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132
Voted
PR
2008
97views more  PR 2008»
15 years 4 months ago
SVD based initialization: A head start for nonnegative matrix factorization
We describe Nonnegative Double Singular Value Decomposition (NNDSVD), a new method designed to enhance the initialization stage of nonnegative matrix factorization (NMF). NNDSVD c...
Christos Boutsidis, Efstratios Gallopoulos
CORR
2000
Springer
75views Education» more  CORR 2000»
15 years 4 months ago
Noun-phrase co-occurrence statistics for semi-automatic semantic lexicon construction
Generating semantic lexicons semiautomatically could be a great time saver, relative to creating them by hand. In this paper, we present an algorithm for extracting potential entr...
Brian Roark, Eugene Charniak
ISBI
2004
IEEE
16 years 5 months ago
Image-Based Rendering And Modeling In Video-Endoscopy
We present algorithms for image-based rendering and modeling in video-endoscopy. Our algorithms are aimed at alleviating two common viewing problems in video-endoscopy: that the s...
Yuan-Fang Wang, Dan Koppel, Hua Lee
187
Voted
MIMI
2007
Springer
15 years 11 months ago
Application of Tikhonov Regularization to Super-Resolution Reconstruction of Brain MRI Images
This paper presents an image super-resolution method that enhances spatial resolution of MRI images in the slice-select direction. The algorithm employs Tikhonov regularization, us...
Xin Zhang, Edmund Y. Lam, Ed X. Wu, Kenneth K. Y. ...
IBPRIA
2005
Springer
15 years 10 months ago
Probabilistic Image-Based Tracking: Improving Particle Filtering
Condensation is a widely-used tracking algorithm based on particle filters. Although some results have been achieved, it has several unpleasant behaviours. In this paper, we highl...
Daniel Rowe, Ignasi Rius, Jordi Gonzàlez, F...