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Author profile
Hengrui Zhao
Medical Artificial Intelligence and Automation (MAIA) Lab, Department of Radiation Oncology, UT Southwestern Medical Center
Automatic Segmentation of Post-Operative Head and Neck Primary CTV In a Multimodal Framework
Automating post-operative primary clinical target volume (CTV) segmentation in head and neck (H&N) cancers is challenging due to the surgical absence of the primary tumor and anatomical heterogeneity. Without the distinct radiographic boundaries of a gross tu...
Poster Program · Therapy Physics
Prior-Guided Automatic Segmentation of Brain Tumor Targets for Adaptive Radiation Therapy on MR-Linacs
T1-weighted (T1w) and T2-weighted (T2w) FLAIR MRI provide complementary image contrast for delineating gross tumor volume (GTV) and clinical target volume (CTV) in brain tumor radiotherapy (RT) planning during both MRI simulation (MR-Sim) and MRI-guided RT (M...
Poster Program · Therapy Physics
Prior Knowledge-Based Augmentation for Target Auto-Segmentation In Adaptive Radiation Therapy Using Segment Anything Model 2
Accurate tumor segmentation is essential for adaptive radiation therapy (ART) but remains time-consuming, labor-intensive, and subject to considerable inter-user variations. Recent advances in foundation models, such as Segment Anything Model 2 (SAM2), show s...
Proffered Program · Therapy Physics