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ICPR
2006
IEEE
14 years 8 months ago
Perspective Symmetry Invariant and Its Applications
Face is a perceptually symmetric object; however, it often appears not so in captured image due to the rotation in depth within the 3D space. In this paper, we explore the invaria...
Shuicheng Yan, Tianqiang Yuan, Xiaoou Tang
SARA
2005
Springer
14 years 1 months ago
Compositional Derivation of Symmetries for Constraint Satisfaction
This paper reconsiders the problems of discovering symmetries in constraint satisfaction problems (CSPs). It proposes a compositional approach which derives symmetries of the appli...
Pascal Van Hentenryck, Pierre Flener, Justin Pears...
AMAST
2006
Springer
13 years 11 months ago
A Computational Group Theoretic Symmetry Reduction Package for the Spin Model Checker
Abstract. Symmetry reduced model checking is hindered by two problems: how to identify state space symmetry when systems are not fully symmetric, and how to determine equivalence o...
Alastair F. Donaldson, Alice Miller
ASPDAC
2008
ACM
150views Hardware» more  ASPDAC 2008»
13 years 9 months ago
Constraint-free analog placement with topological symmetry structure
Abstract-- In analog circuits, blocks need to be placed symmetrically to satisfy the devices matching. Different from the existing constraint-driven approaches, the proposed topolo...
Qing Dong, Shigetoshi Nakatake
CVPR
2006
IEEE
14 years 9 months ago
Segmentation by Level Sets and Symmetry
Shape symmetry is an important cue for image understanding. In the absence of more detailed prior shape information, segmentation can be significantly facilitated by symmetry. How...
Tammy Riklin-Raviv, Nahum Kiryati, Nir A. Sochen