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A Correction procedure for the self-absorption artifacts in x-ray Compton tomography

Brunetti, Antonio and Golosio, Bruno and Cesareo, Roberto (2002) A Correction procedure for the self-absorption artifacts in x-ray Compton tomography. X-Ray Spectrometry, Vol. 35 (5), p. 377-382. eISSN 1097-4539. Article.

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DOI: 10.1002/xrs.592


Compton tomography generally makes use of the same scanning techniques (rotations and translations) as transmission tomography but modifies the reconstruction software. However, it is also possible to use an x-y scanning technique, i.e. two independent sets of linear translations of the source and of the detector. The x-y technique allows one to scan only a limited zone of the sample, whereas the rotation-translations method needs to scan the whole sample. x-y scanning has a serious drawback: it is more sensitive than the translation-rotation technique to self-absorption phenomena in the matrix. In this paper a new algorithm for x-y scanning reconstruction is described. This algorithm considers and corrects self-absorption effects without requiring a priori knowledge about the chemical composition.

Item Type:Article
ID Code:2028
Uncontrolled Keywords:Compton tomography, x–y scanning technique, self-absorption effects
Subjects:Area 02 - Scienze fisiche > FIS/07 Fisica applicata (a beni culturali, ambientali, biologia e medicina)
Divisions:001 Università di Sassari > 03 Istituti > Matematica e fisica
Publisher:John Wiley & Sons
Deposited On:18 Aug 2009 10:06

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