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ESORICS
2009
Springer
16 years 5 months ago
Towards a Theory of Accountability and Audit
Accountability mechanisms, which rely on after-the-fact verification, are an attractive means to enforce authorization policies. In this paper, we describe an operational model of ...
Radha Jagadeesan, Alan Jeffrey, Corin Pitcher, Jam...

Publication
353views
16 years 3 months ago
Shape from Shading with Perspective Projection
Most conventional SFS (shape from shading) algorithms have been developed under the assumption of orthographic projection. However, the assumption is not valid when an object is no...
Kyoung Mu Lee (Seoul National University), C.-C. J...
SIGGRAPH
1997
ACM
15 years 9 months ago
A framework for realistic image synthesis
Our goal is to develop physically based lighting models and perceptually based rendering procedures for computer graphics that will produce synthetic images that are visually and ...
Donald P. Greenberg, Kenneth E. Torrance, Peter Sh...
158
Voted
CRV
2006
IEEE
176views Robotics» more  CRV 2006»
15 years 7 months ago
Stereo Retinex
The retinex algorithm for lightness and color constancy is extended to include 3-dimensional spatial information reconstructed from a stereo image. A key aspect of traditional ret...
Weihua Xiong, Brian V. Funt
CATS
2006
15 years 6 months ago
On the Logical Implication of Multivalued Dependencies with Null Values
The implication of multivalued dependencies (MVDs) in relational databases has originally been defined in the context of some fixed finite universe (Fagin 1977, Zaniolo 1976). Whi...
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