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PIMRC
2010
IEEE
14 years 7 months ago
Iterative SIC receiver scheme for non-orthogonally superimposed signals on top of OFDMA
In this paper, we propose an iterative SIC receiver architecture with pilot- and data-based channel estimation for efficient decoding of non-orthogonal superimposed signals. The no...
Andreas Ruegg, Alberto Tarable
SOCIALCOM
2010
14 years 7 months ago
Friendfeed Breaking News: Death of a Public Figure
Abstract--Microblogging sites allow users to post short messages online, offering a reliable way to communicate and to spread information quickly and efficiently; moreover, they ca...
Matteo Magnani, Danilo Montesi, Luca Rossi
IEICET
2010
124views more  IEICET 2010»
14 years 4 months ago
Fast Polar and Spherical Fourier Descriptors for Feature Extraction
Polar Fourier Descriptor(PFD) and Spherical Fourier Descriptor(SFD) are rotation invariant feature descriptors for two dimensional(2D) and three dimensional(3D) image retrieval an...
Zhuo Yang, Sei-ichiro Kamata
ICASSP
2011
IEEE
14 years 1 months ago
Non-negative matrix deconvolution in noise robust speech recognition
High noise robustness has been achieved in speech recognition by using sparse exemplar-based methods with spectrogram windows spanning up to 300 ms. A downside is that a large exe...
Antti Hurmalainen, Jort F. Gemmeke, Tuomas Virtane...

Publication
256views
13 years 12 months ago
Facial Feature Detection Using Distance Vector Fields
A novel method for eye and mouth detection and eye center and mouth corner lo- calization, based on geometrical information is presented in this paper. First, a face detector is ...
Stylianos Asteriadis, Nikos Nikolaidis, Ioannis Pi...