Explanipedia

2D antiscatter grid and scatter sampling based CBCT method for online dose calculations during CBCT guided radiation therapy of pelvis Open

Farhang Bayat, Brian W. Miller, Yeonok Park, Zhelin Yu, Timur Alexeev , et al. · 2023

Background Online dose calculations before the delivery of radiation treatments have applications in dose delivery verification, online adaptation of treatment plans, and simulation‐free treatment planning. While dose calculations by direc…

A 2D antiscatter grid and scatter sampling based CBCT method for online dose calculations during CBCT guided radiation therapy of pelvis Open

Farhang Bayat, Brian W. Miller, Yeonok Park, Zhelin Yu, Timur Alexeev , et al. · 2023

Online dose calculations before radiation treatment have applications in dose delivery verification, plan adaptation, and treatment planning. We propose a novel CBCT imaging pipeline to enhance accuracy. Our approach aims to improve HU acc…

A unified scatter rejection and correction method for cone beam computed tomography Open

Cem Altunbas, Yeonok Park, Zhelin Yu, Anant Gopal · 2020

Purpose Scattered radiation is a major cause of image quality degradation in flat panel detector‐based cone beam CT (CBCT). While recently introduced 2D antiscatter grids reject the majority of scatter fluence, the small percentage of scat…

Simultaneous scatter rejection and correction method using 2D antiscatter grids for CBCT Open

Zhelin Yu, Yeonok Park, Cem Altunbas · 2020

While two-dimensional antiscatter grids (2D grid) reduce scatter intensity substantially in Cone Beam Computed Tomography (CBCT), a small fraction of scattered radiation is transmitted through the 2D grid to the detector. Residual scatter …

Field-stepped direct detection electron paramagnetic resonance Open

Zhelin Yu, Tengzhi Liu, Hanan Elajaili, George A. Rinard, Sandra S. Eaton , et al. · 2015

Multiharmonic electron paramagnetic resonance for extended samples with both narrow and broad lines Open

Zhelin Yu, Mark Tseytlin, Sandra S. Eaton, Gareth R. Eaton · 2015

Rapid Scan Electron Paramagnetic Resonance (EPR) and Digital EPR Development Open

Zhelin Yu · 2015

Rapid scan electron paramagnetic resonance (EPR) was developed in the Eaton laboratory at the University of Denver. Applications of rapid scan to wider spectra, such as for immobilized nitroxides, spin-labeled proteins, irradiated tooth an…

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