Development of Automated Real-time Tracking and Localizing System in Radiotherapy
- VernacularTitle:放疗自动实时跟踪定位系统的研制
- Author:
Yang YU
;
Yun GE
;
Fengyuan QIAN
- Publication Type:Journal Article
- Keywords:
radiotherapy localizing;
infrared tracking;
space registration
- From:
Chinese Medical Equipment Journal
2003;0(11):-
- CountryChina
- Language:Chinese
-
Abstract:
Objective To develop a system achieving automated real-time tracking and localizing of tumor center in radiotherapy. Methods High-accuracy infrared tracking cameras' coordinate system was calibrated with the treatment machine. A kind of passive marker was introduced, which can be imaged by computed tomography and can be localized by the infrared cameras during radiotherapy. Several markers on the surface of the thermal-shaped film were fixed, and then the real-time co-ordinates of the markers was compared with those obtained from the computed tomography. With subsequent space registration, the position biases could be shown finally, which could help achieving the real-time tracking and localizing of the tumor center. Results With infrared tracking cameras and appropriate software, the system can achieve automated and real-time localization in radiotherapy. Conclusion The system is more automated, accurate and speedy than the traditional localization method.
