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» Labeling Schemes with Queries
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TCOM
2010
68views more  TCOM 2010»
13 years 6 months ago
Coded multipulse pulse-position modulation for free-space optical communications
—In this letter, we address two questions concerning the application of multipulse pulse-position modulation (MPPM) for free-space optical (FSO) communications: (1) under what co...
Trung Thanh Nguyen, Lutz H.-J. Lampe
GG
2010
Springer
13 years 6 months ago
Declarative Mesh Subdivision Using Topological Rewriting in MGS
Mesh subdivision algorithms are usually specified informally using graphical schemes defining local mesh refinements. These algorithms are then implemented efficiently in an impera...
Antoine Spicher, Olivier Michel, Jean-Louis Giavit...
ICDM
2009
IEEE
137views Data Mining» more  ICDM 2009»
13 years 5 months ago
Analyzing Abnormal Events from Spatio-temporal Trajectories
Advances in RFID based sensor technologies has been used in applications which requires the tracking of assets, products and individuals. The recording of such movements is capture...
Dhaval Patel, Chidansh Bhatt, Wynne Hsu, Mong-Li L...
ICASSP
2011
IEEE
12 years 11 months ago
An adaptive bayesian clustering and multivariate region merging based technique for efficient segmentation of color images
We propose a methodology for improved segmentation of images in a Bayesian framework by fusion of color, texture and gradient information. The proposed algorithm is initialized by...
Sreenath Rao Vantaram, Eli Saber
SIGMOD
2006
ACM
116views Database» more  SIGMOD 2006»
14 years 8 months ago
Fast range-summable random variables for efficient aggregate estimation
Exact computation for aggregate queries usually requires large amounts of memory ? constrained in data-streaming ? or communication ? constrained in distributed computation ? and ...
Florin Rusu, Alin Dobra