Sciweavers

2059 search results - page 140 / 412
» A Directed Threshold - Signature Scheme
Sort
View
ICMCS
2008
IEEE
173views Multimedia» more  ICMCS 2008»
16 years 23 days 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
WCNC
2008
IEEE
16 years 21 days ago
Two-Stage Code Acquisition Employing Search Space Reduction and Iterative Detection in the DS-UWB Downlink
— In this paper we propose and investigate an iterative code acquisition scheme assisted by both search space reduction and iterative Massage Passing (MP), which was designed for...
Seung Hwan Won, Lajos Hanzo
ICC
2007
IEEE
113views Communications» more  ICC 2007»
16 years 20 days ago
Cross-Layer Design Based Code Family Extension for CC/DS-CDMA Systems
Abstract— A complete complementary codes based direct sequence code division multiple access (CC/DS-CDMA) system was recently proposed to offer isotropic interference free transm...
Li-Peng Wang, Yang Yang, Yonghua Song
MM
2005
ACM
67views Multimedia» more  MM 2005»
15 years 12 months ago
Power-aware bandwidth and stereo-image scalable audio decoding
We propose a new workload-scalable audio decoding scheme that would enable users to control the tradeoff between playback quality and power consumption in battery-powered portable...
Wendong Huang, Ye Wang, Samarjit Chakraborty
ICA3PP
2005
Springer
15 years 12 months ago
Hierarchical Parallel Simulated Annealing and Its Applications
In this paper we propose a new parallelization scheme for Simulated Annealing — Hierarchical Parallel SA (HPSA). This new scheme features coarse-granularity in parallelization, d...
Shiming Xu, Wenguang Chen, Weimin Zheng, Tao Wang,...