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DMSN
2009
ACM
16 years 1 months ago
Validated cost models for sensor network queries
Generating a good execution plan for a declarative query has long been a central problem in data management research. With the rise in interest in wireless sensor networks (WSNs) ...
Christian Y. A. Brenninkmeijer, Ixent Galpin, Alva...
ICPR
2008
IEEE
16 years 1 months ago
Illuminant dependence of PCA, NMF and NTF in spectral color imaging
In this study Principal Component Analysis (PCA), Non-negative Matrix Factorization (NMF) and Nonnegative Tensor Factorization (NTF) are applied as dimension reduction methods in ...
Alexey Andriyashin, Jussi Parkkinen, Timo Jaaskela...
CCS
2007
ACM
16 years 24 days ago
Do background images improve "draw a secret" graphical passwords?
Draw a secret (DAS) is a representative graphical password scheme. Rigorous theoretical analysis suggests that DAS supports an overall password space larger than that of the ubiqu...
Paul Dunphy, Jeff Yan
HICSS
2006
IEEE
111views Biometrics» more  HICSS 2006»
16 years 20 days ago
Fundamental Ethics in Information Systems
Information systems often present virtual spaces that are sufficient to enable important human interaction. By enabling such interaction, systems designers are inherently creating...
Christopher N. Chapman
AVSS
2005
IEEE
16 years 7 days ago
Look there! Predicting where to look for motion in an active camera network
A framework is proposed that answers the following question: if a moving object is observed by one camera in a pan-tilt-zoom (PTZ) camera network, what other camera(s) might be fo...
Ugur Murat Erdem, Stan Sclaroff