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Validation of marker-based X-ray measurements of joint kinematics
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- Börlin, Niclas, 1968- (author)
- Umeå universitet,Institutionen för datavetenskap,Massachusetts General Hospital, Boston, MA, Orthopaedic Biomechanics and Biomaterials Laboratory
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- Ioppolo, James L. (author)
- University of Western Australia,Perth Orthopaedic Institute
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- Bragdon, Charles B. (author)
- Massachusetts General Hospital, Boston, MA,Orthopaedic Biomechanics and Biomaterials Laboratory
- (creator_code:org_t)
- Umeå : Umeå University, Department of Computing Science, Umeå University, 2006
- 2006
- English.
- In: Proceedings SSBA 2006. - Umeå : Umeå University, Department of Computing Science, Umeå University. ; , s. 113-116
- Conference paper (other academic/artistic)
Abstract
Subject headings
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- Radiostereometric Analysis (RSA) is an established method for measuring the motion of the skeleton. However, in order to measure dynamic joint kinematics, RSA requires expensive, custom-built hardware. Furthermore, the working volume is restricted to the region around where the beams intersect. The Single-plane RSA Flouroscopy (SPRSAF) has the potential to overcome these limitations. This paper is the first validation of SPRSAF versus RSA on images with clinical image quality. The results say that SPRSAF has a rotational error of (1.3,2.9, 11.6) degrees for rotation about the three primary axes. The corresponding translation results are (8.5, 1.0, 1.5) mm. This indicates that SPRSAF has the precision needed to be clinically useful in at least four of the six degrees of freedom.
Keyword
- Computer Science
- datalogi
- datoriserad bildanalys
- Computerized Image Analysis
- ortopedi
- Orthopaedics
Publication and Content Type
- vet (subject category)
- kon (subject category)
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