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SIGMOD
2002
ACM
114views Database» more  SIGMOD 2002»
15 years 9 months ago
Time-parameterized queries in spatio-temporal databases
Time-parameterized queries (TP queries for short) retrieve (i) the actual result at the time that the query is issued, (ii) the validity period of the result given the current mot...
Yufei Tao, Dimitris Papadias
120
Voted
ICASSP
2010
IEEE
14 years 8 months ago
Human detection in images via L1-norm Minimization Learning
In recent years, sparse representation originating from signal compressed sensing theory has attracted increasing interest in computer vision research community. However, to our b...
Ran Xu, Baochang Zhang, Qixiang Ye, Jianbin Jiao
89
Voted
CVPR
2003
IEEE
15 years 11 months ago
Shape Context and Chamfer Matching in Cluttered Scenes
This paper compares two methods for object localization from contours: shape context and chamfer matching of templates. In the light of our experiments, we suggest improvements to...
Arasanathan Thayananthan, Bjoern Stenger, Philip H...
JMIV
2006
130views more  JMIV 2006»
14 years 9 months ago
Alternative 2D Shape Representations using the Symmetry Set
Among the many attempts made to represent families of 2D shapes in a simpler way, the Medial Axis (MA) takes a prominent place. Its graphical representation is intuitively appealin...
Arjan Kuijper, Ole Fogh Olsen, Peter J. Giblin, Ma...
ICDE
2007
IEEE
146views Database» more  ICDE 2007»
15 years 1 months ago
Index-based Most Similar Trajectory Search
The problem of trajectory similarity in moving object databases is a relatively new topic in the spatial and spatiotemporal database literature. Existing work focuses on the spati...
Elias Frentzos, Kostas Gratsias, Yannis Theodoridi...