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ECML
2007
Springer
14 years 4 months ago
Discriminative Sequence Labeling by Z-Score Optimization
Abstract. We consider a new discriminative learning approach to sequence labeling based on the statistical concept of the Z-score. Given a training set of pairs of hidden-observed ...
Elisa Ricci, Tijl De Bie, Nello Cristianini
ICANN
2007
Springer
14 years 4 months ago
Input Selection for Radial Basis Function Networks by Constrained Optimization
Input selection in the nonlinear function approximation is important and difficult problem. Neural networks provide good generalization in many cases, but their interpretability is...
Jarkko Tikka
STACS
2007
Springer
14 years 4 months ago
Hard Metrics from Cayley Graphs of Abelian Groups
: Hard metrics are the class of extremal metrics with respect to embedding into Euclidean spaces: they incur Ω(logn) multiplicative distortion, which is as large as it can possib...
Ilan Newman, Yuri Rabinovich
ICMCS
2006
IEEE
132views Multimedia» more  ICMCS 2006»
14 years 4 months ago
Clustering-Based Analysis of Semantic Concept Models for Video Shots
In this paper we present a clustering-based method for representing semantic concepts on multimodal low-level feature spaces and study the evaluation of the goodness of such model...
Markus Koskela, Alan F. Smeaton
ICMCS
2006
IEEE
148views Multimedia» more  ICMCS 2006»
14 years 4 months ago
Detection of Variant Wipe Effects
Due to the diversity of different wipe effects, wipe transition is considered complex and difficult to detect. This paper identifies two common characteristics of different wipes,...
Shan Li, M. C. Lee