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- W2890963555 abstract "This paper presents a simulation study of BrachyShade, a proposed internal source-tracking system for real time quality assurance in high dose rate prostate brachytherapy. BrachyShade consists of a set of spherical tungsten occluders located above a pixellated silicon photodetector. The source location is estimated by minimising the mean squared error between a parametric model of the shadow image and acquired images of the shadows projected on the detector plane. A novel algorithm is finally employed to correct the systemic error resulting from Compton scattering in the medium. The worst-case error obtained with BrachyShade for a 13.5 ms image acquisition is less than 1.3 mm in the most distant part of the treatment volume, while for 75% of source locations an error of less than 0.42 mm was achieved." @default.
- W2890963555 created "2018-09-27" @default.
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- W2890963555 date "2018-10-18" @default.
- W2890963555 modified "2023-09-23" @default.
- W2890963555 title "A simulation study of BrachyShade, a shadow-based internal source tracking system for HDR prostate brachytherapy" @default.
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- W2890963555 doi "https://doi.org/10.1088/1361-6560/aae33d" @default.
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