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ICPR
2008
IEEE
16 years 1 months ago
Video caption duration extraction
Caption detection in the video is an active research topic in recent years. In the conventional methods, one of most difficult problems is to effectively and quickly extract the ...
Hongliang Bai, Jun Sun 0004, Satoshi Naoi, Yutaka ...
ADHOCNOW
2008
Springer
16 years 1 months ago
Local Maximal Matching and Local 2-Approximation for Vertex Cover in UDGs
We present 1 − approximation algorithms for the maximum matching problem in location aware unit disc graphs and in growth-bounded graphs. The algorithm for unit disk graph is loc...
Andreas Wiese, Evangelos Kranakis
GLOBECOM
2007
IEEE
16 years 1 months ago
Resource Allocation for Amplify-and-Forward Relay Networks with Differential Modulation
— The optimum resource allocation is an important method to improve the error performance and energy efficiency of wireless relay networks. In this paper, we consider the resour...
Woong Cho, Liuqing Yang
ICC
2007
IEEE
134views Communications» more  ICC 2007»
16 years 1 months ago
Linear Cooperative Multiuser MIMO Transceiver Design with Per BS Power Constraints
— Joint cooperative processing of transmitted signal from several multiple-input multiple-output (MIMO) base station (BS) antenna heads is considered for users located within a s...
Antti Tölli, Marian Codreanu, Markku J. Juntt...
ICRA
2007
IEEE
126views Robotics» more  ICRA 2007»
16 years 1 months ago
A formal framework for robot learning and control under model uncertainty
— While the Partially Observable Markov Decision Process (POMDP) provides a formal framework for the problem of robot control under uncertainty, it typically assumes a known and ...
Robin Jaulmes, Joelle Pineau, Doina Precup