Schedule

Subscribe to RSS Feed

1993
Friday, January 1st
12:00 PM

Accounting for ultrasonic signal attenuation through model parameter interpolation

Section: Signal Processing

Myung-Hyun Yoon, Iowa State University
Tenkasi V. Ramabadran, Iowa State University

La Jolla, CA

12:00 PM

Accuracy improvement of small defect detection for ultrasonic inspection by using scientific visual analysis

Section: Imaging and Inversion Methods

Noboru Sugawara, Kitami Institute of Technology
Toshiyuki Oshima, Kitami Institute of Technology
Shinya Sugiura, Konoikegumi Corporation

La Jolla, CA

12:00 PM

An advanced approach for pointwise NDE imaging

Section: Imaging and Inversion Methods

E. Chern, National Aeronautsics and Space Administration

La Jolla, CA

12:00 PM

An application of object-oriented technology to unified life cycle engineering

Section: Neural Networks

Samuel Wormley, Iowa State University
H. Shah, Iowa State University
D. Sheth, Iowa State University
B. Forouraghi, Iowa State University
Lester W. Schmerr, Iowa State University

La Jolla, CA

12:00 PM

An experimental study of tomographic imaging in layered media

Section: Imaging and Inversion Methods

Y. Wang, University of Oklahoma
R. A. Kline, University of Oklahoma

La Jolla, CA

12:00 PM

An inversion approach to ultrasonic imaging through reflective interfaces in multi-layered structures

Section: Imaging and Inversion Methods

K. McRae, Department of National Defense Canada
Cedric A. Zala, Barrodale Computing Services Ltd.

La Jolla, CA

12:00 PM

Application of a finite-difference modeling scheme for ultrasonic defect characterization

Section: Imaging and Inversion Methods

P. van't Veen, Netherlands Organisation for Applied Scientific Research
E. J. M. Giling, Netherlands Organisation for Applied Scientific Research
L. F. van der Wal, Neterlands Organisation for Applied Scientific Research

La Jolla, CA

12:00 PM

Automated interpretation of external tank weld radiographs

Section: Imaging and Inversion Methods

Ronald Reightler, Martin Marietta Corporation

La Jolla, CA

12:00 PM

Crack-depth determination by a neural network with a synthetic training data set

Section: Neural Networks

M. Takadoya, Mitsubishi Research Institute
M. Notake, Mitsubishi Research Institute
M. Kitahara, Tokai University
J. D. Achenbach, Northwestern University
Q. C. Guo, Northwestern University
M. L. Peterson

La Jolla, CA

12:00 PM

Diffusivity measurement using quasi periodic temperature response modeling

Section: Imaging and Inversion Methods

Pierre Emeric, College of William and Mary
William P. Winfree, National Aeronautics and Space Administration

La Jolla, CA

12:00 PM

Evaluation of waveform mapping as a signal processing tool for quantitative ultrasonic NDE

Section: Signal Processing

Patrick Johnston, National Aeronautsics and Space Administration
Doron Kishoni, College of William and Mary

La Jolla, CA

12:00 PM

Image processing techniques for improved porosity estimation

Section: Imaging and Inversion Methods

Nader Saffari, University College London
Amit Som, University College London
David T. Green

La Jolla, CA

12:00 PM

Imaging of impact damage in graphite epoxy composites

Section: Imaging and Inversion Methods

E. Birt, AS&M
William P. Winfree, National Aeronautics and Space Administration
B. T. Smith, College of William and Mary
G. L. Farley, National Aeronautics and Space Administration

La Jolla, CA

12:00 PM

Model-based signal processing techniques for ultrasonic flaw detection: simulation studies

Section: Signal Processing

Chien-Ping Chiou, Iowa State University
R. Bruce Thompson, Iowa State University
Lester W. Schmerr, Iowa State University

La Jolla, CA

12:00 PM

Morphological filters: Statistical evaluation and applications in ultrasonic NDE

Section: Signal Processing

M. Mohamed, Illinois Institute of Technology
J. Saniie, Illinois Institute of Technology

La Jolla, CA

12:00 PM

Neural network based processing of thermal NDE data for corrosion detection

Section: Neural Networks

D. Prabhu, National Aeronautsics and Space Administration
W. P. Winfree, National Aeronautics and Space Administration

La Jolla, CA

12:00 PM

Neural network for automating diagnosis in aircraft inspection

Section: Neural Networks

Christine Brousset, Centre Commun de Recherches
Gilles Baudrillard, Centre Commun de Recherches

La Jolla, CA

12:00 PM

Optimization of ultrasonic defect reconstruction with multi-SAFT

Section: Imaging and Inversion Methods

M. Lorenz, Netherlands Organisation for Applied Scientific Research
L. F. van der Wal, Netherlands Organisation for Applied Scientific Research
A. J. Berkhout, Delft University of Technology

La Jolla, CA

12:00 PM

Quantitative radioscopic profile analysis via neural networks

Section: Neural Networks

Edward Greenawald, Geo-Centers, Inc.
Chester F. Poranski, United States Department of Defense

La Jolla, CA

12:00 PM

Radial basis functions network for defect sizing

Section: Neural Networks

S. Nair, Iowa State University
S. Udpa, Iowa State University
L. L. Udpa, Iowa State University

La Jolla, CA

12:00 PM

Robust signal processing for material noise suppression in ultrasonic nondestructive testing

Section: Signal Processing

Lars Ericsson, Uppsala University
Tadeusz Stepinski, Uppsala University

La Jolla, CA

12:00 PM

Software for signal processing and display of large 3-D data sets

Section: Signal Processing

Cedric Zala, Barrodale Computing Services Ltd.
J. Michael Berkley, Barrodale Computing Services Ltd.

La Jolla, CA

12:00 PM

Support minimized nonlinear acoustic inversion with absolute phase error correction

Section: Signal Processing

Ali Safaeinili, Iowa State University
Ronald A. Roberts, Iowa State University

La Jolla, CA

12:00 PM

Ultrasonic flaw detection using neural network models and statistical analysis: Simulation studies

Section: Neural Networks

Chien-Ping Chiou, Iowa State University
Lester W. Schmerr, Iowa State University
R. Bruce Thompson, Iowa State University

La Jolla, CA

12:00 PM

Ultrasonic signal analysis using wavelet transform

Section: Signal Processing

J. Chao, Iowa State University
L. Udpa, Iowa State University
S. S. Udpa, Iowa State University

La Jolla, CA

12:00 PM

Ultrasonic tomographic imaging of defects in industrial materials

Section: Imaging and Inversion Methods

Xia Teng, Johns Hopkins University
Robert E. Green Jr., Johns Hopkins University

La Jolla, CA

12:00 PM

Wavelets and nondestructive evaluation

Section: Signal Processing

Sif-Eddine Moubarik, Ecole Centrale Paris
Daniel De Vadder, Ecole Centrale Paris
P. Benoist, CEN-Saclay

La Jolla, CA

12:00 PM

Wavelets and their application to digital signal processing in ultrsaonic NDE

Section: Signal Processing

D. Patterson, Missouri University
B. DeFacio, Missouri University
Steven P. Neal, Missouri University
Charles R. Thompson, Armstrong Laboratory

La Jolla, CA

12:00 PM