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PODS
2008
ACM
170views Database» more  PODS 2008»
14 years 7 months ago
Answering aggregate queries in data exchange
Data exchange, also known as data translation, has been extensively investigated in recent years. One main direction of research has focused on the semantics and the complexity of...
Foto N. Afrati, Phokion G. Kolaitis
CLEAR
2007
Springer
208views Biometrics» more  CLEAR 2007»
14 years 1 months ago
Head Orientation Estimation Using Particle Filtering in Multiview Scenarios
Abstract. This paper presents a novel approach to the problem of determining head pose estimation and face 3D orientation of several people in low resolution sequences from multipl...
Cristian Canton-Ferrer, Josep R. Casas, Montse Par...
TACAS
2005
Springer
108views Algorithms» more  TACAS 2005»
14 years 25 days ago
On Some Transformation Invariants Under Retiming and Resynthesis
Transformations using retiming and resynthesis operations are the most important and practical (if not the only) techniques used in optimizing synchronous hardware systems. Althoug...
Jie-Hong Roland Jiang
MICCAI
1998
Springer
13 years 11 months ago
Segmentation and Measurement of the Cortex from 3D MR Images
The cortex is the outermost thin layer of gray matter in the brain; geometric measurement of the cortex helps in understanding brain anatomy and function. In the quantitative analy...
Xiaolan Zeng, Lawrence H. Staib, Robert T. Schultz...
COMPGEOM
2010
ACM
14 years 13 days ago
Finding shortest non-trivial cycles in directed graphs on surfaces
Let D be a weighted directed graph cellularly embedded in a surface of genus g, orientable or not, possibly with boundary. We describe algorithms to compute a shortest non-contrac...
Sergio Cabello, Éric Colin de Verdiè...