Sciweavers

APVIS
2008
14 years 1 months ago
Second Order Pre-Integrated Volume Rendering
In the field of Volume Rendering, pre-integration techniques for arbitrary transfer functions has certainly led to the most significant and convincing results both quality and per...
Jean-François El Hajjar, Stephane Marchesin...
APVIS
2010
14 years 1 months ago
Volume exploration using ellipsoidal Gaussian transfer functions
This paper presents an interactive transfer function design tool based on ellipsoidal Gaussian transfer functions (ETFs). Our approach explores volumetric features in the statisti...
Yunhai Wang, Wei Chen, Guihua Shan, Tingxin Dong, ...
CISS
2007
IEEE
14 years 1 months ago
A Union Bound Approximation for Rapid Performance Evaluation of Punctured Turbo Codes
— In this paper, we present a simple technique to approximate the performance union bound of a punctured turbo code. The bound approximation exploits only those terms of the tran...
Ioannis Chatzigeorgiou, Miguel R. D. Rodrigues, Ia...
ISCAS
1995
IEEE
75views Hardware» more  ISCAS 1995»
14 years 3 months ago
A Multi-Feedback Design for LC Bandpass Delta-Sigma Modulators
A new technique for designing an LC bandpass DeltaSigma modulator is presented. This method is based on pulse shaping of a DAC output signal such that one can realize a desired (a...
Omid Shoaei, W. Martin Snelgrove
VVS
1998
IEEE
126views Visualization» more  VVS 1998»
14 years 3 months ago
Semi-Automatic Generation of Transfer Functions for Direct Volume Rendering
Although direct volume rendering is a powerful tool for visualizing complex structures within volume data, the size and complexity of the parameter space controlling the rendering...
Gordon L. Kindlmann, James W. Durkin
VISUALIZATION
1998
IEEE
14 years 3 months ago
Image-based transfer function design for data exploration in volume visualization
Transfer function design is an integrated component in volume visualization and data exploration. The common trial-and-error approach for transfer function searching is a very dif...
Shiaofen Fang, Tom Biddlecome, Mihran Tuceryan
ISCAS
1999
IEEE
109views Hardware» more  ISCAS 1999»
14 years 3 months ago
Solution of vector partial differential equations by transfer function models
Transfer function models for the descriptionof physical systems have recently been introduced to the field of multidimensional digital signal processing. They provide an alternati...
Rudolf Rabenstein, Lutz Trautmann
VISUALIZATION
2003
IEEE
14 years 4 months ago
A Frequency-Sensitive Point Hierarchy for Images and Volumes
This paper introduces a method for converting an image or volume sampled on a regular grid into a space-efficient irregular point hierarchy. The conversion process retains the ori...
Tomihisa Welsh, Klaus Mueller
CGI
2003
IEEE
14 years 4 months ago
Interactive Transfer Function Modification For Volume Rendering Using Compressed Sample Runs
This paper describes a software-based method for interactive transfer function modification. Our approach exploits the fact that, in general, a user will rarely want to modify the...
Vivek Srivastava, Uday Chebrolu, Klaus Mueller
PLDI
2004
ACM
14 years 5 months ago
Symbolic pointer analysis revisited
Pointer analysis is a critical problem in optimizing compiler, parallelizing compiler, software engineering and most recently, hardware synthesis. While recent efforts have sugges...
Jianwen Zhu, Silvian Calman