22 search results - page 4 / 5 » The Hybrid Tree: An Index Structure for High Dimensional Fea... |
EDBT
2006
ACM
14 years 5 months ago
2006
ACM
Abstract. Comparison of images requires a distance metric that is sensitive to the spatial location of objects and features. Such sensitive distance measures can, however, be compu...
ICPR
2004
IEEE
14 years 6 months ago
2004
IEEE
We define a cluster to be characterized by regions of high density separated by regions that are sparse. By observing the downward closure property of density, the search for inte...
VLDB
1999
ACM
13 years 10 months ago
1999
ACM
The nearest- or near-neighbor query problems arise in a large variety of database applications, usually in the context of similarity searching. Of late, there has been increasing ...
KDD
2002
ACM
14 years 6 months ago
2002
ACM
Images are highly complex multidimensional signals, with rich and complicated information content. For this reason they are difficult to analyze through a unique automated approach...
MM
2004
ACM
13 years 11 months ago
2004
ACM
We consider the problem of learning a mapping function from low-level feature space to high-level semantic space. Under the assumption that the data lie on a submanifold embedded ...