Motion estimation and correction in SPECT, PET and CT

AZ Kyme, RR Fulton - Physics in Medicine & Biology, 2021 - iopscience.iop.org
Patient motion impacts single photon emission computed tomography (SPECT), positron
emission tomography (PET) and x-ray computed tomography (CT) by giving rise to …

Diagnosis of cracked teeth using cone-beam computed tomography: literature review and clinical experience

A Gao, D Cao, Z Lin - Dentomaxillofacial Radiology, 2021 - academic.oup.com
Cone-beam computed tomography (CBCT) has been widely used in diagnosis of vertical
root fractures (VRFs) in recent years. According to the American Association of Endodontists …

A motion artifact reduction method for dental CT based on subpixel-resolution image registration of projection data

ME Eldib, MAA Hegazy, MH Cho, MH Cho… - Computers in Biology and …, 2018 - Elsevier
High-resolution imaging is essential in three-dimensional (3D) CT image-based digital
dentistry. A small amount of head motion during a CT scan can degrade the spatial …

Evaluation of Motion Artifact Correction Technique for Cone-Beam Computed Tomography Image Considering Blood Vessel Geometry

Y Jung, H Lee, H Jun, S Cho - Journal of Clinical Medicine, 2024 - mdpi.com
Background: In this study, we present a quantitative method to evaluate the motion artifact
correction (MAC) technique through the morphological analysis of blood vessels in the …

Recent advances in cone-beam CT in oral medicine

D Maret, JN Vergnes, OA Peters, C Peters… - Current Medical …, 2020 - ingentaconnect.com
Background: The cone-beam computed tomography (CBCT) technology has continuously
evolved since its appearance in oral medicine in the early 2000s. Objectives: To present …

Scattering measurement and estimation in angular sequence for cone-beam CT based on projection structural tensor and modeling

F Yang, D Zhang, H Zhang… - Journal of X-Ray Science …, 2019 - content.iospress.com
Based on the structural tensor of projection, this study aims to address and test a new
improved algorithm applying to the distort projection data to generate a high qualified image …

Rigid motion artifact reduction in CT using extended difference function

Y Zhang, L Zhang, Y Sun - Journal of X-Ray Science and …, 2019 - content.iospress.com
BACKGROUND: In computed tomography (CT), a patient motion would result in degraded
spatial resolution and image artifacts. OBJECTIVE: To eliminate motion artifacts, this study …

[PDF][PDF] Model-Based and Data-Driven Geometry Alignment for Angiography Systems

A Preuhs - 2020 - opus4.kobv.de
Tomography is the reconstruction of internal structures based on a sensory signal. X-ray
cone-beam computed tomography (CBCT) measures the X-ray absorption with a source …

[PDF][PDF] Model-Based and Data-Driven Geometry Alignment for Angiography Systems Modellbasierte und Datengestützte Geometrieschätzung für …

A Preuhs - opus4.kobv.de
Bei der röntgenbasierten Flachdetektor Computer Tomographie (FDCT) wird die
Röntgenstrahlenabsorption mit einer Quellen-Detektor-Konfiguration gemessen, die an …