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» On Combining Dissimilarity Representations
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ICASSP
2009
IEEE
16 years 1 months ago
Field inversion by consensus and compressed sensing
— We study the inversion of a random field from pointwise measurements collected by a sensor network. We assume that the field has a sparse representation in a known basis. To ...
Aurora Schmidt, José M. F. Moura
WIAMIS
2009
IEEE
16 years 1 months ago
Towards fully un-supervised methods for generating object detection classifiers using social data
In this work a framework for constructing object detection classifiers using weakly annotated social data is proposed. Social information is combined with computer vision techniq...
Spiros Nikolopoulos, Elisavet Chatzilari, Eirini G...
AIED
2009
Springer
16 years 1 months ago
Identifying strategies in user's exploratory learning behaviour for mathematical generalisation
Abstract. The nature of the activities that take place in Exploratory Learning Environments allow generating a variety of learner trajectories and makes difficult to develop a mod...
Mihaela Cocea, George D. Magoulas
ISVC
2009
Springer
16 years 1 months ago
Group Action Recognition Using Space-Time Interest Points
Group action recognition is a challenging task in computer vision due to the large complexity induced by multiple motion patterns. This paper aims at analyzing group actions in vid...
Qingdi Wei, Xiaoqin Zhang, Yu Kong, Weiming Hu, Ha...
IVA
2009
Springer
16 years 1 months ago
GNetIc - Using Bayesian Decision Networks for Iconic Gesture Generation
Expressing spatial information with iconic gestures is abundant in human communication and requires to transform a referent representation into resembling gestural form. This task ...
Kirsten Bergmann, Stefan Kopp