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COMPGEOM
2004
ACM
15 years 10 months ago
Deterministic sampling and range counting in geometric data streams
We present memory-efficient deterministic algorithms for constructing -nets and -approximations of streams of geometric data. Unlike probabilistic approaches, these deterministic...
Amitabha Bagchi, Amitabh Chaudhary, David Eppstein...
MMSEC
2004
ACM
133views Multimedia» more  MMSEC 2004»
15 years 10 months ago
Data hiding on 3D polygonal meshes
This paper presents a high-capacity method to embed information into the geometry of a 3D polygonal mesh. The method extends a previously reported work, to which several improveme...
Yannick Maret, Touradj Ebrahimi
ICA
2004
Springer
15 years 10 months ago
Some Gradient Based Joint Diagonalization Methods for ICA
Abstract. We present a set of gradient based orthogonal and nonorthogonal matrix joint diagonalization algorithms. Our approach is to use the geometry of matrix Lie groups to devel...
Bijan Afsari, Perinkulam S. Krishnaprasad
ICSM
2003
IEEE
15 years 9 months ago
A Framework for Understanding Conceptual Changes in Evolving Source Code
As systems evolve, they become harder to understand because the implementation of concepts (e.g. business rules) becomes less coherent. To preserve source code comprehensibility, ...
Nicolas Gold, Andrew Mohan
COMPGEOM
2003
ACM
15 years 9 months ago
Loops in reeb graphs of 2-manifolds
Given a Morse function over a 2-manifold with or without boundary, the Reeb graph is obtained by contracting the connected components of the level sets to points. We prove tight u...
Kree Cole-McLaughlin, Herbert Edelsbrunner, John H...