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MM
2010
ACM
139views Multimedia» more  MM 2010»
13 years 6 months ago
Keep moving!: revisiting thumbnails for mobile video retrieval
Motivated by the increasing popularity of video on handheld devices and the resulting importance for effective video retrieval, this paper revisits the relevance of thumbnails in ...
Wolfgang Hürst, Cees G. M. Snoek, Willem-Jan ...
AMC
2010
92views more  AMC 2010»
13 years 6 months ago
When is the numerical range of a nilpotent matrix circular?
The problem formulated in the title is investigated. The case of nilpotent matrices of size at most 4 allows a unitary treatment. The numerical range of a nilpotent matrix M of siz...
Valentin Matache, Mihaela T. Matache
COMBINATORICA
2010
13 years 15 days ago
Asymptotic enumeration of integer matrices with large equal row and column sums
Let s, t, m, n be positive integers such that sm = tn. Let M(m, s; n, t) be the number of m
E. Rodney Canfield, Brendan D. McKay
MM
2010
ACM
126views Multimedia» more  MM 2010»
13 years 4 months ago
Using the web to do social science
.1 Thu 9:30–10:15 BAR 205 Group Path Formation in Physical and Abstract Spaces — •Robert Goldstone Award Ceremony of the Young Scientist Award for Socio- and Econophysics AGS...
Duncan Watts
MM
2010
ACM
196views Multimedia» more  MM 2010»
13 years 6 months ago
Non-parametric anomaly detection exploiting space-time features
In this paper a real-time anomaly detection system for video streams is proposed. Spatio-temporal features are exploited to capture scene dynamic statistics together with appearan...
Lorenzo Seidenari, Marco Bertini