Change search
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf
Allowable forward model misspecification for accurate basis decomposition in a silicon detector based spectral CT
KTH, School of Engineering Sciences (SCI), Physics, Physics of Medical Imaging.
KTH, School of Engineering Sciences (SCI), Physics, Physics of Medical Imaging.ORCID iD: 0000-0002-5092-8822
KTH, School of Engineering Sciences (SCI), Physics, Physics of Medical Imaging.ORCID iD: 0000-0002-3039-9791
2015 (English)In: IEEE Transactions on Medical Imaging, ISSN 0278-0062, E-ISSN 1558-254X, Vol. 34, no 3, 788-795 p.Article in journal (Refereed) Published
Abstract [en]

Material basis decomposition in the sinogram domain requires accurate knowledge of the forward model in spectral computed tomography (CT). Misspecifications over a certain limit will result in biased estimates and make quantum limited (where statistical noise dominates) quantitative CT difficult. We present a method whereby users can determine the degree of allowed misspecification error in a spectral CT forward model and still have quantification errors that are limited by the inherent statistical uncertainty. For a particular silicon detector based spectral CT system, we conclude that threshold determination is the most critical factor and that the bin edges need to be known to within 0.15 keV in order to be able to perform quantum limited material basis decomposition. The method as such is general to all multibin systems.

Place, publisher, year, edition, pages
IEEE Press, 2015. Vol. 34, no 3, 788-795 p.
National Category
Other Physics Topics
Identifiers
URN: urn:nbn:se:kth:diva-163858DOI: 10.1109/TMI.2014.2361680ISI: 000350870700011Scopus ID: 2-s2.0-84923886681OAI: oai:DiVA.org:kth-163858DiVA: diva2:802549
Note

QC 20150420

Available from: 2015-04-13 Created: 2015-04-13 Last updated: 2017-12-04Bibliographically approved

Open Access in DiVA

fulltext(1269 kB)58 downloads
File information
File name FULLTEXT01.pdfFile size 1269 kBChecksum SHA-512
8c93c645bbf4aed02b12496cca78fe126b82573b6d6636e1d01faa785beb96a073f3cd7fc2c8a23a7bfa46e6f6b6ae499ec0052691f27414443a69e6028759c0
Type fulltextMimetype application/pdf

Other links

Publisher's full textScopusIEEEXplore

Search in DiVA

By author/editor
Bornefalk, HansPersson, MatsDanielsson, Mats
By organisation
Physics of Medical Imaging
In the same journal
IEEE Transactions on Medical Imaging
Other Physics Topics

Search outside of DiVA

GoogleGoogle Scholar
Total: 58 downloads
The number of downloads is the sum of all downloads of full texts. It may include eg previous versions that are now no longer available

doi
urn-nbn

Altmetric score

doi
urn-nbn
Total: 76 hits
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf