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» On Computing Complex Navigation Functions
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STOC
2002
ACM
107views Algorithms» more  STOC 2002»
16 years 7 months ago
Quantum lower bound for the collision problem
The collision problem is to decide whether a function X : {1, . . . , n} {1, . . . , n} is one-to-one or two-to-one, given that one of these is the case. We show a lower bound of...
Scott Aaronson
ICC
2007
IEEE
117views Communications» more  ICC 2007»
16 years 29 days ago
Synchronization in MB-OFDM-based UWB Systems
Abstract—This paper presents a preamble-based low complexity synchronization method for MB-OFDM based UWB systems. The proposed synchronization method consists of sync detection,...
Trent Jacobs, Yinghui Li, Hlaing Minn, R. M. A. P....
ICC
2007
IEEE
104views Communications» more  ICC 2007»
16 years 29 days ago
Semiblind Carrier Frequency Offset Estimation for OFDM Systems
— In this paper we consider the problem of semiblind carrier frequency offset (CFO) estimation for OFDM systems. Specifically, we consider a synchronization scheme based on the ...
Tilde Fusco, Ferdinando Marrone, Mario Tanda
AVSS
2006
IEEE
16 years 21 days ago
A Random Field Model for Improved Feature Extraction and Tracking
This paper presents a novel method for illuminationinvariant and contrast preserving feature extraction, aimed at improving performance of tracking under complex light condition. ...
Xiaotong Yuan, Stan Z. Li
ITS
2004
Springer
105views Multimedia» more  ITS 2004»
16 years 41 min ago
EASE: Evolutional Authoring Support Environment
How smart should we be in order to cope with the complex authoring process of smart courseware? Lately this question gains more attention with attempts to simplify the process and ...
Lora Aroyo, Akiko Inaba, Larisa N. Soldatova, Riic...