Homepage
of
Thomas
Ridsdill-Smith
Centre for Teaching &
Research in Strategic Mineral Deposits
Contents:
Introduction:
My main area of research is the application of
wavelet transforms to the processing and interpretation of aeromagnetic
data. I am particularly interested in the application of
operators to both located and gridded data in order to produce
enhancements for geological interpretation. In certain cases, wavelet
transforms provide a robust and effective alternative to conventional
Fourier-domain and spatial convolution techniques.
My latest interest is the use of wavelet transforms on irregularly
spaced data. For further information, please contact me by email.
News:
MATLAB code is finally available for
download!!! See here for details.
I am currently working for Woodside Petroleum in Perth. See the
bottom of the page for contact details. Also, my PhD is now available
for download from this web site (see below).
All of my downloadable papers have been moved to a new server now so
hopefully there shouldn't be any download problems.
Matlab
Code:
All of the Matlab code accompanying my thesis is available for download.
DOWNLOAD
MATLAB CODE
The code can be used to reproduce most of the figures in my thesis
using the actual algorithms I outline in the text. So if you would like
to try
out some different parameters you can. Hopefully this also makes it
easier
to reproduce my results. Please note that this code is "as is" and I
will
not be supporting it.
Publications:
PhD Thesis:
'The application of the wavelet transform
to the
processing of aeromagnetic data'
Supervised by Dr M.C.Dentith, Dr R.D.List and Dr
A.R.Gabell
Download
Acrobat PDF copy (2.7Mb) **** DOWNLOAD NOW ****
Requires adobe acrobat to view : see the acrobat
web site for details (its free!)
Note this version contains low-res versions of many of the figures.
If you would prefer a high-resolution postscript version of the thesis
suitable for printing, please email
me and I'll send you a CD copy.
The accompanying Matlab code for with the thesis is now available here .
- Ridsdill-Smith, T.A. 2001 '
Wavelet transforms for aeromagnetic processing ' in
Proccedings Future Directions in the Analysis of Potential Field Data:
inversion, signal processing, interpretation, Perth, Western Australia
(PDF file 1.12Mb).
- Ridsdill-Smith, T.A. 2000 '
Wavelet compression of an equivalent layer ' 70th Annual
International Meeting Society of Exploration
Geophysics, Expanded Abstracts (PDF File 2.06Mb).
- Ridsdill-Smith, T.A. and Dentith, M.C. 2000 ' Drape corrections of
aeromagnetic data using wavelets ' Exploration Geophysics, 31
, 39-46. (PDF File 2.28Mb)
- Ridsdill-Smith, T.A., Dentith, M.C. and List. R. 1999 'Applications
of wavelet transforms in aeromagnetic data processing' 6th Annual
International Meeting of the South African Geophysical Association,
September 1999,
Cape Town, South Africa. Download zipped
postscript (466K) Download PDF (483K)
- Ridsdill-Smith, T.A. 1999 '
Wavelet design of time-varying filters ' 5th International
Symposium on Signal Processing and its
Applications, IEEE, 599-602. (PDF file 70K)
- Nener, B.D, Ridsdill-Smith, T., Zeisse, C.R, Gathman, S.G and
Jensen D.R., 1999 'Marine aerosol and midwave infrared transmission
' European Aerosol Conference, Prague.
- Nener, B.D., Ridsdill-Smith, T.A. and Zeisse, C. 1999 ' Wavelet analysis of low altitude infra-red
transmission in the coastal environment ' Infrared Physics and
Technology, 40 (5), 399-409.
(zip file - 427K)
- Ridsdill-Smith,T.A. and Dentith, M.C.
1999 '
The wavelet transform in aeromagnetic processing ' Geophysics,
64 (4), 1003-1013.
Download zipped postscript (178K) Download
PDF (196K)
- Ridsdill-Smith, T.A. 1998 '
Separation filtering of aeromagnetic data using filter-banks '
Exploration Geophysics, 29, nos. 3 and 4, 577-583. Download paper (107K) Download figures 1-5 (273K) Download figures 6-8 (380K)
- Ridsdill-Smith, T.A., 1998 ' Separating aeromagnetic anomalies using
wavelet matched filters ' 68th Annual International
Meeting Society of Exploration Geophysics, Expanded Abstracts, 550-553.
(zip file - 224K)
- Cook, I., Ridsdill-Smith, T.A. and
Roocke, P. 1997 'Recent advances in airborne geophysics' in
Colin V. Reeves (Ed) 'Proceedings of the Workshop on Airborne
Geophysics - Hyderabad 1996' AEG India.
Links:
University
Wavelets
General
Contact:
Woodside Energy Ltd
Geophysics Department
1 Adelaide Tce
Perth WA 6000
AUSTRALIA
Telephone : (618) 9348 6236
Fax : (618)
9348 4464
Email : tom_rs@yahoo.com or
tom.ridsdill-smith@woodside.com.au
(you will probably get a quicker answer from my Woodside address!)
If you have comments or suggestions, email me at tom_rs@yahoo.com
http://home.swiftdsl.com.au/~tomrs/index.html
Last updated : 18 March 2004