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DAGM
2005
Springer
14 years 3 months ago
Variational Deblurring of Images with Uncertain and Spatially Variant Blurs
We consider the problem of deblurring images which have been blurred by different reasons during image acquisition. We propose a variational approach admitting spatially variant an...
Martin Welk, David Theis, Joachim Weickert
ECTEL
2008
Springer
13 years 11 months ago
Evaluating Spatial Knowledge through Problem-Solving in Virtual Learning Environments
Modeling the cognitive processes of learners is fundamental to build educational software that are autonomous and that can provide highly tailored assistance during learning [3]. F...
Philippe Fournier-Viger, Roger Nkambou, Andr&eacut...
GIS
2002
ACM
13 years 9 months ago
Opening the black box: interactive hierarchical clustering for multivariate spatial patterns
Clustering is one of the most important tasks for geographic knowledge discovery. However, existing clustering methods have two severe drawbacks for this purpose. First, spatial c...
Diansheng Guo, Donna Peuquet, Mark Gahegan
COSIT
2007
Springer
126views GIS» more  COSIT 2007»
14 years 1 months ago
Evaluation of a Semantic Similarity Measure for Natural Language Spatial Relations
Consistent and flawless communication between humans and machines is the precondition for a computer to process instructions correctly. While machines use well-defined languages an...
Angela Schwering
BIOINFORMATICS
2007
72views more  BIOINFORMATICS 2007»
13 years 10 months ago
The qualitative and time-dependent character of spatial relations in biomedical ontologies
The formal representation of mereological aspects of canonical anatomy (parthood relations) is relatively well understood. The formal representation of other aspects of canonical ...
Thomas Bittner, Louis J. Goldberg