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ALGOSENSORS
2004
Springer
16 years 1 days ago
Constrained Flow Optimization with Applications to Data Gathering in Sensor Networks
We focus on data gathering problems in energy-constrained wireless sensor networks. We study store-and-gather problems where data are locally stored on the sensors before the data ...
Bo Hong, Viktor K. Prasanna
IWCM
2004
Springer
16 years 13 hour ago
Wiener-Optimized Discrete Filters for Differential Motion Estimation
Abstract. Differential motion estimation is based on detecting brightness changes in local image structures. Filters approximating the local gradient are applied to the image seque...
Kai Krajsek, Rudolf Mester
FCCM
2003
IEEE
92views VLSI» more  FCCM 2003»
15 years 12 months ago
Perturbation Analysis for Word-length Optimization
This paper introduces a design tool and its associated procedures for determining the sensitivity of outputs in a digital signal processing design to small errors introduced by ro...
George A. Constantinides
ISCAS
2003
IEEE
168views Hardware» more  ISCAS 2003»
15 years 12 months ago
Hardware-oriented optimization and block-level architecture design for MPEG-4 FGS encoder
MPEG-4 Fine Granularity Scalability (FGS) provides bandwidth adaptation and error resilience features for streaming applications. In this paper. by estimating the required computa...
Chih-Wei Hsu, Yung-Chi Chang, Wei-Min Chao, Liang-...
VRST
2000
ACM
15 years 11 months ago
Message caching for local and global resource optimization in shared virtual environments
The use of Shared Virtual Environments is growing in areas such as multi-player video games, military and industrial training, and collaborative design and engineering. At the sam...
Helmuth Trefftz, Ivan Marsic