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» Approximation in quantale-enriched categories
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TOG
2010
157views more  TOG 2010»
14 years 4 months ago
Combining global and local virtual lights for detailed glossy illumination
Accurately rendering glossy materials in design applications, where previewing and interactivity are important, remains a major challenge. While many fast global illumination solu...
Tomás Davidovic, Jaroslav Krivánek, ...
ATAL
2011
Springer
13 years 10 months ago
Quality guarantees for region optimal DCOP algorithms
k- and t-optimality algorithms [9, 6] provide solutions to DCOPs that are optimal in regions characterized by its size and distance respectively. Moreover, they provide quality gu...
Meritxell Vinyals, Eric Shieh, Jesús Cerqui...
STOC
2012
ACM
221views Algorithms» more  STOC 2012»
13 years 17 days ago
From query complexity to computational complexity
We consider submodular optimization problems, and provide a general way of translating oracle inapproximability results arising from the symmetry gap technique to computational co...
Shahar Dobzinski, Jan Vondrák
EDBT
2012
ACM
224views Database» more  EDBT 2012»
13 years 15 days ago
Aggregate queries on probabilistic record linkages
Record linkage analysis, which matches records referring to the same real world entities from different data sets, is an important task in data integration. Uncertainty often exi...
Ming Hua, Jian Pei
ICIP
2005
IEEE
15 years 11 months ago
Statistical categorization of human histological images
Histology is the science of understanding the structure of animals and plants, and studying the functional implications of biological structures. In this paper, we propose a stati...
Dehua Zhao, Yixin Chen, Nelson Correa