Performing daily prostate targeting with a standard V-EPID and an automated radio-opaque marker detection algorithm.
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Abstract
Online prostate positioning using gold markers and a standard video-based electronic portal imaging device is reported. The average systematic (random) errors have been reduced from 2.1 mm (2.7 mm) to 0.5 mm (1.5 mm) in AP direction, 1.1 mm (1.7 mm) to 0.7 mm (1.2 mm) SI and 1.2 mm (1.7 mm) to 0.6 mm (1.3 mm) LR.
Medical subject headings
- Algorithms
- Prostatic Neoplasms