Sciweavers

3913 search results - page 162 / 783
» complexity 2006
Sort
View
PAMI
2010
135views more  PAMI 2010»
15 years 2 months ago
A Variational Approach to Degraded Document Enhancement
—The goal of this paper is to correct bleed-through in degraded documents using a variational approach. The variational model is adapted using an estimated background according t...
Reza Farrahi Moghaddam, Mohamed Cheriet
IEICET
2006
105views more  IEICET 2006»
15 years 4 months ago
An Adaptive Frame-Based Interpolation Method of Channel Estimation for Space-Time Block Codes in Moderate Fading Channels
Abstract -- The application of Orthogonal SpaceTime Block Codes (O-STBC) as the encoding scheme in the presence of "non-quasi-static" fading was considered. A simple and ...
Gabriel Porto Villardi, Giuseppe Thadeu Freitas de...
RSA
2008
85views more  RSA 2008»
15 years 3 months ago
Quasi-random graphs with given degree sequences
It is now known that many properties of the objects in certain combinatorial structures are equivalent, in the sense that any object possessing any of the properties must of neces...
Fan Chung Graham, Ronald L. Graham
134
Voted
GLOBECOM
2006
IEEE
15 years 10 months ago
Two Novel Iterative Joint Frequency-Offset and Channel Estimation Methods for OFDMA Uplink
—We address joint estimation of frequency offsets and channel responses in OFDMA uplink. A cyclically equal-spaced, equal-energy interleaved pilot preamble is proposed by which t...
Xiaoyu Fu, Hlaing Minn, Cyrus D. Cantrell
130
Voted
HICSS
2006
IEEE
117views Biometrics» more  HICSS 2006»
15 years 10 months ago
Multi-Method Approaches to Digital Government Research: Value Lessons and Implementation Challenges
Digital government is a complex organizational and social phenomenon. It involves technical, organizational, and policy elements, as well as their complex and recursive interactio...
José Ramón Gil-García, Theres...