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Automatic segmentation of intra-cochlear anatomy in post-implantation CT of unilateral cochlear implant recipients

Fitsum A. Reda, Theodore R. McRackan, Robert F. Labadie, Benoit M. Dawant, Jack H. Noble
2014 Medical Image Analysis  
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  ...  We have recently developed an approach for determining electrode array position relative to intra-cochlear anatomy using a pre- and a post-implantation CT.  ...  We would also like to thank the reviewers for their detailed comments and suggestions, which have helped improve the quality of this article.  ... 
doi:10.1016/ pmid:24650801 pmcid:PMC4410997 fatcat:kydrxybeufcmjd4mibr7psiplq

Automatic Segmentation of Intracochlear Anatomy in Conventional CT

J. H. Noble, R. F. Labadie, O. Majdani, B. M. Dawant
2011 IEEE Transactions on Biomedical Engineering  
Cochlear implant surgery is a procedure performed to treat profound hearing loss.  ...  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  ...  The authors would like to thank Robert Rutherford for helping with initial manual delineation of the CT volumes. Noble et al.  ... 
doi:10.1109/tbme.2011.2160262 pmid:21708495 pmcid:PMC3804019 fatcat:jamtwprh3jfs3akahmxx4zdvty

Transoral Robotic Surgery: Image Guidance and Augmented Reality

Philip Pratt, Asit Arora
2018 Journal for Oto-Rhino-Laryngology  
In terms of registration accuracy, image guidance as applied to TORS procedures is an exciting proposition, since the regions of interest (e.g., the tongue base, oropharynx) are typically adjacent to and  ...  Transoral robotic surgery (TORS) is being used increasingly as an alternative to conventional open procedures, as its minimally invasive approach results in significant benefits for the patient.  ...  imaging, deformable registration based on intra-operative cone beam computed tomography (CBCT), and image guidance for cochlear implantation.  ... 
doi:10.1159/000489467 pmid:29936505 fatcat:vzjzpbuylvgsvjsber6kbeugji

Automatic techniques for cochlear implant CT image analysis [article]

Yiyuan Zhao
2019 arXiv   pre-print
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  ...  The goals of this dissertation are to fully automate the image processing techniques needed in the post-operative stage of IGCIP and to perform a thorough analysis of (a) the robustness of the automatic  ...  During the COIs generation step for those cases, due to (1) the registration errors between pre-and post-implantation CTs, (2) the localization errors for intra-cochlear anatomy segmentation, and (3) the  ... 
arXiv:1909.10922v1 fatcat:unk5tqbkkvgynhlslft75yme3m

Preliminary Results With Image-guided Cochlear Implant Insertion Techniques

Robert F. Labadie, Jack H. Noble
2018 Otology and Neurotology  
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 authors would also like to thank Advanced Bionics for providing materials used in this study.  ...  This manually defined modiolar hugging curve is automatically transformed to each patient's pre-implant CT using a Thin Plate Spline registration [20] of the model ST surface to the patient's ST surface  ... 
doi:10.1097/mao.0000000000001850 pmid:29995013 pmcid:PMC6344356 fatcat:ixqwlkj7zre3pfjzdd2lkpb6nm

Development of an auditory implant manipulator for minimally invasive surgical insertion of implantable hearing devices

C Stieger, M Caversaccio, A Arnold, G Zheng, J Salzmann, D Widmer, N Gerber, M Thurner, C Nauer, Y Mussard, M Kompis, L P Nolte (+2 others)
2010 Journal of Laryngology and Otology  
The work sequence for a keyhole procedure included pre-operative planning, arrangement of equipment, the procedure itself and post-operative analysis.  ...  Objective: To present the auditory implant manipulator, a navigation-controlled mechanical and electronic system which enables minimally invasive ('keyhole') transmastoid access to the tympanic cavity.  ...  Acknowledgements This study was supported by the Commission for Technology and Innovation, Switzerland (grant number KTI 8075), the National Center for Competence in Research Computer Aided and Medical  ... 
doi:10.1017/s0022215110002185 pmid:21078217 fatcat:njpqg2srufgv3nmsmvkgsiocea

Image-Guidance Enables New Methods for Customizing Cochlear Implant Stimulation Strategies

Jack H. Noble, Robert F. Labadie, Renea H. Gifford, Benoit M. Dawant
2013 IEEE transactions on neural systems and rehabilitation engineering  
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 authors would like to acknowledge Andrea Hedley-Williams, AuD., for assisting with data acquisition, Mary S. Dietrich, Ph.D., for advice on statistical analysis, and Anthony J.  ... 
doi:10.1109/tnsre.2013.2253333 pmid:23529109 pmcid:PMC3769452 fatcat:jjh5yemmunb2zaenelimmneusa

Front Matter: Volume 10951

Baowei Fei, Cristian A. Linte
2019 Medical Imaging 2019: Image-Guided Procedures, Robotic Interventions, and Modeling  
implant modeling [10951-56] 10951 1M Using planning CTs to enhance CNN-based bladder segmentation on cone beam CT [10951-57] 10951 1N Neural-network-based automatic segmentation of cerebral ultrasound  ...  mechanism [10951-102] 10951 2U Multimodal image registration of pre-and intra-interventional data for surgical planning of transarterial chemoembolisation [10951-103] 10951 2V Quantitative imaging analysis  ... 
doi:10.1117/12.2531522 fatcat:6ed6gbuiarfetfqndgjmno772a

