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RT
1995
Springer
15 years 7 months ago
Reconstruction of Illumination from Area Luminaires
This paper is concerned with the e cient reconstruction of illumination from area luminaires. We outline a 2-pass scheme a lightpass, tracing ray bundles from the luminaires follow...
Steven Collins
RT
1997
Springer
15 years 8 months ago
Incremental Updates to Scenes Illuminated by Area Light Sources
Abstract: An object space algorithm for computing shadows in dynamic scenes illuminated by area light sources is presented. A mesh with the shadow boundaries as well as other disco...
Yiorgos Chrysanthou, Mel Slater
105
Voted
FGR
2000
IEEE
114views Biometrics» more  FGR 2000»
15 years 8 months ago
Wide-Range, Person- and Illumination-Insensitive Head Orientation Estimation
We present an algorithm for estimation of head orientation, given cropped images of a subject’s head from any viewpoint. Our algorithm handles dramatic changes in illumination, ...
Ying Wu, Kentaro Toyama
ICIP
2008
IEEE
15 years 10 months ago
Efficient motion estimation under varying illumination
In this paper, we show how to estimate, accurately and efficiently, the 3D motion of a rigid or non-rigid object, and time-varying lighting in a dynamic scene. This is achieved i...
Yilei Xu, Amit K. Roy Chowdhury
PG
2007
IEEE
15 years 10 months ago
Illumination Brush: Interactive Design of All-Frequency Lighting
We present an appearance-based user interface for artists to efficiently design customized image-based lighting environments. 1 Our approach avoids typical iterations of paramete...
Makoto Okabe, Yasuyuki Matsushita, Li Shen, Takeo ...