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» The Structure of Factor Oracles
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GIS
2002
ACM
15 years 6 months ago
Calibration of stochastic cellular automata: the application to rural-urban land conversions
Despite the recognition of cellular automata (CA) as a exible and powerful tool for urban growth simulation, the calibration of CA had been largely heuristic until recent eVorts to...
Fulong Wu
SIAMCOMP
2000
88views more  SIAMCOMP 2000»
15 years 6 months ago
Gadgets, Approximation, and Linear Programming
We present a linear programming-based method for nding \gadgets", i.e., combinatorial structures reducing constraints of one optimization problem to constraints of another. A...
Luca Trevisan, Gregory B. Sorkin, Madhu Sudan, Dav...
SIAMJO
2000
74views more  SIAMJO 2000»
15 years 6 months ago
A Specialized Interior-Point Algorithm for Multicommodity Network Flows
Abstract. Despite the efficiency shown by interior-point methods in large-scale linear programming, they usually perform poorly when applied to multicommodity flow problems. The ne...
Jordi Castro
AROBOTS
1999
140views more  AROBOTS 1999»
15 years 6 months ago
A Robust Analog VLSI Motion Sensor Based on the Visual System of the Fly
Sensing visual motion gives a creature valuable information about its interactions with the environment. Flies in particular use visual motion information to navigate through turbu...
Reid R. Harrison, Christof Koch
PRL
2002
115views more  PRL 2002»
15 years 6 months ago
A generic fuzzy rule based image segmentation algorithm
Fuzzy rule based image segmentation techniques tend in general, to be application dependent with the structure of the membership functions being predefined and in certain cases, t...
Gour C. Karmakar, Laurence Dooley