Bulletin of the American Physical Society
APS March Meeting 2021
Volume 66, Number 1
Monday–Friday, March 15–19, 2021; Virtual; Time Zone: Central Daylight Time, USA
Session H71: Poster Session I (2:00pm - 4:00pm)
2:00 PM,
Tuesday, March 16, 2021
Abstract: H71.00114 : A novel approach to registration of RGB images of human hands*
Presenter:
Luka Rogelj
(Physics, Faculty of mathematics and physics, University of Ljubljana)
Authors:
Luka Rogelj
(Physics, Faculty of mathematics and physics, University of Ljubljana)
Jaka Ostrovršnik
(Department of rheumatology, University medical centre Ljubljana)
Matija Tomsic
(Department of rheumatology, University medical centre Ljubljana)
Matija Milanic
(Physics, Faculty of mathematics and physics, University of Ljubljana)
Urban Simoncic
(Physics, Faculty of mathematics and physics, University of Ljubljana)
We present semi-automatic registration method. It uses anatomical landmarks of a hand, and an extrapolation technique to wrap it to a template. The use of the algorithm is presented on 12 hands. Registration was performed by the use of landmarks selected visually on RGB image. Further, the registration was benchmarked against the ground truth registration, where the landmarks were determined by a rheumatologist using ultrasound. The average difference in pixel position between final images of both cases was 1.3 mm, with standard deviation of 1.4 mm.
We demonstrated that semi-automatic method for landmar selection successfully coregister images to pre-defined template. Besides neuroimaging, the method could make a major impact in the field of rheumatology.
*Slovenian Research Agency (P1-0389, J2-8171).
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