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AUSAI
2010
Springer
15 years 2 months ago
A Heuristic on Effective and Efficient Clustering on Uncertain Objects
We study the problem of clustering uncertain objects whose locations are uncertain and described by probability density functions. We analyze existing pruning algorithms and experi...
Edward Hung, Lei Xu, Chi-Cheong Szeto
IOR
2010
71views more  IOR 2010»
15 years 1 months ago
Stochastic Root Finding and Efficient Estimation of Convex Risk Measures
Reliable risk measurement is a key problem for financial institutions and regulatory authorities. The current industry standard Value-at-Risk has several deficiencies. Improved ri...
Jörn Dunkel, Stefan Weber
ICMCS
2007
IEEE
203views Multimedia» more  ICMCS 2007»
15 years 11 months ago
Efficient Video Object Segmentation by Graph-Cut
Segmentation of video objects from background is a popular computer vision problem and has many important applications. Most existing methods are either computationally expensive ...
Jinjun Wang, Wei Xu, Shenghuo Zhu, Yihong Gong
PVLDB
2008
123views more  PVLDB 2008»
15 years 4 months ago
Efficient implementation of sorting on multi-core SIMD CPU architecture
Sorting a list of input numbers is one of the most fundamental problems in the field of computer science in general and high-throughput database applications in particular. Althou...
Jatin Chhugani, Anthony D. Nguyen, Victor W. Lee, ...
CG
1999
Springer
15 years 4 months ago
A visibility algorithm for hybrid geometry- and image-based modeling and rendering
Hybrid geometry- and image-based modeling and rendering systems use photographs taken of a real-world environment and mapped onto the surfaces of a 3D model to achieve photorealis...
Thomas A. Funkhouser