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JCM
2010
126views more  JCM 2010»
13 years 6 months ago
Adding Redundancy to Replication in Window-aware Delay-tolerant Routing
— This paper presents a resource-efficient protocol for opportunistic routing in delay-tolerant networks (DTN). First, our approach exploits the context of mobile nodes (speed, ...
Gabriel Sandulescu, Simin Nadjm-Tehrani
JMIV
2010
131views more  JMIV 2010»
13 years 6 months ago
An SL(2) Invariant Shape Median
Median averaging is a powerful averaging concept on sets of vector data in finite dimensions. A generalization of the median for shapes in the plane is introduced. The underlying ...
Benjamin Berkels, Gina Linkmann, Martin Rumpf
JSAC
2010
92views more  JSAC 2010»
13 years 6 months ago
Analysis of Nonlinear Transition Shift and Write Precompensation in Perpendicular Recording Systems
Abstract—In high density perpendicular magnetic recording channels, nonlinear transition shift (NLTS) is one of the distortions that can degrade the system performance. Write pre...
Zheng Wu, Paul H. Siegel, Jack K. Wolf, H. Neal Be...
MFCS
2010
Springer
13 years 6 months ago
Solving minones-2-sat as Fast as vertex cover
The problem of finding a satisfying assignment for a 2-SAT formula that minimizes the number of variables that are set to 1 (min ones 2–sat) is NP-complete. It generalizes the w...
Neeldhara Misra, N. S. Narayanaswamy, Venkatesh Ra...
PRL
2010
112views more  PRL 2010»
13 years 6 months ago
Reversible color-to-gray mapping using subband domain texturization
— The concept of reversible conversion of color images to gray ones has been recently introduced. Colors are mapped to textures and from the textures the receiver can recover the...
Ricardo L. de Queiroz