Abstract:
PURPOSE:To evaluate the accuracy of three-dimensional cephalometric measurements obtained through an automatic landmark detection algorithm compared to those obtained through manual identification. METHODS:The study demonstrates a comparison of 51 cephalometric measurements (28 linear, 16 angles and 7 ratios) on 30 CBCT (cone beam computed tomography) images. The analysis was performed to compare measurements based on 21 cephalometric landmarks detected automatically and those identified manually by three observers. RESULTS:Inter-observer ICC for each landmark was found to be excellent ([Formula: see text]) among three observers. The unpaired t-test revealed that there was no statistically significant difference in the measurements based on automatically detected and manually identified landmarks. The difference between the manual and automatic observation for each measurement was reported as an error. The highest mean error in the linear and angular measurements was found to be 2.63 mm ([Formula: see text] distance) and [Formula: see text] ([Formula: see text]-Me angle), respectively. The highest mean error in the group of distance ratios was 0.03 (for N-Me/N-ANS and [Formula: see text]). CONCLUSION:Cephalometric measurements computed from automatic detection of landmarks on 3D CBCT image were as accurate as those computed from manual identification.
journal_name
Int J Comput Assist Radiol Surgauthors
Gupta A,Kharbanda OP,Sardana V,Balachandran R,Sardana HKdoi
10.1007/s11548-015-1334-7subject
Has Abstractpub_date
2016-07-01 00:00:00pages
1297-309issue
7eissn
1861-6410issn
1861-6429pii
10.1007/s11548-015-1334-7journal_volume
11pub_type
杂志文章abstract:PURPOSE:Multimodality mammography using conventional 2D mammography and dynamic contrast-enhanced 3D magnetic resonance imaging (DCE-MRI) is frequently performed for breast cancer detection and diagnosis. Combination of both imaging modalities requires superimposition of corresponding structures in mammograms and MR im...
journal_title:International journal of computer assisted radiology and surgery
pub_type: 杂志文章
doi:10.1007/s11548-014-0976-1
更新日期:2014-05-01 00:00:00
abstract:PURPOSE:Minimally invasive aortic valve replacement (MIAVR) procedures remain more complex and technically challenging compared to conventional full sternotomy surgery. This technique involves a restricted surgical field and a limited workspace, which is, at present, strictly reserved for the most experienced surgeons....
journal_title:International journal of computer assisted radiology and surgery
pub_type: 杂志文章
doi:10.1007/s11548-018-1725-7
更新日期:2018-08-01 00:00:00
abstract:RATIONALE AND OBJECTIVES:The ultrasound B-mode-based morphological and texture analysis and Nakagami parametric imaging have been proposed to characterize breast tumors. Since these three feature categories of ultrasonic tissue characterization supply information on different physical characteristics of breast tumors, ...
journal_title:International journal of computer assisted radiology and surgery
pub_type: 杂志文章
doi:10.1007/s11548-018-01908-8
更新日期:2019-04-01 00:00:00
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journal_title:International journal of computer assisted radiology and surgery
pub_type: 杂志文章
doi:10.1007/s11548-015-1186-1
更新日期:2015-06-01 00:00:00
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journal_title:International journal of computer assisted radiology and surgery
pub_type: 杂志文章
doi:10.1007/s11548-019-01987-1
更新日期:2019-08-01 00:00:00
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journal_title:International journal of computer assisted radiology and surgery
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doi:10.1007/s11548-014-1113-x
更新日期:2015-07-01 00:00:00
abstract:PURPOSE:A personalized estimation of the cochlear shape can be used to create computational anatomical models to aid cochlear implant (CI) surgery and CI audio processor programming ultimately resulting in improved hearing restoration. The purpose of this work is to develop and test a method for estimation of the detai...
journal_title:International journal of computer assisted radiology and surgery
pub_type: 杂志文章
doi:10.1007/s11548-017-1701-7
更新日期:2018-03-01 00:00:00
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journal_title:International journal of computer assisted radiology and surgery
pub_type: 杂志文章
doi:10.1007/s11548-010-0425-8
更新日期:2010-07-01 00:00:00
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journal_title:International journal of computer assisted radiology and surgery
pub_type: 杂志文章
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更新日期:2012-07-01 00:00:00
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journal_title:International journal of computer assisted radiology and surgery
pub_type: 杂志文章
doi:10.1007/s11548-009-0366-2
更新日期:2009-11-01 00:00:00
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journal_title:International journal of computer assisted radiology and surgery
pub_type: 杂志文章
doi:10.1007/s11548-009-0282-5
更新日期:2009-03-01 00:00:00
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journal_title:International journal of computer assisted radiology and surgery
pub_type: 杂志文章
doi:10.1007/s11548-016-1421-4
更新日期:2016-10-01 00:00:00
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journal_title:International journal of computer assisted radiology and surgery
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更新日期:2020-03-01 00:00:00
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journal_title:International journal of computer assisted radiology and surgery
pub_type: 杂志文章
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更新日期:2018-03-01 00:00:00
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journal_title:International journal of computer assisted radiology and surgery
pub_type: 杂志文章
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更新日期:2017-07-01 00:00:00
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journal_title:International journal of computer assisted radiology and surgery
pub_type: 杂志文章
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更新日期:2012-03-01 00:00:00
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journal_title:International journal of computer assisted radiology and surgery
pub_type: 杂志文章
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更新日期:2014-07-01 00:00:00
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journal_title:International journal of computer assisted radiology and surgery
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doi:10.1007/s11548-020-02306-9
更新日期:2021-01-23 00:00:00
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journal_title:International journal of computer assisted radiology and surgery
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更新日期:2017-12-01 00:00:00
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更新日期:2018-05-01 00:00:00
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更新日期:2017-09-01 00:00:00
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journal_title:International journal of computer assisted radiology and surgery
pub_type: 杂志文章
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更新日期:2019-08-01 00:00:00
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journal_title:International journal of computer assisted radiology and surgery
pub_type: 杂志文章
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更新日期:2016-08-01 00:00:00
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journal_title:International journal of computer assisted radiology and surgery
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doi:10.1007/s11548-016-1467-3
更新日期:2017-02-01 00:00:00
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journal_title:International journal of computer assisted radiology and surgery
pub_type: 杂志文章
doi:10.1007/s11548-010-0515-7
更新日期:2011-05-01 00:00:00
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journal_title:International journal of computer assisted radiology and surgery
pub_type: 杂志文章
doi:10.1007/s11548-009-0383-1
更新日期:2010-01-01 00:00:00
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journal_title:International journal of computer assisted radiology and surgery
pub_type: 杂志文章
doi:10.1007/s11548-018-1819-2
更新日期:2018-11-01 00:00:00
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journal_title:International journal of computer assisted radiology and surgery
pub_type: 杂志文章
doi:10.1007/s11548-018-01911-z
更新日期:2019-03-01 00:00:00
abstract:PURPOSE:Focal therapy in low-risk prostate cancer may provide the best balance between cancer control and quality of life preservation. As a minimally invasive approach performed under TRUS guidance, brachytherapy is an appealing framework for focal therapy. However, the contrast in TRUS images is generally insufficien...
journal_title:International journal of computer assisted radiology and surgery
pub_type: 杂志文章
doi:10.1007/s11548-016-1380-9
更新日期:2016-06-01 00:00:00
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journal_title:International journal of computer assisted radiology and surgery
pub_type: 杂志文章
doi:10.1007/s11548-011-0626-9
更新日期:2012-05-01 00:00:00