Sciweavers

1422 search results - page 115 / 285
» Hierarchical Spatial Data Structures
Sort
View
CVPR
2010
IEEE
15 years 11 months ago
Efficient Action Spotting based on a Spacetime Oriented Structure Representation
This paper addresses action spotting, the spatiotemporal detection and localization of human actions in video. A novel compact local descriptor of video dynamics in the context of...
Konstantinos Derpanis, Mikhail Sizintsev, Kevin Ca...
PAMI
2011
14 years 10 months ago
Greedy Learning of Binary Latent Trees
—Inferring latent structures from observations helps to model and possibly also understand underlying data generating processes. A rich class of latent structures are the latent ...
Stefan Harmeling, Christopher K. I. Williams
ICDE
2003
IEEE
139views Database» more  ICDE 2003»
16 years 4 months ago
Super-Fast XML Wrapper Generation in DB2: A Demonstration
The XML Wrapper is a new feature of the federated database capabilities of DB2/UDB v8. It enables users and applications to issue SQL queries against XML data from a variety of so...
Vanja Josifovski, Sabine Massmann, Felix Naumann
ALGORITHMICA
2010
153views more  ALGORITHMICA 2010»
15 years 3 months ago
Confluently Persistent Tries for Efficient Version Control
We consider a data-structural problem motivated by version control of a hierarchical directory structure in a system like Subversion. The model is that directories and files can b...
Erik D. Demaine, Stefan Langerman, Eric Price
ISCAS
2008
IEEE
145views Hardware» more  ISCAS 2008»
15 years 9 months ago
Group learning using contrast NMF : Application to functional and structural MRI of schizophrenia
— Non-negative Matrix factorization (NMF) has increasingly been used as a tool in signal processing in the last couple of years. NMF, like independent component analysis (ICA) is...
Vamsi K. Potluru, Vince D. Calhoun