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CVPR
2009
IEEE
15 years 4 months ago
Dense saliency-based spatiotemporal feature points for action recognition
Several spatiotemporal feature point detectors have been recently used in video analysis for action recognition. Feature points are detected using a number of measures, namely sali...
Konstantinos Rapantzikos, Stefanos D. Kollias, Yan...
ECIR
2007
Springer
13 years 11 months ago
Term Selection and Query Operations for Video Retrieval
Abstract. We investigate the influence of term selection and query operations on the text retrieval component of video search. Our main finding is that the greatest gain is to be...
Bouke Huurnink, Maarten de Rijke
COCOA
2010
Springer
13 years 7 months ago
Feasibility-Based Bounds Tightening via Fixed Points
Abstract. The search tree size of the spatial Branch-and-Bound algorithm for Mixed-Integer Nonlinear Programming depends on many factors, one of which is the width of the variable ...
Pietro Belotti, Sonia Cafieri, Jon Lee, Leo Libert...
CDC
2008
IEEE
122views Control Systems» more  CDC 2008»
14 years 4 months ago
On the number of leaders needed to ensure network connectivity
— In this paper we examine the leader-to-follower ratio needed to maintain connectivity in a leader-follower multiagent network with proximity based communication topology. In th...
Dimos V. Dimarogonas, Tove Gustavi, Magnus Egerste...
AUTOMATICA
2010
95views more  AUTOMATICA 2010»
13 years 9 months ago
Sufficient conditions for connectivity maintenance and rendezvous in leader-follower networks
In this paper we derive a set of constraints that are sufficient to guarantee maintained connectivity in a leader-follower multiagent network with proximity based communication to...
Tove Gustavi, Dimos V. Dimarogonas, Magnus Egerste...