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ICPR
2008
IEEE
14 years 6 months ago
Group action recognition in soccer videos
Group action recognition in soccer videos is a challenging problem due to the difficulties of group action representation and camera motion estimation. This paper presents a novel...
Qingdi Wei, Weiming Hu, Xiaoqin Zhang, Yu Kong, Yu...
ISJ
2000
113views more  ISJ 2000»
13 years 4 months ago
Group support systems in Hong Kong: an action research project
The last dozen years have seen a considerable investment of resources into the research and development of Group Support Systems (GSS) technology. This paper describes how a GSS w...
Robert Vogel, Doug Davison
AML
2007
51views more  AML 2007»
13 years 5 months ago
Semifree actions of free groups
We study countable universes similar to a free action of a group G. It turns out that this is equivalent to the study of free semi-actions of G, with two universes being transforma...
Martin Hils
COMBINATORICS
1999
99views more  COMBINATORICS 1999»
13 years 4 months ago
Deformation of Chains via a Local Symmetric Group Action
A symmetric group action on the maximal chains in a finite, ranked poset is local if the adjacent transpositions act in such a way that (i, i + 1) sends each maximal chain either ...
Patricia Hersh
GC
2006
Springer
13 years 5 months ago
Reconstructing under Group Actions
We give a bound on the reconstructibility of an action G X in terms of the reconstructibility of a the action N X, where N is a normal subgroup of G, and the reconstructibility o...
A. J. Radcliffe, Alex D. Scott