Evaluation of intra-fractional CBCT image quality using different megavoltage beam sizes and imaging conditions in a phantom study

Evaluation of intra-fractional CBCT image quality using different megavoltage beam sizes and imaging conditions in a phantom study

Abstract The intra-fractional cone beam computed tomography can provide real-time anatomical information while saving treatment time, leading to important breakthroughs in image-guided radiation therapy. However, MV-level photon scattering during the image acquisition will disrupt the image quality....

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Bibliographic Details
Main Authors: Ruining Song, Shumin Cui, Baomin Chen
Format: Article
Language:English
Published: Nature Portfolio 2025-05-01
Series:Scientific Reports
Subjects:
Intra-fractional cone beam computed tomography
Scattering
Uniformity index
Noise power spectrum
Low contrast visibility
Spatial resolution
Online Access:https://doi.org/10.1038/s41598-025-00902-w
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https://doi.org/10.1038/s41598-025-00902-w

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