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ASPDAC
2004
ACM
101views Hardware» more  ASPDAC 2004»
14 years 2 months ago
A sub-mW MPEG-4 motion estimation processor core for mobile video application
This paper describes a sub-mW motion estimation processor core for MPEG-4 video encoding. It features a Gradient Descent Search algorithm whose computation power is only 7% of the...
Yuki Kuroda, Junichi Miyakoshi, Masayuki Miyama, K...
ICASSP
2011
IEEE
13 years 12 days ago
Time-based localization for asynchronous wireless sensor networks
In this paper, we propose time-based localization approaches for asynchronous wireless sensor networks (WSNs), where not only clock skews but also clock offsets are present at all...
Yiyin Wang, Geert Leus, Xiaoli Ma
NOCS
2009
IEEE
14 years 3 months ago
Comparing tightly and loosely coupled mesochronous synchronizers in a NoC switch architecture
With the advent of Networks-on-Chip (NoCs), the interest for mesochronous synchronizers is again on the rise due to the intricacies of skew-controlled chip-wide clock tree distrib...
Daniele Ludovici, Alessandro Strano, Davide Bertoz...
CC
2009
Springer
141views System Software» more  CC 2009»
14 years 9 months ago
Compile-Time Analysis and Specialization of Clocks in Concurrent Programs
Abstract. Clocks are a mechanism for providing synchronization barriers in concurrent programming languages. They are usually implemented using primitive communication mechanisms a...
Nalini Vasudevan, Olivier Tardieu, Julian Dolby, S...
ICCI
1993
14 years 23 days ago
The Perfect and Imperfect Clocks Approach to Performance Analysis of Basic Timestamp Ordering in Distributed Databases
Locking and timestamping are two popular approaches to concurrency control in databases systems. Although more than a dozen analytic performance studies of locking techniques have...
Christos Bouras, Paul G. Spirakis