An Automatic Spatial Registration Method for Image-Guided Neurosurgery System

The Journal of Craniofacial Surgery
Yifeng FanXiufang Xu

Abstract

This study aimed to investigate the feasibility of an automatic marker-free patient-to-image spatial registration method based on the 4-points congruent sets (4PCS) and iterative closest point (ICP) algorithm for the image-guided neurosurgery system (IGNS). A portable scanner was used to obtain the point cloud of the patient's entire head. The 4PCS algorithm, which is resilient to noise and outliers, automatically registered the point cloud in the patient space to the surface reconstructed from the patient's preoperative images in the image space without any assumptions about initial alignment. A variant of the ICP algorithm was then used to finish the fine registration. Two phantoms and 3 patients' experiments were performed to demonstrate the effectiveness of the proposed method. In the phantom experiments, the mean target registration error of 15 targets on the surface of the rigid and the elastic phantoms were 1.02 ± 0.18 mm and 1.27 ± 0.36 mm, respectively. In the clinical experiments, the mean target registration error of 7 targets on the first, second and third patient's head were 1.88 ± 0.19 mm, 1.84 ± 0.19 mm, and 1.89 ± 0.18 mm, respectively, which was sufficient to meet clinical requirements. The registration accurac...Continue Reading

References

Jul 11, 2006·Physics in Medicine and Biology·Terry M Peters
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Oct 23, 2010·Medical Physics·Jiann-Der LeeShin-Tseng Lee
Oct 27, 2010·IEEE Transactions on Pattern Analysis and Machine Intelligence·Andriy Myronenko, Xubo Song
Jan 19, 2011·Neurosurgery·Man Ning Wang, Zhi Jian Song
Jun 5, 2013·The International Journal of Medical Robotics + Computer Assisted Surgery : MRCAS·Akram I OmaraZhijian Song
Oct 21, 2014·The International Journal of Medical Robotics + Computer Assisted Surgery : MRCAS·Long JiangLixu Gu
May 5, 2016·International Journal of Computer Assisted Radiology and Surgery·Chaozheng ZhouTom Williamson
Sep 3, 2016·Medical Image Analysis·Ian J GerardD Louis Collins
Dec 13, 2016·The Journal of Craniofacial Surgery·Yifeng FanManning Wang
Sep 1, 2015·Journal of Medical Imaging and Radiation Sciences·Neil W D Thomas, John Sinclair

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Citations

Oct 23, 2018·The International Journal of Medical Robotics + Computer Assisted Surgery : MRCAS·Woo Young Kim, Seong Young Ko

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