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STOC
2007
ACM
98views Algorithms» more  STOC 2007»
14 years 8 months ago
Negative weights make adversaries stronger
The quantum adversary method is one of the most successful techniques for proving lower bounds on quantum query complexity. It gives optimal lower bounds for many problems, has ap...
Peter Høyer, Troy Lee, Robert Spalek
ICIP
2009
IEEE
13 years 5 months ago
Main subject detection via adaptive feature selection
In this paper we present an algorithm which uses adaptive selection of low-level features for main subject detection. The algorithm first computes low-level features such as contr...
Cuong T. Vu, Damon M. Chandler
ECCV
2000
Springer
14 years 9 months ago
Divergence-Based Medial Surfaces
The medial surface of a volumetric object is of significant interest for shape analysis. However, its numerical computation can be subtle. Methods based on Voronoi techniques prese...
Sylvain Bouix, Kaleem Siddiqi
APCCAS
2006
IEEE
323views Hardware» more  APCCAS 2006»
14 years 2 months ago
Real-Time Implementation of a Particle Filter with Integrated Voice Activity Detector for Acoustic Speaker Tracking
— In noisy and reverberant environments, the problem of acoustic source localisation and tracking (ASLT) using an array of microphones presents a number of challenging difficult...
Anders M. Johansson, Eric A. Lehmann, Sven Nordhol...
SAS
2001
Springer
14 years 10 days ago
Solving Regular Tree Grammar Based Constraints
This paper describes the precise speci cation, design, analysis, implementation, and measurements of an e cient algorithm for solving regular tree grammar based constraints. The p...
Yanhong A. Liu, Ning Li, Scott D. Stoller