Real-time tumor-tracking radiotherapy system with monoscocpic imaging system

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In this study, the novel monoscopic imaging system that can be utilized for gated-radiotherapy is proposed. The proposed system can reduce imaging dose due to pulsed fluoroscopy during treatment and can realize compact system. It was shown that the measurement error of the proposed technique was within acceptable level in most cases by performing the evaluations with actual marker positions and actual marker trajectories. In addition, the measurement error can be minimized by optimizing imaging geometry. As a result, the feasibility for clinical use was shown.