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ICMCS
2008
IEEE
173views Multimedia» more  ICMCS 2008»
14 years 3 months ago
Improvement of the embedding efficiency of LSB matching by sum and difference covering set
As an important attribute directly influencing the steganographic scheme, the embedding efficiency is defined as the average number of random data bits per one embedding change...
Xiaolong Li, Tieyong Zeng, Bin Yang
HPCC
2007
Springer
14 years 3 months ago
Systolic Routing in an Optical Ring with Logarithmic Shortcuts
Abstract. We present an all-optical ring network architecture with logarithmic shortcuts and a systolic routing protocol for it. An r-dimensional optical ring network with logarith...
Risto Honkanen, Juha-Pekka Liimatainen
ISCAS
2005
IEEE
150views Hardware» more  ISCAS 2005»
14 years 2 months ago
High speed pilot-less sampling frequency acquisition for DMT systems
—This paper presents a sampling frequency offset estimation in time domain for discrete multitone (DMT) systems. Cyclic prefix (CP) enables this estimation without pilots. The pr...
Ching-Chi Chang, Chorng-Kuang Wang
ECAL
2003
Springer
14 years 2 months ago
Artificial Organisms That Sleep
Populations of artificial organisms live in an environment in which light is cyclically present (day) or absent (night). Since being active during night is non-adaptive (activity c...
Marco Mirolli, Domenico Parisi
FODO
1998
Springer
241views Algorithms» more  FODO 1998»
14 years 1 months ago
2D BubbleUp: Managing Parallel Disks for Media Servers
In this study we present a scheme called two-dimensional BubbleUp (2DB) for managing parallel disks in a multimedia server. Its goal is to reduce initial latency for interactive m...
Edward Y. Chang, Hector Garcia-Molina, Chen Li