125 search results - page 9 / 25 » Directional functions for orientation distribution estimatio... |
CLIN
2003
15 years 21 days ago
2003
A statistical estimator attempts to guess an unknown probability distribution by analyzing a sample from this distribution. One desirable property of an estimator is that its gues...
SIGGRAPH
1992
ACM
15 years 3 months ago
1992
ACM
We describe a physically-based Monte Carlo technique for approximating bidirectional reflectance distribution functions (BRDFs) for a large class of geometries by directly simulat...
PG
2007
IEEE
15 years 5 months ago
2007
IEEE
Standard density estimation approaches suffer from visible bias due to low-pass filtering of the lighting function. Therefore, most photon density estimation methods have been us...
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ICDM
2009
IEEE
15 years 6 months ago
2009
IEEE
Quantile regression refers to the process of estimating the quantiles of a conditional distribution and has many important applications within econometrics and data mining, among ...
ICIP
2009
IEEE
16 years 10 days ago
2009
IEEE
We propose an illumination invariant and rotation insensitive texture representation based on a Markovian textural model. A texture is aligned with its dominant orientation and te...