Cem Altunbas

Cem Altunbas, PhD is a Professor in the Department of Radiation Oncology at the University of Colorado School of Medicine. His work focuses on advancing Cone Beam Computed Tomography (CBCT) for radiation therapy applications, with a particular emphasis on scatter rejection, image reconstruction, and quantitative accuracy.

• Key Research Areas: Medical Physics, Radiation Oncology, CBCT Imaging, Scatter Correction, Tumor Imaging

His research has led to significant innovations in 2D antiscatter grid design, cross-scatter suppression, and artifact reduction in CBCT systems. Recent publications highlight applications in pelvis imaging, brain imaging, and dual-energy material decomposition. His work often integrates collaborations with physicists and clinicians to improve image-guided radiation therapy workflows.

Scientific Recognition includes board certification in Therapeutic Medical Physics by the American Board of Radiology (2010). His contributions span over a decade, with >55 publications addressing challenges in CBCT image fidelity and radiation dosimetry.