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COMPGEOM
2006
ACM
15 years 1 months ago
I/O-efficient batched union-find and its applications to terrain analysis
Despite extensive study over the last four decades and numerous applications, no I/O-efficient algorithm is known for the union-find problem. In this paper we present an I/O-effic...
Pankaj K. Agarwal, Lars Arge, Ke Yi
CVPR
2008
IEEE
15 years 12 months ago
Cost-sensitive face recognition
Traditional face recognition systems attempt to achieve a high recognition accuracy, which implicitly assumes that the losses of all misclassifications are the same. However, in m...
Yin Zhang, Zhi-Hua Zhou
AI
2007
Springer
15 years 4 months ago
Planning in Multiagent Expedition with Collaborative Design Networks
DEC-POMDPs provide formal models of many cooperative multiagent problems, but their complexity is NEXP-complete in general. We investigate a sub-class of DEC-POMDPs termed multiage...
Yang Xiang, Franklin Hanshar
ISMAR
2005
IEEE
15 years 3 months ago
A Polarized Head-Mounted Projective Display
The lack of image brightness is a common problem in optical see-through head-mounted displays (OST-HMD) where a beamsplitter is required to combine views from HMD image source and...
Hong Hua, Chunyu Gao
DIS
2004
Springer
15 years 3 months ago
Mining Noisy Data Streams via a Discriminative Model
The two main challenges typically associated with mining data streams are concept drift and data contamination. To address these challenges, we seek learning techniques and models ...
Fang Chu, Yizhou Wang, Carlo Zaniolo