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PSIVT
2007
Springer
125views Multimedia» more  PSIVT 2007»
14 years 4 months ago
Studying the GOP Size Impact on the Performance of a Feedback Channel-Based Wyner-Ziv Video Codec
Wyner-Ziv video coding has become one of the hottest research topics in the video coding community due to the conceptual, theoretical and functional novelties it brings. Among the ...
Fernando Pereira, João Ascenso, Catarina Br...
MIA
2011
135views more  MIA 2011»
13 years 1 months ago
A comprehensive study of stent visualization enhancement in X-ray images by image processing means
In this work we propose a comprehensive study of Digital Stent Enhancement (DSE), from the analysis of requirements to the validation of the proposed solution. First, we derive th...
Vincent Bismuth, Régis Vaillant, Fran&ccedi...
AAAI
2000
13 years 11 months ago
Depth-First Branch-and-Bound versus Local Search: A Case Study
Depth-first branch-and-bound (DFBnB) is a complete algorithm that is typically used to find optimal solutions of difficult combinatorial optimization problems. It can also be adap...
Weixiong Zhang
DAM
2006
89views more  DAM 2006»
13 years 10 months ago
First vs. best improvement: An empirical study
When applying the 2-opt heuristic to the travelling salesman problem, selecting the best improvement at each iteration gives worse results on average than selecting the first impr...
Pierre Hansen, Nenad Mladenovic
GIS
2009
ACM
14 years 11 months ago
Map Matching and Uncertainty: an Algorithm and Real-World Experiments
A common problem in moving object databases (MOD) is the reconstruction of a trajectory from a trajectory sample (i.e., a finite sequence of time-space points). A typical solution...
Alejandro A. Vaisman, Bart Kuijpers, Bart Moelans,...