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Titel
TGV for diffusion tensors: A comparison of fidelity functions / Tuomo Valkonen, Kistian Bredies and Florian Knoll
VerfasserValkonen, Tuomo ; Bredies, Kristian In der Gemeinsamen Normdatei der DNB nachschlagen ; Knoll, Florian
Erschienen in
Journal of Inverse and Ill-posed Problems, 2013, Jg. 21, H. 3, S. 355-377
ErschienenDe Gruyter
SpracheEnglisch
DokumenttypAufsatz in einer Zeitschrift
Schlagwörter (EN)Total generalised variation / total Deformation / regularisation / diffusion tensor imaging / medical imaging
ISSN1569-3945
URNurn:nbn:at:at-ubg:3-1370 Persistent Identifier (URN)
DOIdoi:10.1515/jip-2013-0005 
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 Das Werk ist frei verfügbar
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TGV for diffusion tensors: A comparison of fidelity functions [1.29 mb]
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Zusammenfassung (Englisch)

We study the total generalised variation regularisation of symmetric tensor fields from medical applications, namely diffusion tensor regularisation. We study the effect of the pointwise positivity constraint on the tensor field, as well as the difference between direct denoising of the tensor field first solved from the StejskalTanner equation, as was done in our earlier work, and of incorporating this equation into the fidelity function. Our results indicate that the latter novel approach provides improved computational results.

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