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» Directionally Dependent Light Sources
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NPAR
2000
ACM
14 years 2 months ago
Line direction matters: an argument for the use of principal directions in 3D line drawings
While many factors contribute to shape perception, psychological research indicates that the direction of lines on the surface may have an important influence. This is especially ...
Ahna Girshick, Victoria Interrante, Steven Haker, ...
EMNLP
2011
12 years 9 months ago
Multi-Source Transfer of Delexicalized Dependency Parsers
We present a simple method for transferring dependency parsers from source languages with labeled training data to target languages without labeled training data. We first demons...
Ryan T. McDonald, Slav Petrov, Keith Hall
VC
2008
132views more  VC 2008»
13 years 9 months ago
Caustic spot light for rendering caustics
It is difficult to render caustic patterns at interactive frame rates. This paper introduces new rendering techniques that relax current constraints, allowing scenes with moving, n...
Xinguo Liu, Zhao Dong, Hujun Bao, Qunsheng Peng
CGF
2008
111views more  CGF 2008»
13 years 10 months ago
An Analysis of the In-Out BRDF Factorization for View-Dependent Relighting
Interactive rendering with dynamic natural lighting and changing view is a long-standing goal in computer graphics. Recently, precomputation-based methods for all-frequency religh...
Dhruv Mahajan, Yu-Ting Tseng, Ravi Ramamoorthi
MMSEC
2005
ACM
129views Multimedia» more  MMSEC 2005»
14 years 3 months ago
Exposing digital forgeries by detecting inconsistencies in lighting
When creating a digital composite of, for example, two people standing side-by-side, it is often difficult to match the lighting conditions from the individual photographs. Lighti...
Micah K. Johnson, Hany Farid