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SCIA
2009
Springer
161views Image Analysis» more  SCIA 2009»
14 years 3 months ago
A Fast Optimization Method for Level Set Segmentation
Abstract. Level set methods are a popular way to solve the image segmentation problem in computer image analysis. A contour is implicitly represented by the zero level of a signed ...
Thord Andersson, Gunnar Läthén, Reiner...
SIGIR
2002
ACM
13 years 8 months ago
Effective collection metasearch in a hierarchical environment: global vs. localized retrieval performance
We compare standard global IR searching with user-centric localized techniques to address the database selection problem. We conduct a series of experiments to compare the retriev...
Jack G. Conrad, Changwen Yang, Joanne S. Claussen
ECTEL
2007
Springer
14 years 2 months ago
Improving the Search for Learning Objects with Keywords and Ontologies
We report on an ongoing project which aims at improving the eectiveness of retrieval and accessibility of learning object within learning management systems and learning object re...
Lothar Lemnitzer, Cristina Vertan, Alex Killing, K...
AAAI
2004
13 years 10 months ago
MAX-2-SAT: How Good Is Tabu Search in the Worst-Case?
Tabu search algorithms are amongst the most successful local search based methods for the maximum satisfiability problem. The practical superiority of tabu search over the local s...
Monaldo Mastrolilli, Luca Maria Gambardella
AAAI
2007
13 years 11 months ago
Synthesis of Constraint-Based Local Search Algorithms from High-Level Models
The gap in automation between MIP/SAT solvers and those for constraint programming and constraint-based local search hinders experimentation and adoption of these technologies and...
Pascal Van Hentenryck, Laurent D. Michel