An efficient hybrid method for 3D to 2D medical image registration

Shabnam Saadat, Diana Perriman, Jennie M. Scarvell, Paul N. Smith, Catherine R. Galvin, Joseph Lynch, Mark R. Pickering

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)

Abstract

Purpose: The purpose of this paper is to present a method for registration of 3D computed tomography to 2D single-plane fluoroscopy knee images to provide 3D motion information for knee joints. This 3D kinematic information has unique utility for examining joint kinematics in conditions such as ligament injury, osteoarthritis and after joint replacement. Methods: We proposed a non-invasive rigid body image registration method which is based on two different multimodal similarity measures. This hybrid registration method helps to achieve a trade-off among different challenges including, time complexity and accuracy. Results: We performed a number of experiments to evaluate the performance of the proposed method. The experimental results show that the proposed method is as accurate as one of the most recent registration methods while it is several times faster than that method. Conclusion: The proposed method is a non-invasive, fast and accurate registration method, which can provide 3D information for knee joint kinematic measurements. This information can be very helpful in improving the accuracy of diagnosis and providing targeted treatment.

Original languageEnglish
Pages (from-to)1313-1320
Number of pages8
JournalInternational Journal of Computer Assisted Radiology and Surgery
Volume17
Issue number7
DOIs
Publication statusPublished - Jul 2022

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