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INFORMATICALT
2006
154views more  INFORMATICALT 2006»
15 years 3 months ago
Efficient Adaptive Algorithms for Transposing Small and Large Matrices on Symmetric Multiprocessors
Matrix transpose in parallel systems typically involves costly all-to-all communications. In this paper, we provide a comparative characterization of various efficient algorithms f...
Rami Al Na'mneh, W. David Pan, Seong-Moo Yoo
PAMI
2007
103views more  PAMI 2007»
15 years 2 months ago
Performance of Biometric Quality Measures
—We document methods for the quantitative evaluation of systems that produce a scalar summary of a biometric sample’s quality. We are motivated by a need to test claims that qu...
Patrick Grother, Elham Tabassi
ICDE
2009
IEEE
143views Database» more  ICDE 2009»
16 years 4 months ago
Join Reordering by Join Simulation
We introduce a framework for reordering join pipelines at runtime in a database system. This framework incorporates novel techniques for simulating the execution of a join pipeline...
Chaitanya Mishra, Nick Koudas
VLSID
2006
IEEE
170views VLSI» more  VLSID 2006»
16 years 3 months ago
On the Implementation of a Low-Power IEEE 802.11a Compliant Viterbi Decoder
This article describes a standard cell based novel implementation of a low-power Viterbi Decoder (VD) targeted for the IEEE 802.11a Wireless LAN system. Multiple clock rates have ...
Koushik Maharatna, Alfonso Troya, Milos Krstic, Ec...
ICC
2007
IEEE
146views Communications» more  ICC 2007»
15 years 9 months ago
Optimal Double Correlation Filtering for Carrier Frequency Offset Estimation in MIMO OFDM
Abstract— A computationally efficient optimal double correlation (ODC) filter, which works on the fourth order statistics of received samples, is proposed for carrier frequency...
Patrick Ho Wang Fung, Chin Keong Ho