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ACL
2010
13 years 5 months ago
Vocabulary Choice as an Indicator of Perspective
We establish the following characteristics of the task of perspective classification: (a) using term frequencies in a document does not improve classification achieved with absenc...
Beata Beigman Klebanov, Eyal Beigman, Daniel Dierm...
VTC
2010
IEEE
124views Communications» more  VTC 2010»
13 years 5 months ago
A Novel Sampling Method for the Spatial Frequencies of Sinusoid-Based Shadowing Models
Abstract—Careful modeling of the radio channel characteristics is an important issue for system level simulations. While a number of detailed path loss, shadowing and fast fading...
Siegfried Klein, Serkan Uygungelen, Christian M. M...
CORR
2011
Springer
161views Education» more  CORR 2011»
12 years 11 months ago
A Panorama on Multiscale Geometric Representations, Intertwining Spatial, Directional and Frequency Selectivity
The richness of natural images makes the quest for optimal representations in image processing and computer vision challenging. The latter observation has not prevented the design...
Laurent Jacques, Laurent Duval, Caroline Chaux, Ga...
VTC
2008
IEEE
142views Communications» more  VTC 2008»
14 years 1 months ago
EXIT-Chart Aided Hybrid Multiuser Detector Design for Frequency-Domain-Spread Chip-Interleaved MC-CDMA
— With the advent of EXtrinsic Information Transfer (EXIT) charts, we are capable of analyzing, predicting and visually comparing the convergence behaviours of different turbo Mu...
Lei Xu, Rong Zhang, Sheng Chen, Lajos Hanzo
ISCAS
2007
IEEE
106views Hardware» more  ISCAS 2007»
14 years 1 months ago
Regularized Frequency Domain Equalization Algorithm and its VLSI Implementation
Abstract— Approximation of Toeplitz matrices with circulant matrices is a well-known approach to reduce the computational complexity of linear equalizers. This paper presents a n...
Andreas Burg, Simon Haene, Wolfgang Fichtner, Mark...