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CVPR
2009
IEEE
16 years 11 months ago
Single-Image Optical Center Estimation from Vignetting and Tangential Gradient Symmetry
In this paper, we propose a method for estimating the optical center of a camera given only a single image with vignetting. This is accomplished by identifying the center of the...
Yuanjie Zheng (University Of Delaware), Chandra Ka...
ICIP
2008
IEEE
16 years 6 months ago
Learning distance metric for semi-supervised image segmentation
Semi-supervised image segmentation is an important issue in many image processing applications, and has been a popular research area recently, the most popular are graph-based met...
Yangqing Jia, Changshui Zhang
WWW
2008
ACM
16 years 5 months ago
Plurality: a context-aware personalized tagging system
We present the design of Plurality,1 an interactive tagging system. Plurality's modular architecture allows users to automatically generate high-quality tags over Web content...
Robert Graham, Brian Eoff, James Caverlee
WWW
2008
ACM
16 years 5 months ago
Finding core members in virtual communities
Finding the core members of a virtual community is an important problem in community analysis. Here we presented an simulated annealing algorithm to solve this problem by optimizi...
Haiqiang Chen, Xueqi Cheng, Yue Liu
163
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SIGMOD
2001
ACM
165views Database» more  SIGMOD 2001»
16 years 4 months ago
Mining System Audit Data: Opportunities and Challenges
Intrusion detection is an essential component of computer security mechanisms. It requires accurate and efficient analysis of a large amount of system and network audit data. It c...
Wenke Lee, Wei Fan