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VISUALIZATION
2003
IEEE
15 years 3 months ago
Curvature-Based Transfer Functions for Direct Volume Rendering: Methods and Applications
Direct volume rendering of scalar fields uses a transfer function to map locally measured data properties to opacities and colors. The domain of the transfer function is typicall...
Gordon L. Kindlmann, Ross T. Whitaker, Tolga Tasdi...
CGF
2010
155views more  CGF 2010»
14 years 9 months ago
Brushing Moments in Interactive Visual Analysis
We present a systematic study of opportunities for the interactive visual analysis of multi-dimensional scientific data that is based on the integration of statistical aggregation...
Johannes Kehrer, Peter Filzmoser, Helwig Hauser
CSSC
2008
110views more  CSSC 2008»
14 years 9 months ago
Nonlinear Quantile Regression Estimation of Longitudinal Data
This paper examines a weighted version of the quantile regression estimator defined by Koenker and Bassett (1978), adjusted to the case of nonlinear longitudinal data. Different w...
Andreas Karlsson
IEEEIAS
2007
IEEE
15 years 4 months ago
An LSB Data Hiding Technique Using Prime Numbers
In this paper, a novel data hiding technique is proposed, as an improvement over the Fibonacci LSB data-hiding technique proposed by Battisti et al. [1]. First we mathematically m...
Sandipan Dey, Ajith Abraham, Sugata Sanyal
IDA
2005
Springer
15 years 3 months ago
A Knowledge-Based Model for Analyzing GSM Network Performance
Abstract. In this paper, a method to analyze GSM network performance on the basis of massive data records and application domain knowledge is presented. The available measurements ...
Pasi Lehtimäki, Kimmo Raivio