MRI Registration for Human Hip Kinematics
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Authors
Eveleigh, Ryan
Date
2016-07-05
Type
thesis
Language
eng
Keyword
Hip Kinematics , Image Registration , MRI
Alternative Title
Abstract
Measurement of joint kinematics can provide knowledge to help improve joint prosthesis
design, as well as identify joint motion patterns that may lead to joint degeneration
or injury. More investigation into how the hip translates in live human subjects during
high amplitude motions is needed. This work presents a design of a non-invasive
method using the registration between images from conventional Magnetic Resonance
Imaging (MRI) and open MRI to calculate three dimensional hip joint kinematics.
The method was tested on a single healthy subject in three different poses. MRI
protocols for the conventional gantry, high-resolution MRI and the open gantry, lowresolution
MRI were developed. The scan time for the low-resolution protocol was
just under 6 minutes. High-resolution meshes and low resolution contours were derived
from segmentation of the high-resolution and low-resolution images, respectively.
Low-resolution contours described the poses as scanned, whereas the meshes
described the bones’ geometries. The meshes and contours were registered to each
other, and joint kinematics were calculated. The segmentation and registration were
performed for both cortical and sub-cortical bone surfaces. A repeatability study was
performed by comparing the kinematic results derived from three users’ segmentations
of the sub-cortical bone surfaces from a low-resolution scan. The root mean
squared error of all registrations was below 1.92mm. The maximum range between segmenters in translation magnitude was 0.95mm, and the maximum deviation from the average of all orientations was 1.27◦.
This work demonstrated that this method for non-invasive measurement of hip
kinematics is promising for measuring high-range-of-motion hip motions in vivo.
Description
Thesis (Master, Mechanical and Materials Engineering) -- Queen's University, 2016-07-03 16:18:27.435
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Queen's University's Thesis/Dissertation Non-Exclusive License for Deposit to QSpace and Library and Archives Canada
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Copying and Preserving Your Thesis
This publication is made available by the authority of the copyright owner solely for the purpose of private study and research and may not be copied or reproduced except as permitted by the copyright laws without written authority from the copyright owner.
ProQuest PhD and Master's Theses International Dissemination Agreement
Intellectual Property Guidelines at Queen's University
Copying and Preserving Your Thesis
This publication is made available by the authority of the copyright owner solely for the purpose of private study and research and may not be copied or reproduced except as permitted by the copyright laws without written authority from the copyright owner.