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ICIP
2006
IEEE
16 years 6 months ago
Improved Unsymmetric-Cross Multi-Hexagon-Grid Search Algorithm for Fast Block Motion Estimation
We develop a set of new motion estimation (ME) algorithms based mainly on Unsymmetric-Cross Multi-Hexagon-Grid Search (UMH). The original algorithms are improved by applying the S...
Janne Heikkilä, Tuukka Toivonen
ICDE
2006
IEEE
266views Database» more  ICDE 2006»
16 years 6 months ago
Approximation Techniques for Indexing the Earth Mover's Distance in Multimedia Databases
Todays abundance of storage coupled with digital technologies in virtually any scientific or commercial application such as medical and biological imaging or music archives deal w...
Ira Assent, Andrea Wenning, Thomas Seidl
VIS
2004
IEEE
170views Visualization» more  VIS 2004»
16 years 6 months ago
Guaranteed Quality Triangulation of Molecular Skin Surfaces
We present an efficient algorithm to mesh the macromolecules surface model represented by the skin surface defined by Edelsbrunner. Our algorithm overcomes several challenges resi...
Ho-Lun Cheng, Xinwei Shi
DCC
2005
IEEE
16 years 4 months ago
A Point-Set Compression Heuristic for Fiber-Based Certificates of Authenticity
A certificate of authenticity (COA) is an inexpensive physical object that has a random unique structure with high cost of near-exact reproduction. An additional requirement is th...
Darko Kirovski
KDD
2009
ACM
146views Data Mining» more  KDD 2009»
15 years 11 months ago
Online allocation of display advertisements subject to advanced sales contracts
In this paper we propose a utility model that accounts for both sales and branding advertisers. We first study the computational complexity of optimization problems related to bo...
Saeed Alaei, Esteban Arcaute, Samir Khuller, Wenji...