Sciweavers

11151 search results - page 326 / 2231
» On the Complexity of Model Expansion
Sort
View
191
Voted
JASIS
2010
182views more  JASIS 2010»
15 years 6 months ago
Understanding latent semantic indexing: A topological structure analysis using Q-analysis
Abstract – The method of latent semantic indexing (LSI) is well known for tackling the synonymy and polysemy problems in information retrieval. However, its performance can be ve...
Dandan Li, Chung-Ping Kwong
199
Voted
TCOM
2010
133views more  TCOM 2010»
15 years 5 months ago
An Exact Performance Analysis of MRC / OSTBC over Generalized Fading Channels
—A unified analytical framework for evaluating the performance of maximal ratio combining (MRC) and orthogonal space-time block coding (OSTBC) over generalized fading channels i...
George A. Ropokis, Athanasios A. Rontogiannis, P. ...
269
Voted
ICASSP
2011
IEEE
14 years 11 months ago
Basis pursuit for spectrum cartography
A nonparametric version of the basis pursuit method is developed for field estimation. The underlying model entails known bases, weighted by generic functions to be estimated fro...
Juan Andrés Bazerque, Gonzalo Mateos, Georg...
ICCV
2011
IEEE
14 years 7 months ago
Gradient-based learning of higher-order image features
Recent work on unsupervised feature learning has shown that learning on polynomial expansions of input patches, such as on pair-wise products of pixel intensities, can improve the...
Roland Memisevic
242
Voted
CVPR
2012
IEEE
13 years 10 months ago
Three things everyone should know to improve object retrieval
The objective of this work is object retrieval in large scale image datasets, where the object is specified by an image query and retrieval should be immediate at run time in the...
Relja Arandjelovic, Andrew Zisserman