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CVIU
2004
94views more  CVIU 2004»
13 years 7 months ago
Video-based event recognition: activity representation and probabilistic recognition methods
We present a new representation and recognition method for human activities. An activity is considered to be composed of action threads, each thread being executed by a single act...
Somboon Hongeng, Ramakant Nevatia, François...
IS
2002
13 years 7 months ago
Pushing extrema aggregates to optimize logic queries
In this paper, we explore the possibility of transforming queries with minimum and maximum predicates into equivalent queries that can be computed more efficiently. The main contr...
Filippo Furfaro, Sergio Greco, Sumit Ganguly, Carl...
TCAD
2002
93views more  TCAD 2002»
13 years 7 months ago
Hierarchical buffered routing tree generation
Abstract--This paper presents a solution to the problem of performance-driven buffered routing tree generation for VLSI circuits. Using a novel bottom-up construction algorithm and...
Amir H. Salek, Jinan Lou, Massoud Pedram
CORR
2010
Springer
248views Education» more  CORR 2010»
13 years 7 months ago
Optimal Spectrum Sharing in MIMO Cognitive Radio Networks via Semidefinite Programming
Abstract--In cognitive radio (CR) networks with multipleinput multiple-output (MIMO) links, secondary users (SUs) can exploit "spectrum holes" in the space domain to acce...
Ying Jun Zhang, Anthony Man-Cho So
CP
2005
Springer
14 years 1 months ago
Approximations in Distributed Optimization
Abstract. We present a parameterized approximation scheme for distributed combinatorial optimization problems based on dynamic programming. The algorithm is a utility propagation m...
Adrian Petcu, Boi Faltings