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ETT
2000
103views Education» more  ETT 2000»
15 years 6 months ago
Analysis of Doppler Spread Perturbations in OFDM(A) Systems
We analyze the effects of Doppler spread in mobile channels on Orthogonal Frequency Division Multiplex (OFDM) systems. This is important, since channel variations during one OFDM s...
Patrick Robertson, Stefan Kaiser
ESORICS
2002
Springer
16 years 6 months ago
Confidentiality Policies and Their Enforcement for Controlled Query Evaluation
Abstract. An important goal of security in information systems is confidentiality. A confidentiality policy specifies which users should be forbidden to acquire what kind of inform...
Joachim Biskup, Piero A. Bonatti
ICPR
2008
IEEE
16 years 2 months ago
Online Feature Evaluation For Object Tracking Using Kalman Filter
An online feature evaluation method for visual object tracking is put forward in this paper. Firstly, a combined feature set is built using color histogram (HC) bins and gradien...
Zhenjun Han, Qixiang Ye, Jianbin Jiao+
CBMS
2008
IEEE
16 years 1 months ago
Web-Based Multi-Observer Segmentation Evaluation Tool
Multi-observer segmentation evaluation is useful in the imaging community. We have developed a web-based software application for automatic performance evaluation of multiple imag...
Yaoyao Zhu, Xiaolei Huang, Daniel P. Lopresti, L. ...
SRDS
2007
IEEE
16 years 1 months ago
Evaluating Byzantine Quorum Systems
Replication is a mechanism extensively used to guarantee the availability and good performance of data storage services. Byzantine Quorum Systems (BQS) have been proposed as a sol...
Wagner Saback Dantas, Alysson Neves Bessani, Joni ...