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ICIP
2006
IEEE
14 years 10 months ago
Theoretical Model of the Coding Error in MCWT Video Coders
In motion-compensated wavelet based video coders (MCWT), it is known that a precise motion estimation is necessary to minimize the wavelet coefficients energy. However, a motion v...
Marie Andrée Agostini, Marc Antonini
LREC
2008
117views Education» more  LREC 2008»
13 years 10 months ago
Evolutionary Basic Notions for a Thematic Representation of General Knowledge
In the field of Natural Language Processing, in order to work out a thematic representation system of general knowledge, methods relying on thesaurus have been used for about twen...
Alain Joubert, Mathieu Lafourcade
VIS
2007
IEEE
108views Visualization» more  VIS 2007»
14 years 10 months ago
Efficient Visualization of Lagrangian Coherent Structures by Filtered AMR Ridge Extraction
This paper presents a method for filtered ridge extraction based on adaptive mesh refinement. It is applicable in situations where the underlying scalar field can be refined during...
Filip Sadlo, Ronald Peikert
VIS
2004
IEEE
174views Visualization» more  VIS 2004»
14 years 10 months ago
A Graphics Hardware-Based Vortex Detection and Visualization System
Feature detection in flow fields is a well researched area, but practical application is often difficult due to the numerical complexity of the algorithms preventing interactive u...
Simon Stegmaier, Thomas Ertl
CVPR
2003
IEEE
14 years 11 months ago
Flux Driven Fly Throughs
We present a fast, robust and automatic method for computing central paths through tubular structures for application to virtual endoscopy. The key idea is to utilize a medial sur...
Sylvain Bouix, Kaleem Siddiqi, Allen Tannenbaum