ESTRO 2025 - Abstract Book

S2565

Physics - Autosegmentation

ESTRO 2025

Conclusion: Segmentation conformity primarily depends on VMI energy, but less on image sharpness. Careful pre-selection of VMI energies, corresponding to image contrasts expected by automatic organ segmentation (used in algorithm training), ensures robust and consistent segmentation results.

Keywords: Photon-counting CT, organ segmentation, robustness