Development and Accuracy Evaluation of Augmented Reality-based Patient Positioning System in Radiotherapy: A Phantom Study

被引：11

作者：

Tarutani, Kazuo ^{[1
,2
]}

Takaki, Haruyuki ^{[1
]}

Igeta, Masataka ^{[3
]}

Fujiwara, Masayuki ^{[1
]}

Okamura, Ayako ^{[2
]}

Horio, Futo ^{[4
]}

Toudou, Yuki ^{[2
]}

Nakajima, Satoshi ^{[2
]}

Kagawa, Kazufumi ^{[2
]}

Tanooka, Masao ^{[5
]}

Yamakado, Koichiro ^{[1
]}

机构：

[1] Hyogo Coll Med, Dept Radiol, 1-1 Mukogawa Cho, Nishinomiya, Hyogo 6638501, Japan

[2] Kansai Rousai Hosp, Japan Org Occupat Hlth & Safety, Amagasaki, Hyogo, Japan

[3] Hyogo Coll Med, Dept Biostat, Nishinomiya, Hyogo, Japan

[4] Kobe Digital Labo Inc, Kobe, Hyogo, Japan

[5] Takarazuka City Hosp, Dept Radiotherapy, Takarazuka, Hyogo, Japan

来源：

IN VIVO | 2021年 / 35卷 / 04期

关键词：

Augmented reality; head mounted display system; image-guided radiotherapy; patient setup; HOLOLENS; SETUP;

D O I：

10.21873/invivo.12477

中图分类号：

R-3 [医学研究方法]; R3 [基础医学];

学科分类号：

1001 ;

摘要：

Background/Aim: To develop and evaluate the accuracy of augmented reality (AR)-based patient positioning systems in radiotherapy. Materials and Methods: AR head-mounted displays (AR-HMDs), which virtually superimpose a three-dimensional (3D) image generated by the digital imaging and communications in medicine (DICOM) data, have been developed. The AR-based positioning feasibility was evaluated. Then, the setup errors of three translational axes directions and rotation angles between the AR and the conventional laser-based positioning were compared. Results: The AR-based pelvic phantom positioning was feasible. The setup errors of AR-based positioning were comparable to laser-based positioning in all translational axis directions and rotation angles. The time necessary for AR-based positioning was significantly longer than that for laser-based positioning (171.0 s vs. 47.5 s, p<0.001). Conclusion: AR-based positioning for radiotherapy was feasible, and showed comparable positioning errors to those of conventional line-based positioning; however, a markedly longer setup time was necessary.

引用

页码：2081 / 2087

页数：7

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