Acquiring the reflectance field of a human face
Proceedings of the 27th annual conference on Computer graphics and interactive techniques
Rapid acquisition of specular and diffuse normal maps from polarized spherical gradient illumination
EGSR'07 Proceedings of the 18th Eurographics conference on Rendering Techniques
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Image-based relighting is a powerful technique for synthesizing images of a scene under novel illumination conditions, based on a set of input photographs. While successful relighting methods exist, they either require many photographs [Debevec et al. 2000], or operate on a limited class of materials or illumination conditions [Ma et al. 2007][Ramamoorthi 2006].