian conference on Image Analysis
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In mixed reality, especially in augmented virtuality whichvirtualizes real objects, it is important to estimate objectsurface reflectance properties to render the objects underarbitrary illumination conditions. Though several methods have beenexplored to estimate the surface reflectance properties, it isstill difficult to estimate surface reflectance parametersfaithfully for complex objects which have non-uniform surfacereflectance properties and exhibitinter reflections. This paperdescribes a new method for densely estimating non-uniform surfacereflectance properties of real objects constructed of convex andconcave surfaces with interreflections. We use registered range andsurface color texture images obtained by a laser range finder.Experiments show the usefulness of the proposed method.