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IDA
2007
Springer
15 years 8 months ago
Compact and Understandable Descriptions of Mixtures of Bernoulli Distributions
Abstract. Finite mixture models can be used in estimating complex, unknown probability distributions and also in clustering data. The parameters of the models form a complex repres...
Jaakko Hollmén, Jarkko Tikka
KDD
2008
ACM
183views Data Mining» more  KDD 2008»
16 years 2 months ago
Structured entity identification and document categorization: two tasks with one joint model
Traditionally, research in identifying structured entities in documents has proceeded independently of document categorization research. In this paper, we observe that these two t...
Indrajit Bhattacharya, Shantanu Godbole, Sachindra...
MICCAI
2007
Springer
16 years 2 months ago
Variational Guidewire Tracking Using Phase Congruency
We present a novel method to track a guidewire in cardiac x-ray video. Using variational calculus, we derive differential equations that deform a spline, subject to intrinsic and e...
Gregory G. Slabaugh, Koon Kong, Gozde B. Unal, Ton...
MICCAI
2002
Springer
16 years 2 months ago
Brownian Warps: A Least Committed Prior for Non-rigid Registration
Non-rigid registration requires a smoothness or regularization term for making the warp field regular. Standard models in use here include b-splines and thin plate splines. In thi...
Mads Nielsen, Peter Johansen, Andrew D. Jackson, B...
ICCS
2005
Springer
15 years 7 months ago
Language Technologies Meet Ontology Acquisition
This paper overviews and analyses the on-going research attempts to apply language technologies to automatic ontology acquisition. At first glance there are many successful approac...
Galia Angelova