Sökning: id:"swepub:oai:DiVA.org:liu-132069" >
Quantitative analys...
Quantitative analysis of the patellofemoral motion pattern using semi-automatic processing of 4D CT data
-
- Forsberg, Daniel (författare)
- Linköpings universitet,Medie- och Informationsteknik,Tekniska högskolan,Centrum för medicinsk bildvetenskap och visualisering, CMIV,Sectra AB, Linköping, Sweden
-
- Lindblom, Maria (författare)
- Linköpings universitet,Institutionen för medicin och hälsa,Medicinska fakulteten,Region Östergötland, Röntgenkliniken i Linköping
-
- Quick, Petter (författare)
- Linköpings universitet,Institutionen för medicin och hälsa,Medicinska fakulteten,Centrum för medicinsk bildvetenskap och visualisering, CMIV,Region Östergötland, Röntgenkliniken i Linköping
-
visa fler...
-
- Gauffin, Håkan (författare)
- Linköpings universitet,Avdelningen för kliniska vetenskaper,Medicinska fakulteten,Region Östergötland, Ortopedkliniken i Linköping
-
visa färre...
-
(creator_code:org_t)
- 2016-03-01
- 2016
- Engelska.
-
Ingår i: International Journal of Computer Assisted Radiology and Surgery. - : SPRINGER HEIDELBERG. - 1861-6410 .- 1861-6429. ; 11:9, s. 1731-1741
- Relaterad länk:
-
https://urn.kb.se/re...
-
visa fler...
-
https://doi.org/10.1...
-
visa färre...
Abstract
Ämnesord
Stäng
- To present a semi-automatic method with minimal user interaction for quantitative analysis of the patellofemoral motion pattern. 4D CT data capturing the patellofemoral motion pattern of a continuous flexion and extension were collected for five patients prone to patellar luxation both pre- and post-surgically. For the proposed method, an observer would place landmarks in a single 3D volume, which then are automatically propagated to the other volumes in a time sequence. From the landmarks in each volume, the measures patellar displacement, patellar tilt and angle between femur and tibia were computed. Evaluation of the observer variability showed the proposed semi-automatic method to be favorable over a fully manual counterpart, with an observer variability of approximately 1.5 for the angle between femur and tibia, 1.5 mm for the patellar displacement, and 4.0-5.0 for the patellar tilt. The proposed method showed that surgery reduced the patellar displacement and tilt at maximum extension with approximately 10-15 mm and 15-20 for three patients but with less evident differences for two of the patients. A semi-automatic method suitable for quantification of the patellofemoral motion pattern as captured by 4D CT data has been presented. Its observer variability is on par with that of other methods but with the distinct advantage to support continuous motions during the image acquisition.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Medicinteknik -- Medicinsk bildbehandling (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Medical Engineering -- Medical Image Processing (hsv//eng)
Nyckelord
- Computed tomography; 4D; Patella luxation; Quantitative; Motion pattern
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
Hitta via bibliotek
Till lärosätets databas