Shadowing Dynamic Scenes with Arbitrary BRDFs
Derek Nowrouzezahrai, Evangelos Kalogerakis, Eugene Fiume
In Computer Graphics Forum, 28(2), 2009.
Abstract: We present a real-time relighting and shadowing method for dynamic scenes with varying lighting, view and BRDFs. Our approach is based on a compact representation of reflectance data that allows for changing the BRDF at run-time and a data-driven method for accurately synthesizing self-shadows on articulated and deformable geometries. Unlike previous self-shadowing approaches, we do not rely on local blocking heuristics. We do not fit a model to the BRDF-weighted visibility, but rather only to the visibility that changes during animation. In this manner, our model is more compact than previous techniques and requires less computation both during fitting and at run-time. Our reflectance product operators can re-integrate arbitrary low-frequency view-dependent BRDF effects on-the-fly and are compatible with all previous dynamic visibility generation techniques as well as our own data-driven visibility model. We apply our reflectance product operators to three different visibility generation models, and our data-driven model can achieve framerates well over 300Hz.
Keyword(s): Computer Graphics [I.3.7]: Color, shading, shadowing, and texture
Article URL: http://dx.doi.org/10.1111/j.1467-8659.2009.01364.x
BibTeX format:
@article{CGF:CGF1364,
  author = {Derek Nowrouzezahrai and Evangelos Kalogerakis and Eugene Fiume},
  title = {Shadowing Dynamic Scenes with Arbitrary BRDFs},
  journal = {Computer Graphics Forum},
  volume = {28},
  number = {2},
  pages = {249--258},
  year = {2009},
}
Search for more articles by Derek Nowrouzezahrai.
Search for more articles by Evangelos Kalogerakis.
Search for more articles by Eugene Fiume.

Return to the search page.


graphbib: Powered by "bibsql" and "SQLite3."