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A deviation display method for visualising data in mobile gamma-ray spectrometry.

Kock, Peder LU ; Finck, Robert R; Nilsson, Jonas M C; Östlund, Karl LU and Samuelsson, Christer LU (2010) In Applied Radiation and Isotopes 68. p.1832-1838
Abstract
A real time visualisation method, to be used in mobile gamma-spectrometric search operations using standard detector systems is presented. The new method, called deviation display, uses a modified waterfall display to present relative changes in spectral data over energy and time. Using unshielded (137)Cs and (241)Am point sources and different natural background environments, the behaviour of the deviation displays is demonstrated and analysed for two standard detector types (NaI(Tl) and HPGe). The deviation display enhances positive significant changes while suppressing the natural background fluctuations. After an initialisation time of about 10min this technique leads to a homogeneous display dominated by the background colour, where... (More)
A real time visualisation method, to be used in mobile gamma-spectrometric search operations using standard detector systems is presented. The new method, called deviation display, uses a modified waterfall display to present relative changes in spectral data over energy and time. Using unshielded (137)Cs and (241)Am point sources and different natural background environments, the behaviour of the deviation displays is demonstrated and analysed for two standard detector types (NaI(Tl) and HPGe). The deviation display enhances positive significant changes while suppressing the natural background fluctuations. After an initialisation time of about 10min this technique leads to a homogeneous display dominated by the background colour, where even small changes in spectral data are easy to discover. As this paper shows, the deviation display method works well for all tested gamma energies and natural background radiation levels and with both tested detector systems. (Less)
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author
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Applied Radiation and Isotopes
volume
68
pages
1832 - 1838
publisher
Elsevier
external identifiers
  • wos:000279415800037
  • pmid:20456962
  • scopus:79952198145
ISSN
0969-8043
DOI
10.1016/j.apradiso.2010.04.004
language
English
LU publication?
yes
id
ff71c449-de7c-4937-baf4-18a8b13c5e48 (old id 1610387)
alternative location
http://www.ncbi.nlm.nih.gov/pubmed/20456962?dopt=Abstract
date added to LUP
2010-06-01 20:56:17
date last changed
2018-06-10 04:50:23
@article{ff71c449-de7c-4937-baf4-18a8b13c5e48,
  abstract     = {A real time visualisation method, to be used in mobile gamma-spectrometric search operations using standard detector systems is presented. The new method, called deviation display, uses a modified waterfall display to present relative changes in spectral data over energy and time. Using unshielded (137)Cs and (241)Am point sources and different natural background environments, the behaviour of the deviation displays is demonstrated and analysed for two standard detector types (NaI(Tl) and HPGe). The deviation display enhances positive significant changes while suppressing the natural background fluctuations. After an initialisation time of about 10min this technique leads to a homogeneous display dominated by the background colour, where even small changes in spectral data are easy to discover. As this paper shows, the deviation display method works well for all tested gamma energies and natural background radiation levels and with both tested detector systems.},
  author       = {Kock, Peder and Finck, Robert R and Nilsson, Jonas M C and Östlund, Karl and Samuelsson, Christer},
  issn         = {0969-8043},
  language     = {eng},
  pages        = {1832--1838},
  publisher    = {Elsevier},
  series       = {Applied Radiation and Isotopes},
  title        = {A deviation display method for visualising data in mobile gamma-ray spectrometry.},
  url          = {http://dx.doi.org/10.1016/j.apradiso.2010.04.004},
  volume       = {68},
  year         = {2010},
}