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Automatic segmentation of intra-cochlear anatomy in post-implantation CT of unilateral cochlear implant recipients
2014
Medical Image Analysis
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In this study, we propose a method for automatic segmentation of intra-cochlear anatomy in post-implantation CT of unilateral recipients, thus eliminating the need for pre-implantation CTs in this population ...
The approach is to segment the intra-cochlear anatomy in the pre-implantation CT, localize the electrodes in the post-implantation CT, and register the two CTs to determine relative electrode array position ...
The content is solely the responsibility of the authors and does not necessarily represent the official views of this institute. ...
doi:10.1016/j.media.2014.02.001
pmid:24650801
pmcid:PMC4410997
fatcat:kydrxybeufcmjd4mibr7psiplq
Validation of image-guided cochlear implant programming techniques
[article]
2020
arXiv
pre-print
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electrodes in post-implantation CT images. ...
However, the sensitivity of IGCIP with respect to the accuracy of the two major steps: electrode localization and intra-cochlear anatomy segmentation, is unknown. ...
The content is solely the responsibility of the authors and does not necessarily represent the official views of these institutes.
Disclosure of conflicts of interests Dr. Robert F. ...
arXiv:1909.10137v2
fatcat:rlqqcjtkpjcajpnzphzubzj2mi
Automatic techniques for cochlear implant CT image analysis
[article]
2019
arXiv
pre-print
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The automatic methods that have been developed include the automatic localization of both closely- and distantly-spaced CI electrode arrays in post-implantation CTs and the automatic selection of electrode ...
Together with the existing automatic techniques developed for IGCIP, the proposed automatic methods enable an end-to-end IGCIP process that takes pre- and post-implantation CT images as input and produces ...
To obtain the DOI(•) values, we register a pre-implantation CT, in which the intra-cochlear anatomy is segmented, to our post-implantation target CT. ...
arXiv:1909.10922v1
fatcat:unk5tqbkkvgynhlslft75yme3m
An artifact-robust, shape library-based algorithm for automatic segmentation of inner ear anatomy in post-cochlear-implantation CT
2014
Medical Imaging 2014: Image Processing
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In this work, we present an algorithm for automatically segmenting intra-cochlear anatomy in post-implantation CTs. ...
Pre-implantation CT has been necessary because it is difficult to localize the intra-cochlear structures in post-implantation CTs alone due to the image artifacts that obscure the cochlea. ...
Thus far, the shape of the cochlea and intra-cochlear anatomy has been determined using a pre-implantation CT, which we then register to a post-implantation CT. ...
doi:10.1117/12.2043260
pmid:25076827
pmcid:PMC4112543
dblp:conf/miip/RedaNLD14
fatcat:kp3al66s4nf2nd4e3kgv25oj4a
Two-level training of a 3D U-Net for accurate segmentation of the intra-cochlear anatomy in head CT with limited ground truth training data
2019
Medical Imaging 2019: Image Processing
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In IGCIP, we segment the intra-cochlear anatomy and localize the electrode arrays in the patient's head CT image. ...
To segment the intra-cochlear anatomy, we use an active shape model (ASM)-based method. Though it produces satisfactory results in most cases, sub-optimal segmentation still happens. ...
In IGCIP, we use image processing algorithms to automatically segment the intra-cochlear anatomy, typically in the patient's pre-operative CT image [2] , and to localize the electrode array in the post-operative ...
doi:10.1117/12.2512529
pmid:31571720
pmcid:PMC6766587
fatcat:h4cocaujyzak5foxsik4ex64vy
Evaluation of Rigid Cochlear Models for Measuring Cochlear Implant Electrode Position
2016
Otology and Neurotology
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Objective-To investigate the accuracy of rigid cochlear models in measuring intra-cochlear positions of cochlear implant (CI) electrodes Patients-93 adults who had undergone CI and pre-and post-operative ...
in cochlear anatomy. ...
The content is solely the responsibility of the authors and does not represent the official views of these institutes.
IRB Approval: This study was approved by the Vanderbilt IRB #090155. ...
doi:10.1097/mao.0000000000001245
pmid:27755453
pmcid:PMC5240585
fatcat:tt2nq2ixv5amra4cyn7ypqtvii
Automatic identification of cochlear implant electrode arrays for post-operative assessment
2011
Medical Imaging 2011: Image Processing
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By combining this with existing methods for localizing intra-cochlear anatomy, we have developed a system that permits accurate assessment of the implant position in vivo. ...
To solve this problem, we present an approach based on parametric Gradient Vector Flow snakes to segment the electrode array in post-operative CT. ...
The content is solely the responsibility of the authors and does not necessarily represent the official views of these institutes. ...
doi:10.1117/12.878490
pmid:26041945
pmcid:PMC4450802
dblp:conf/miip/NobleSWLD11
fatcat:fjsz4ai3erf2phwmpjpy2iv4pe
Automatic Segmentation of Intracochlear Anatomy in Conventional CT
2011
IEEE Transactions on Biomedical Engineering
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Segmentation of intra-cochlear cavities could thus aid the surgeon to choose the point of entry and angle of approach that maximize the likelihood of successful implant insertion, which may lead to more ...
However, because the membrane that separates the intra-cochlear cavities is too thin to be seen in conventional in vivo imaging, traditional segmentation techniques are inadequate. ...
