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A whole body atlas for segmentation and delineation of organs for radiation therapy planning
Karolinska.
Department of Radiology, Karolinska Hospital.
New York University.
KTH, Superseded Departments, Microelectronics and Information Technology, IMIT.ORCID iD: 0000-0002-6066-746X
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2001 (English)In: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, ISSN 0168-9002, E-ISSN 1872-9576, Vol. 471, no 1-2, 160-164 p.Article in journal (Refereed) Published
Abstract [en]

A semi-automatic procedure for delineation of organs, to be used as the basis of a whole body atlas database for radiation therapy planning was developed. The Visible Human Male Computed Tomography (CT)-data set was used as a standard man reference. The organ of interest was outlined manually and then transformed by a polynomial warping algorithm onto a clinical patient CT. This provided an initial contour, which was then adjusted and refined by the semi-automatic active contour model to find the final organ outline. The liver was used as a test organ for evaluating the performance of the procedure. Liver outlines obtained by the segmentation algorithm on six patients were compared to those manually drawn by, a radiologist. The combination of warping and semi-automatic active contour model generally provided satisfactory segmentation results, but the procedure has to be extended to three dimensions.

Place, publisher, year, edition, pages
2001. Vol. 471, no 1-2, 160-164 p.
Keyword [en]
active contour model, image warping, radiation therapy planning, segmentation, whole body atlas, radiotherapy, algorithm
National Category
Radiology, Nuclear Medicine and Medical Imaging
Research subject
SRA - ICT
Identifiers
URN: urn:nbn:se:kth:diva-20966DOI: 10.1016/S0168-9002(01)00984-6ISI: 000171206500031OAI: oai:DiVA.org:kth-20966DiVA: diva2:339663
Note
QC 20100525Available from: 2010-08-10 Created: 2010-08-10 Last updated: 2017-12-12Bibliographically approved

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Maguire, Gerald Q. Jr.

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Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Radiology, Nuclear Medicine and Medical Imaging

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  • apa
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