272 search results - page 53 / 55 » Unsupervised Learning of Hierarchical Spatial Structures In ... |
SCALESPACE
2007
Springer
14 years 4 months ago
2007
Springer
This paper presents a statistical model for textures that uses a non-negative decomposition on a set of local atoms learned from an exemplar. This model is described by the varianc...
GEOINFORMATICA
1998
13 years 10 months ago
1998
ally related entity types, or classes, into higher level, more abstract types, as part of a hierarchical classi®cation scheme. graphy, generalization retains the notion of abstrac...
CVPR
2006
IEEE
15 years 11 days ago
2006
IEEE
"Bag of words" models have enjoyed much attention and achieved good performances in recent studies of object categorization. In most of these works, local patches are mo...
TMM
2010
13 years 5 months ago
2010
Abstract--With the increased presence of digital imaging devices, there also came an explosion in the amount of multimedia content available online. Users have transformed from pas...
ICASSP
2007
IEEE
14 years 4 months ago
2007
IEEE
Lung nodule detection, especially ground glass opacity (GGO) detection, in helical computed tomography (CT) images is a challenging Computer-Aided Detection (CAD) task due to the ...