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» Some Results on Orthogonal Factorizations
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SODA
2008
ACM
200views Algorithms» more  SODA 2008»
14 years 11 months ago
Clustering for metric and non-metric distance measures
We study a generalization of the k-median problem with respect to an arbitrary dissimilarity measure D. Given a finite set P, our goal is to find a set C of size k such that the s...
Marcel R. Ackermann, Johannes Blömer, Christi...
DEBU
2008
165views more  DEBU 2008»
14 years 10 months ago
A Survey of Attack-Resistant Collaborative Filtering Algorithms
With the increasing popularity of recommender systems in commercial services, the quality of recommendations has increasingly become an important to study, much like the quality o...
Bhaskar Mehta, Thomas Hofmann
ETT
2006
88views Education» more  ETT 2006»
14 years 10 months ago
On the outage behaviour of large DS-CDMA systems with LMMSE detection
Abstract-- The outage behaviour of the single cell DSCDMA uplink is investigated for flat Rayleigh fading channels. Goal of the work is to find an analytical way for the optimisati...
Oliver Prätor, Gerhard Fettweis
TIFS
2008
113views more  TIFS 2008»
14 years 9 months ago
A Selective Feature Information Approach for Iris Image-Quality Measure
Poor quality images can significantly affect the accuracy of iris-recognition systems because they do not have enough feature information. However, existing quality measures have f...
Craig Belcher, Yingzi Du
CVPR
2011
IEEE
14 years 6 months ago
Variable Grouping for Energy Minimization
This paper addresses the problem of efficiently solving large-scale energy minimization problems encountered in computer vision. We propose an energy-aware method for merging ran...
Taesup Kim, Sebastian Nowozin, Pushmeet Kohli, Cha...