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ICPR
2008
IEEE
15 years 6 months ago
Invariant visual patterns for video copy detection
Large scale video copy detection task requires compact feature insensitive to various copy changes. Based on local feature trajectory behavior we discover invariant visual pattern...
Xiao Wu, Yongdong Zhang, Yufeng Wu, Junbo Guo, Jin...
EDBT
2010
ACM
202views Database» more  EDBT 2010»
15 years 6 months ago
Querying trajectories using flexible patterns
The wide adaptation of GPS and cellular technologies has created many applications that collect and maintain large repositories of data in the form of trajectories. Previous work ...
Marcos R. Vieira, Petko Bakalov, Vassilis J. Tsotr...
167
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GIS
2008
ACM
16 years 18 days ago
Privacy: preserving trajectory collection
In order to provide context?aware Location?Based Services, real location data of mobile users must be collected and analyzed by spatio?temporal data mining methods. However, the d...
Gyözö Gidófalvi, Torben Bach Pede...
ICPR
2008
IEEE
15 years 6 months ago
Anomalous trajectory patterns detection
In the field of event analysis, the detection of anomalous events has often been based on the creation of a model representing the most common patterns of activity detected withi...
Claudio Piciarelli, Christian Micheloni, Gian Luca...
DNA
2006
Springer
15 years 3 months ago
Hairpin Structures Defined by DNA Trajectories
We examine scattered hairpins, which are structures formed when a single strand of nucleotides folds into a partially hybridized stem and a loop. To specify different classes of h...
Michael Domaratzki