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ICC
2009
IEEE
157views Communications» more  ICC 2009»
16 years 24 days ago
A Graph Approach to Dynamic Fractional Frequency Reuse (FFR) in Multi-Cell OFDMA Networks
A graph-based framework for dynamic fractional frequency reuse (FFR) in multi-cell OFDMA networks is proposed in this work. FFR is a promising resource allocation technique that c...
Ronald Chang, Zhifeng Tao, Jinyun Zhang, C.-C. Jay...
IROS
2009
IEEE
214views Robotics» more  IROS 2009»
16 years 21 days ago
1-point RANSAC for EKF-based Structure from Motion
Abstract— Recently, classical pairwise Structure From Motion (SfM) techniques have been combined with non-linear global optimization (Bundle Adjustment, BA) over a sliding window...
Javier Civera, Oscar G. Grasa, Andrew J. Davison, ...
MM
2009
ACM
252views Multimedia» more  MM 2009»
16 years 17 days ago
Localizing volumetric motion for action recognition in realistic videos
This paper presents a novel motion localization approach for recognizing actions and events in real videos. Examples include StandUp and Kiss in Hollywood movies. The challenge ca...
Xiao Wu, Chong-Wah Ngo, Jintao Li, Yongdong Zhang
SIGCOMM
2009
ACM
16 years 17 days ago
VUPoints: collaborative sensing and video recording through mobile phones
Mobile phones are becoming a convergent platform for sensing, computation, and communication. This paper envisions VUPoints, a collaborative sensing and video-recording system tha...
Xuan Bao, Romit Roy Choudhury
AFRICACRYPT
2010
Springer
16 years 16 days ago
Flexible Group Key Exchange with On-demand Computation of Subgroup Keys
Modern multi-user communication systems, including popular instant messaging tools, social network platforms, and cooperative-work applications, offer flexible forms of communica...
Michel Abdalla, Céline Chevalier, Mark Manu...