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IDA
2003
Springer
14 years 29 days ago
Fuzzy Clustering Based Segmentation of Time-Series
The segmentation of time-series is a constrained clustering problem: the data points should be grouped by their similarity, but with the constraint that all points in a cluster mus...
János Abonyi, Balazs Feil, Sandor Z. N&eacu...
CPHYSICS
2007
70views more  CPHYSICS 2007»
13 years 7 months ago
Instability of pedestrian flow in 2D optimal velocity model with attractive interaction
We incorporate an attractive interaction in two dimensional optimal velocity model and investigate the stability of homogeneous flow. There exists a new type of instability and a...
Akihiro Nakayama, Katsuya Hasebe, Yuki Sugiyama
TIT
2008
81views more  TIT 2008»
13 years 7 months ago
Large Deviations of the Interference in a Wireless Communication Model
Interference from other users limits the capacity, and possibly the connectivity, of wireless networks. A simple model of a wireless ad-hoc network, in which node locations are des...
Ayalvadi J. Ganesh, Giovanni Luca Torrisi
CORR
2011
Springer
207views Education» more  CORR 2011»
12 years 11 months ago
Ergodic Transmission Capacity of Wireless Ad Hoc Networks with Interference Management
Most work on wireless network throughput ignores the temporal correlation inherent to wireless channels because it degrades tractability. To better model and quantify the temporal...
Chun-Hung Liu, Jeffrey G. Andrews
ICIP
2004
IEEE
14 years 9 months ago
A partial differential equation approach to image zoom
We propose a new model for zooming digital image. This model, driven by a partial differential equation, will balance between linear zooming on homogenous zones to anisotropic dif...
Abdelmounim Belahmidi, Frederic Guichard