An Efficient Image Registration Method for 3D Post-Operative Analysis of Total Knee Arthroplasty

摘要

Image registration is the process of spatially aligning one image to another. It has applicationsin different areas of medical image analysis. It can be used to assist the investigation of jointkinematics in conditions such as ligament injury, osteoarthritis, and after joint replacement.Analysing the 3D movement of joints after total knee arthroplasty surgery is crucial as thecorrect position and relative movement of knee implants will significantly impact the success ofthe surgery. However, most studies on this area are not very accurate or computationallyexpensive, or invasive, and still insufficient and developing. In this paper, we propose a noninvasiveand robust 3D to 2D registration method, which can be used for 3D evaluations of thestatus of knee implants. This method addresses several challenges with regard to theregistration of the implants. The experimental results show that the proposed method is not onlyrobust but also fast.