Improved NASVD smoothing of airborne gamma-ray spectra

Exploration Geophysics

Volumn 29, Issue 4, 1998, Pages 516-523

  Minty, Brian ^a   McFadden, P ^a  

^a AUSTRALIAN GEOLOGICAL SURVEY ORGANISATION   (Australia)

Author keywords

Airborne gamma ray spectra; NASVD; Noise reduction; Singular value decomposition; Spectral smoothing

Indexed keywords

EID: 85009381970     PISSN: 08123985     EISSN: 18347533     Source Type: Journal    
DOI: 10.1071/EG998516     Document Type: Article

References (9)

1. Dickson, B.H., 1980. Analytic methods for multichannel airborne radiometrics. M.Sc. thesis, University of Toronto (unpublished).
2. Grasty, R.L., Glynn, J.E., and Grant, J. A., 1985. The analysis of multichannel airborne gamma-ray spectra. Geophysics, 50, 2611-2620.
3. Green, A.A., Berman, M., Switzer, P., and Craig, M.D., 1988. A transform for ordering multispectral data in terms of image quality with implications for noise removal. IEEE Trans, on Geoscience and Remote Sensing, 26, 65-74.
4. Hovgaard, J., 1997. A new processing technique for airborne gamma-ray spectrometer data (Noise adjusted singular value decomposition). Am. Nucl. Soc. Sixth topical meeting on Emergency Preparedness and Response, pp. 123-127, San Fransisco, April 22-25, 1997.
5. Hovgaard, J., and Grasty, R.L., 1997. Reducing statistical noise in airborne gamma- ray data through spectral component analysis. In "Proceedings of Exploration 97: Fourth Decennial Conference on Mineral Exploration" edited by A.G. Gubins, 1997, 753-764.
6. Minty, B.R.S., McFadden, PL. and Kennett, B.L.N., (1998). Multichannel processing for airborne gamma-ray spectrometry, Geophysics, TENTATIVELY vol 63(6).
7. Press, W.H., Flannery, B.P., Teukolsky, S.A., and Vetterling, W.T., 1986. Numerical Recipes: The art of scientific computing. Cambridge University Press, Cambridge.
8. Richards, J.A., 1993. Remote sensing digital image analysis. Second, revised and enlarged edition, Springer-Verlag.
9. Tammenmaa, J.K., Grasty, R.L., and Peltaniemi, M., 1976. The reduction of statistical noise in airborne radiometric data. Canadian Journal of Earth Sciences, 13(10), 1351-1357