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GECCO
2008
Springer
158views Optimization» more  GECCO 2008»
14 years 11 months ago
Objective reduction using a feature selection technique
This paper introduces two new algorithms to reduce the number of objectives in a multiobjective problem by identifying the most conflicting objectives. The proposed algorithms ar...
Antonio López Jaimes, Carlos A. Coello Coel...
CIKM
2010
Springer
14 years 7 months ago
Online stratified sampling: evaluating classifiers at web-scale
Deploying a classifier to large-scale systems such as the web requires careful feature design and performance evaluation. Evaluation is particularly challenging because these larg...
Paul N. Bennett, Vitor R. Carvalho
COST
2009
Springer
172views Multimedia» more  COST 2009»
14 years 7 months ago
Facial Expression Recognition Using Two-Class Discriminant Features
This paper presents a novel facial expression recognition methodology. In order to classify the expression of a test face to one of seven pre-determined facial expression classes, ...
Marios Kyperountas, Ioannis Pitas
MHCI
2005
Springer
15 years 3 months ago
Augmenting audio messages with visual directions in mobile guides: an evaluation of three approaches
Supporting users’ navigation is a fundamental feature of mobile guides. This paper presents an experimental evaluation comparing three different ways of providing navigation gu...
Luca Chittaro, Stefano Burigat
ICASSP
2011
IEEE
14 years 1 months ago
Improved spoken term detection with graph-based re-ranking in feature space
This paper presents a graph-based approach for spoken term detection. Each first-pass retrieved utterance is a node on a graph and the edge between two nodes is weighted by the s...
Yun-Nung Chen, Chia-Ping Chen, Hung-yi Lee, Chun-a...