Low dose CBCT reconstruction via prior contour based total variation (PCTV) regularization: a feasibility study

Y Chen, FF Yin, Y Zhang, Y Zhang… - Physics in Medicine & …, 2018 - iopscience.iop.org
Purpose: compressed sensing reconstruction using total variation (TV) tends to over-smooth
the edge information by uniformly penalizing the image gradient. The goal of this study is to …

On the improvement of CBCT image quality for soft tissue‐based SRS localization

W Mao, SJ Gardner, KC Snyder… - Journal of applied …, 2018 - Wiley Online Library
Purpose We explore the optimal cone‐beam CT (CBCT) acquisition parameters to improve
CBCT image quality to enhance intracranial stereotactic radiosurgery (SRS) localization and …

Image quality of four-dimensional cone-beam computed tomography obtained at various gantry rotation speeds for liver stereotactic body radiation therapy with …

Y Shimohigashi, F Araki, M Maruyama, K Yonemura… - Physica Medica, 2018 - Elsevier
In this study, qualities of 4D cone-beam CT (CBCT) images obtained using various gantry
rotation speeds (GRSs) for liver stereotactic body radiation therapy (SBRT) with fiducial …

[HTML][HTML] Volumetric Cine Imaging for On-board Target Localization in Radiation Therapy

W Harris - 2018 - dukespace.lib.duke.edu
Accurate target localization is critical for liver and lung cancers due to uncertainties caused
by respiratory motions. On-board four-dimensional (4D) or real-time verification of the tumor …