%0 Journal Article %T lrm;Improving head and neck organs at risk segmentation in CT using residual U-Net with slice-based preprocessinglrm; %A Heshmati Janat Magham, Khashayar %A Rafat Motavalli, Laleh %A Miri Hakimabad, Seyyed Hashem %A مهدیه دیانی %J Radiation Physics and Engineering %@ 2645-6397 %D 2026