An earlier version of this paper was printed in the Proceedings of the SPIE Conf. on Medical Imaging 2010: Image Processing, pp. 762302. ...
doi:10.1109/tbme.2011.2160262
pmid:21708495
pmcid:PMC3804019
fatcat:jamtwprh3jfs3akahmxx4zdvty
Retrospective Evaluation of a Technique for Patient-Customized Placement of Precurved Cochlear Implant Electrode Arrays
2017
Otolaryngology and head and neck surgery
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Objective-Pre-curved electrode arrays (EAs) are commonly used in Cochlear Implants (CIs). Modiolar placement of such arrays has been shown to lead to better hearing outcomes. ...
Perimodiolar positioning of electrodes was quantified using pre-and post-implantation CT scans and automated image analysis techniques. Results-Average perimodiolar distance was 0.59 ± 0.18 mm. ...
The content is solely the responsibility of the authors and does not necessarily represent the official views of these institutes. INSTITUTIONAL REVIEW BOARD APPROVAL #: 090155 ...
doi:10.1177/0194599817697298
pmid:28374623
pmcid:PMC5584996
fatcat:i7rcsf4sjffenmzj5o2a3rphb4
Preliminary Results With Image-guided Cochlear Implant Insertion Techniques
2018
Otology and Neurotology
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Using patient-customized cochlear measurements obtained from preoperative computed tomography (CT) scans to guide insertion of cochlear implant (CI) electrode arrays will lead to more optimal intracochlear ...
The content is the sole responsibility of the authors and does not necessarily reflect the views of this institute. ...
The authors would also like to thank Advanced Bionics for providing materials used in this study. ...
doi:10.1097/mao.0000000000001850
pmid:29995013
pmcid:PMC6344356
fatcat:ixqwlkj7zre3pfjzdd2lkpb6nm
Image-Guidance Enables New Methods for Customizing Cochlear Implant Stimulation Strategies
2013
IEEE transactions on neural systems and rehabilitation engineering
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Over the last 20 years, cochlear implants (CIs) have become what is arguably the most successful neural prosthesis to date. ...
In this article, we present image processing techniques that can be used to detect, for the first time, the positions of implanted CI electrodes and the nerves they stimulate for individual CI users. ...
The content is solely the responsibility of the authors and does not necessarily represent the official views of these institutes. ...
doi:10.1109/tnsre.2013.2253333
pmid:23529109
pmcid:PMC3769452
fatcat:jjh5yemmunb2zaenelimmneusa
Automatic Cochlear Duct Length Estimation for Selection of Cochlear Implant Electrode Arrays
2017
Otology and Neurotology
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models of cochlear anatomy in patient CTs 18, 21 . ...
To arrive at this value, we have reviewed post-implantation CTs of 10 subjects in our CT imaging database who were implanted by multiple surgeons and with Array 2. ...
The content is solely the responsibility of the authors and does not represent the official views of these institutes. ...
doi:10.1097/mao.0000000000001329
pmid:28146009
pmcid:PMC5335919
fatcat:kiamrku3mrbnjiwbm25tqzh5mm
Front Matter: Volume 11596
2021
Medical Imaging 2021: Image Processing
Preserved Fulltext
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Please use the following format to cite material from these proceedings: Publication of record for individual papers is online in the SPIE Digital Library. ...
The papers in this volume were part of the technical conference cited on the cover and title page. Papers were selected and subject to review by the editors and conference program committee. ...
[11596-52] 11596 1L Denoising digital breast tomosynthesis projections using convolutional neural networks [11596-53] 11596 1M Validation of active shape model techniques for intra-cochlear anatomy segmentation ...
doi:10.1117/12.2595437
fatcat:7x4u3yicqvev5n3gmo54gqr2am
Accurate Detection of Inner Ears in Head CTs Using a Deep Volume-to-Volume Regression Network with False Positive Suppression and a Shape-Based Constraint
[chapter]
2018
Lecture Notes in Computer Science
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The field of view thus varies greatly and visual inspection is needed to document their content prior to applying algorithms for electrode localization and intra-cochlear anatomy segmentation. ...
Studies have shown that the spatial relationship between the intra-cochlear anatomy and electrodes derived from medical images can guide CI programming and lead to significant improvement in hearing outcomes ...
The content is solely the responsibility of the authors and does not necessarily represent the official views of this institute. ...
doi:10.1007/978-3-030-00937-3_80
pmid:33733250
pmcid:PMC7963343
fatcat:fazcdifel5h3xi6yqqppfjccji
Impact of the surgical experience on cochleostomy location: a comparative temporal bone study between endaural and posterior tympanotomy approaches for cochlear implantation
2015
European Archives of Oto-Rhino-Laryngology
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Impact of the surgical experience on cochleostomy location: a comparative temporal bone study between endaural and posterior tympanotomy approaches for cochlear implantation. European Archives of ...
Reda FA, McRackan TR, Labadie RF et al (2014) Automatic segmentation of intra-cochlear anatomy in post-implantation CT of unilateral cochlear implant recipients. ...
Shi L, Wang D, Chu WCW et al (2011) Automatic MRI segmentation and morphoanatomy analysis of the vestibular system S180-S188. doi:10.1016/j.neuroimage.2010.04.002 28. ...
doi:10.1007/s00405-015-3792-5
pmid:26475332
fatcat:fsa2xaq5ozfd5caxufpsq34iqm
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