Results 81 to 90 of about 799,606 (219)

Development of a proton Computed Tomography Detector System [PDF]

open access: yes, 2015
Computer tomography is one of the most promising new methods to image abnormal tissues inside the human body. Tomography is also used to position the patient accurately before radiation therapy. Hadron therapy for treating cancer has become one of the most advantageous and safe options.
arxiv   +1 more source

Diagnostic efficacy of cone beam computed tomography in paediatric dentistry: a systematic review

open access: yesEuropean Archives of Paediatric Dentistry, 2019
To determine in which clinical situations it is indicated or contra-indicated to prescribe cone beam computed tomography (CBCT) for paediatric patients.
Keith Horner   +7 more
semanticscholar   +1 more source

Application of a newly developed software program for image quality assessment in cone-beam computed tomography [PDF]

open access: yes, 2017
The purpose of this study was to apply a newly developed free software program, at low cost and with minimal time, to evaluate the quality of dental and maxillofacial cone-beam computed tomography (CBCT) images.info:eu-repo/semantics ...
Campos, Paulo Sergio Flores   +4 more
core   +1 more source

Cardiac Computed Tomography Methods and Systems Using Fast Exact / Quasi Exact Filtered Back Projection Algorithms [PDF]

open access: yes, 2013
The present invention provides systems, methods, and devices for improved computed tomography. More specifically, the present invention includes methods for improved cone-beam computed tomography (CBCT) resolution using improved filtered back projection (
Katsevich, Alexander   +4 more
core   +1 more source

An evaluation of techniques for dose calculation on cone beam computed tomography.

open access: yesBritish Journal of Radiology, 2019
OBJECTIVE: To assess the accuracy and efficiency of four different techniques, thus determining the optimum method for recalculating dose on cone beam CT (CBCT) images acquired during radiotherapy treatments.
V. Giacometti   +6 more
semanticscholar   +1 more source

Coronal Tomography [PDF]

open access: yesarXiv, 2008
A simple, yet powerful, algorithm for computed tomography of the solar corona is presented and demonstrated using synthetic EUV data. A minimum of three perspectives are required. These may be obtained from STEREO/EUVI plus an instrument near Earth, e.g. TRACE or SOHO/EIT.
arxiv  

Layered Deep Learning for automatic mandibular segmentation in cone-beam computed tomography.

open access: yesE -journal of dentistry, 2021
P. Verhelst   +9 more
semanticscholar   +1 more source

Clinical indications and radiation doses of cone beam computed tomography in orthodontics

open access: yesMedicine and Pharmacy Reports, 2019
Cone beam computed tomography can be used in pediatric population when a tridimensional analysis of dental and maxillofacial bone structures is required.
Ioana Colceriu-Șimon   +7 more
semanticscholar   +1 more source

Reliability of panoramic radiographs to determine the vertical position of the impacted third molar root tip from the inferior alveolar canal [PDF]

open access: yes, 2013
Magister Scientiae - MScNowadays, the availability of radiographic modalities from conventional radiography to more advanced approaches such as medical computed tomography as well as cone beam computed tomography have been useful in providing insights of
Fauzi, Azizah Ahmad
core  

Age estimation by pulp/tooth area ratio in anterior teeth using cone-beam computed tomography: comparison of four teeth [PDF]

open access: yes, 2022
Objectives: Age estimation is one of the most important factors in forensic medicine. Measuring secondary dentin deposition using cone-beam computed tomography images is an easy and noninvasive method.
Bijani, Ali   +3 more
core   +1 more source

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