Image-guided surgery and medical robotics in the cranial area

G Widmann
2007 Biomedical Imaging and Intervention Journal  
The aim of this article is to review and discuss state-of-the-art surgical navigation and medical robotics, image-to-patient registration, aspects of accuracy, and clinical applications for surgery in  ...  Surgery in the cranial area includes operations of the fronto-zygomatico-maxillary complex, nasal cavity, paranasal sinuses, ear, and the skull base that have close proximity to highly critical structures  ...  Optical navigation systems Optical based systems are used for intra-operative navigation [4, 16, 21, 25, 33, 34] .  ... 
doi:10.2349/biij.3.1.e11 pmid:21614255 pmcid:PMC3097655 fatcat:uxivoyilwfdilhurrb3dawq4jm

Image Registration of Cochlear $$\mu $$ μ CT Data Using Heat Distribution Similarity [chapter]

Hans Martin Kjer, Sergio Vera, Jens Fagertun, Debora Gil, Miguel Ángel González-Ballester, Rasmus Paulsen
2015 Lecture Notes in Computer Science  
Better understanding of the anatomical variability of the human cochlear is important for the design and function of Cochlear Implants.  ...  Good non-rigid alignment of high-resolution cochlear μCT data is a challenging task.  ...  Our aim is to set up an image registration procedure for cochlear data.  ... 
doi:10.1007/978-3-319-19665-7_20 fatcat:3ac35csdmfeabmwb7pswhqkqby

Front Matter: Volume 10576

Robert J. Webster, Baowei Fei
2018 Medical Imaging 2018: Image-Guided Procedures, Robotic Interventions, and Modeling  
preclinical stereotactic neurosurgery through fully convolutional network [10576-64] 10576 24 Pre-to post-operative CT image registration to estimate cortical shift for image updating in deep brain  ...  definition of surgical trajectories and acceptance window in pelvic trauma surgery using deformable registration [10576-50] 10576 1O Intra-operative 360° 3D transvaginal ultrasound guidance during  ... 
doi:10.1117/12.2323924 fatcat:hva4ny4ftbe2voqifpbt5wewky

IE-Map: A novel in-vivo atlas template of the human inner ear [article]

Seyed-Ahmad Ahmadi, Theresa Raiser, Ria Maxine Ruehl, Virginia Flanagin, Peter zu Eulenburg
2019 medRxiv   pre-print
We provide the validated templates, atlas segmentations, surface meshes and landmark annotations as open-access material, to provide neuroscience researchers and clinicians in neurology, neurosurgery,  ...  and otorhinolaryngology with a widely applicable tool for computational neuro-otology.  ...  The atlas may also be helpful for surgical planning of implanting the electrodes of cochlear or vestibular implants.  ... 
doi:10.1101/19011908 fatcat:jaaw55utrzaadopdyhdsgugy2q

Applications of Augmented Reality in the Operating Room [chapter]

Ziv Yaniv, Cristian Linte
2015 Fundamentals of Wearable Computers and Augmented Reality, Second Edition  
The intra-operative surface is rigidly registered to a pre-operative surface extracted from CT.  ...  Pre-operative information was obtained from CT, and rigid registration was used to align this information to the intra-operative setting.  ... 
doi:10.1201/b18703-23 fatcat:iqpekdnzsjavrcpjtbkioycnwe

Automatic determination of optimal linear drilling trajectories for cochlear access accounting for drill-positioning error

Jack H. Noble, Omid Majdani, Robert F. Labadie, Benoit Dawant, J. Michael Fitzpatrick
2010 International Journal of Medical Robotics and Computer Assisted Surgery  
The focus of this paper addresses a major challenge with this approach, which is the ability to determine, in a pre-operative CT, a safe and effective drilling trajectory.  ...  Percutaneous cochlear access, a new minimally invasive implantation approach, requires drilling a single linear channel from skull surface to the cochlea.  ...  Recently, an alternative approach has been proposed-percutaneous cochlear implantation (PCI) (1) (2) (3) (4) . In this approach, the surgical trajectory is planned in a pre-operative CT.  ... 
doi:10.1002/rcs.330 pmid:20812268 pmcid:PMC2933923 fatcat:br6vq6lbe5espc4yulatfg5fui

Three-dimensional histological specimen preparation for accurate imaging and spatial reconstruction of the middle and inner ear

Thomas S. Rau, Waldemar Würfel, Thomas Lenarz, Omid Majdani
2013 International Journal of Computer Assisted Radiology and Surgery  
cochlear implant system.  ...  The cross-sectional images were aligned with the aid of artificial markers and by applying a feature-based, custom-made auto-registration algorithm.  ...  Acknowledgments The authors would like to thank BrainLAB AG (Feldkirchen, Germany) for providing iPlan ENT 2.6 and LEGO Group (Billund, Denmark) for providing information about manufacturing tolerances  ... 
doi:10.1007/s11548-013-0825-7 pmid:23633112 pmcid:PMC3702969 fatcat:fyyek4neyjathjwn5xblammlai
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