32 search results - page 6 / 7 » Exploiting coherence of shadow rays |
GRAPHICSINTERFACE
2007
13 years 9 months ago
2007
Acquired data often provides the best knowledge of a material’s bidirectional reflectance distribution function (BRDF). Its integration into most real-time rendering systems re...
ICIP
2003
IEEE
14 years 9 months ago
2003
IEEE
Orthogonal Frequency Division Multiplexing (OFDM) has been adopted in many broadband wireless communication standards. In OFDM systems, channel estimation is a crucial module in co...
RT
2000
Springer
13 years 11 months ago
2000
Springer
Abstract. We present a new hybrid rendering method for interactive walkthroughs in photometrically complex environments. The display process starts from some approximation of the s...
TSP
2008
13 years 7 months ago
2008
We propose a new two-stage approach to estimate the nominal angles of arrival (AoAs) and the angular spreads (ASs) of multiple locally scattered sources using a uniform linear arra...
ICCV
2001
IEEE
14 years 9 months ago
2001
IEEE
W e address an open and hitherto neglected problem in computer vision, how to reconstruct the geometry of objects with arbitrary and possibly anisotropic bidirectional reflectance...