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» Graphical and Computational Representation of Groups
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DCC
2001
IEEE
14 years 9 months ago
The Invariants of the Clifford Groups
The automorphism group of the Barnes-Wall lattice Lm in dimension 2m (m = 3) is a subgroup of index 2 in a certain "Clifford group" Cm of structure 21+2m + .O+ (2m, 2). ...
Gabriele Nebe, Eric M. Rains, Neil J. A. Sloane
DCC
2004
IEEE
14 years 9 months ago
Group Testing for Video Compression
Hong and Ladner [6] used context-based group testing to implement bitplane coding for image compression. We extend this technique to video coding, by replacing the quantization an...
Gidon Shavit, Michael F. Ringenburg, Jeff West, Ri...
SIBGRAPI
2005
IEEE
14 years 3 months ago
Curvature Motion for Union of Balls
This work proposes a scheme for multi–resolution representation of union of balls in the plane. This representation is inspired by curvature motion for smooth curves. More precis...
Thomas Lewiner, Cynthia O. L. Ferreira, Marcos Cra...
EMMCVPR
2005
Springer
14 years 3 months ago
Object Categorization by Compositional Graphical Models
This contribution proposes a compositionality architecture for visual object categorization, i.e., learning and recognizing multiple visual object classes in unsegmented, cluttered...
Björn Ommer, Joachim M. Buhmann
SAC
2003
ACM
14 years 2 months ago
Design and Implementation of a Graphical Interface to Xquery
As the use of XML is rapidly growing, a growing number of users without programming skills will need to query XML data. Although designed to be easily understood by humans, XQuery...
Enrico Augurusa, Daniele Braga, Alessandro Campi, ...