Zobrazeno 1 - 10
of 25
pro vyhledávání: '"Myung Hye Cho"'
Publikováno v:
Sensors, Vol 24, Iss 6, p 1995 (2024)
Dental 3D modeling plays a pivotal role in digital dentistry, offering precise tools for treatment planning, implant placement, and prosthesis customization. Traditional methods rely on physical plaster casts, which pose challenges in storage, access
Externí odkaz:
https://doaj.org/article/dd095139928a4446827268f03eac5650
Publikováno v:
Sensors, Vol 23, Iss 3, p 1288 (2023)
Metal artifacts in dental computed tomography (CT) images, caused by highly X-ray absorbing objects, such as dental implants or crowns, often more severely compromise image readability than in medical CT images. Since lower tube voltages are used for
Externí odkaz:
https://doaj.org/article/047aab2a276347ea83733ce4708c42d4
Publikováno v:
Sensors, Vol 22, Iss 3, p 1253 (2022)
Cone-beam dental CT can provide high-precision 3D images of the teeth and surrounding bones. From the 3D CT images, 3D models, also called digital impressions, can be computed for CAD/CAM-based fabrication of dental restorations or orthodontic device
Externí odkaz:
https://doaj.org/article/4ad1a9d1d44543bcae81564b234afedb
Autor:
Mohamed Elsayed Eldib, Mohamed Hegazy, Yang Ji Mun, Myung Hye Cho, Min Hyoung Cho, Soo Yeol Lee
Publikováno v:
Sensors, Vol 17, Iss 2, p 269 (2017)
We introduce an efficient ring artifact correction method for a cone-beam computed tomography (CT). In the first step, we correct the defective pixels whose values are close to zero or saturated in the projection domain. In the second step, we comput
Externí odkaz:
https://doaj.org/article/34fb5d01a3184558b040c49deff1283b
Publikováno v:
Biomedical physicsengineering express. 6(5)
The successful development of the image denoising techniques for low-dose computed tomography (LDCT) was largely owing to the public-domain availability of spatially-aligned high- and low-dose CT image pairs. Even though low-dose CT scans are also hi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::be8ed07cb71787d4ce4c463b3710b14a
https://pubmed.ncbi.nlm.nih.gov/33444255
https://pubmed.ncbi.nlm.nih.gov/33444255
Publikováno v:
Biomedical engineering letters. 9(3)
Unlike medical computed tomography (CT), dental CT often suffers from severe metal artifacts stemming from high-density materials employed for dental prostheses. Despite the many metal artifact reduction (MAR) methods available for medical CT, those
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8f99e05a81ee9bd767edbc8c335378b8
https://pubmed.ncbi.nlm.nih.gov/31456897
https://pubmed.ncbi.nlm.nih.gov/31456897
Publikováno v:
Computers in Biology and Medicine. 132:104313
Half-scan image reconstruction with Parker weighting can correct motion artifacts in dental CT images taken with a slow scan-based dental CT. Since the residual half-scan artifacts in the dental CT images appear much stronger than those in medical CT
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ef2ddbeefd7e4d9eb2795d4bd9a69ddc
https://doi.org/10.1016/j.compbiomed.2021.104313
https://doi.org/10.1016/j.compbiomed.2021.104313
Publikováno v:
Computers in biology and medicine. 103
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 resolution of the images to the extent where the efficacy of 3D image-based digita
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b6108b92dcaa4f7c79fef69f4e2df6d3
https://pubmed.ncbi.nlm.nih.gov/30390572
https://pubmed.ncbi.nlm.nih.gov/30390572
Autor:
Mohamed Elsayed Eldib, Daniel Hernandez, Soo Yeol Lee, Mohamed A. A. Hegazy, Myung Hye Cho, Min Hyoung Cho
Publikováno v:
Physics in medicine and biology. 63(6)
A small head motion of the patient can compromise the image quality in a dental CT, in which a slow cone-beam scan is adopted. We introduce a retrospective head motion estimation method by which we can estimate the motion waveform from the projection
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c6791b1a9ebf39a9a3c9868edfa7f5d6
https://pubmed.ncbi.nlm.nih.gov/29469055
https://pubmed.ncbi.nlm.nih.gov/29469055
Autor:
Mohamed A. A. Hegazy, Myung Hye Cho, Min Hyoung Cho, Daniel Hernandez, Mohamed Elsayed Eldib, Soo Yeol Lee
Publikováno v:
Medical physics. 45(2)
Purpose In a dental CT scan, the presence of dental fillings or dental implants generates severe metal artifacts that often compromise readability of the CT images. Many metal artifact reduction (MAR) techniques have been introduced, but dental CT sc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::58e8edc258f66c785c702ecc71c058e1
https://pubmed.ncbi.nlm.nih.gov/29220087
https://pubmed.ncbi.nlm.nih.gov/29220087