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ICANN
2009
Springer
15 years 4 months ago
Basis Decomposition of Motion Trajectories Using Spatio-temporal NMF
Abstract. This paper’s intention is to present a new approach for decomposing motion trajectories. The proposed algorithm is based on nonnegative matrix factorization, which is a...
Sven Hellbach, Julian Eggert, Edgar Körner, H...
MM
2009
ACM
138views Multimedia» more  MM 2009»
15 years 4 months ago
WOW: wild-open warning for broadcast basketball video based on player trajectory
In basketball games, wild-open means that there is an offensive player not well defended by his/her opponents. The occurrence of wild-open usually implies the existence of a succe...
Ming-Hsiu Chang, Ming-Chun Tien, Ja-Ling Wu
RECSYS
2009
ACM
15 years 4 months ago
FriendSensing: recommending friends using mobile phones
We propose FriendSensing, a framework that automatically suggests friends to mobile social-networking users. Using short-range technologies (e.g., Bluetooth) on her mobile phone, ...
Daniele Quercia, Licia Capra
CVPR
2008
IEEE
15 years 4 months ago
Visual quasi-periodicity
Periodicity is at the core of the recognition of many actions. This paper takes the following steps to detect and measure periodicity. 1) We establish a conceptual framework of cl...
Erik Pogalin, Arnold W. M. Smeulders, Andrew H. C....
ICPR
2008
IEEE
15 years 4 months ago
Back to the future: Robust foreground extraction with reversed-time background modeling
“Ghosts” arise in traditional background subtraction when an object starts to move, causing the exposed background to be labelled as a ghost foreground. With background model ...
Akhilesh Kumar Sinha, Prithwijit Guha, Amitabha Mu...