ESTRO 2025 - Abstract Book

S3034

Physics - Image acquisition and processing

ESTRO 2025

Figure1 : Examples of (a-i) and (a-ii) pCT scans for different patients; synthetic CBCT reconstructed from (b-i) sSino and (b-ii) cSino; (c-i) and (c-ii) sCT scans generated using the Axial model; and (d-i) and (d-ii) sCT scans generated using the ASAR model.

Figure2 : Boxplots illustrating the internal results for (a-i) MAE and (b-i) SSIM values, as well as the external results for (a-ii) MAE and (b-ii) SSIM values, comparing pCT and sCT before and after applying the model.

Conclusion: The newly introduced multi-domain model has been demonstrated to effectively reduce CBCT artefacts.

Keywords: IGRT, CBCT, deeplearning