“The free-form light stage” by Masselus, Dutré and Anrys
Conference:
Type(s):
Interest Area:
- Application
Title:
- The free-form light stage
Session/Category Title: Lighting
Presenter(s)/Author(s):
Abstract:
The Free-form Light Stage captures the reflectance field of an object using a freely movable, hand-held light source. By photographing the object under different illumination conditions, we are able to render the object under any lighting condition, using a linear combination of basis images. Our technique builds on recent techniques, such as the Light Stage [Debevec et al. 2000], where light sources are placed at fixed and known positions (e.g. using a gantry). We remove this limitation, and put no restrictions on light source placement.
References:
1. Debevec, P., Hawkins, T., Tchou, C., Duiker, H.-P., Sarokin, W., and Sagar, M. 2000. Acquiring the reflectance field of a human face. In Proceedings of SIGGRAPH 2000, K. Akeley, Ed., Computer Graphics Proceedings, Annual Conference Series, ACM Siggraph, 145–156.
2. Lee, C. H., and Rosenfeld, A. 1985. Improved methods of estimating shape from shading using the light source coordinate system. Artificial Intelligence 26, 125–143.
