Cochlear implant electrode localization in post-operative CT using a spherical measure

Benjamin Michael Braithwaite; Hans Martin Kjer; Jens Fagertun; Miguel Angel González Ballester; Anandhan  Dhanasingh; Pavel Mistrik; Nicolas  Gerber; Rasmus Reinhold Paulsen

doi:10.1109/ISBI.2016.7493512

Cochlear implant electrode localization in post-operative CT using a spherical measure

Benjamin Michael Braithwaite, Hans Martin Kjer, Jens Fagertun, Miguel Angel González Ballester, Anandhan Dhanasingh, Pavel Mistrik, Nicolas Gerber, Rasmus Reinhold Paulsen

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

Abstract

When implanting cochlear implants the positions of electrodes have a large impact on the quality of the restored hearing. Due to metal artifacts it is difficult to estimate the precise location in post-operative scans. In this paper we present a method for automatically locating and determining the ordering of electrode contacts on implanted electrode arrays from post-operative CT images. Our method applies a specialized filter chain to the images based on a threshold and spherical measure, and selects contact positions at local maxima in the filtered image. Two datasets of 13 temporal bone specimens scanned in CBCT are used to validate the method, which successfully locates the electrode array in every image.

Original language	English
Title of host publication	Proceedings of the 13th IEEE International Symposium on Biomedical Imaging (ISBI 2016)
Publisher	IEEE
Publication date	2016
Pages	1329-1333
ISBN (Electronic)	978-1-4799-2349-6
DOIs	https://doi.org/10.1109/ISBI.2016.7493512
Publication status	Published - 2016
Event	2016 IEEE International Symposium on Biomedical Imaging: From Nano to Macro - Clarion Congress Hotel, Prague, Czech Republic Duration: 13 Apr 2016 → 16 Apr 2016 Conference number: 13 http://biomedicalimaging.org/2016/ https://www.ieee.org/conferences_events/conferences/conferencedetails/index.html%3FConf_ID%3D31200

Conference

Conference	2016 IEEE International Symposium on Biomedical Imaging
Number	13
Location	Clarion Congress Hotel
Country/Territory	Czech Republic
City	Prague
Period	13/04/2016 → 16/04/2016
Internet address	http://biomedicalimaging.org/2016/ https://www.ieee.org/conferences_events/conferences/conferencedetails/index.html%3FConf_ID%3D31200

Keywords

Cochlear Implant
Electrode array

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Braithwaite, B. M., Kjer, H. M., Fagertun, J., González Ballester, M. A., Dhanasingh, A., Mistrik, P., Gerber, N., & Paulsen, R. R. (2016). Cochlear implant electrode localization in post-operative CT using a spherical measure. In Proceedings of the 13th IEEE International Symposium on Biomedical Imaging (ISBI 2016) (pp. 1329-1333). IEEE. https://doi.org/10.1109/ISBI.2016.7493512

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title = "Cochlear implant electrode localization in post-operative CT using a spherical measure",

abstract = "When implanting cochlear implants the positions of electrodes have a large impact on the quality of the restored hearing. Due to metal artifacts it is difficult to estimate the precise location in post-operative scans. In this paper we present a method for automatically locating and determining the ordering of electrode contacts on implanted electrode arrays from post-operative CT images. Our method applies a specialized filter chain to the images based on a threshold and spherical measure, and selects contact positions at local maxima in the filtered image. Two datasets of 13 temporal bone specimens scanned in CBCT are used to validate the method, which successfully locates the electrode array in every image.",

keywords = "Cochlear Implant, Electrode array",

author = "Braithwaite, {Benjamin Michael} and Kjer, {Hans Martin} and Jens Fagertun and {Gonz{\'a}lez Ballester}, {Miguel Angel} and Anandhan Dhanasingh and Pavel Mistrik and Nicolas Gerber and Paulsen, {Rasmus Reinhold}",

year = "2016",

doi = "10.1109/ISBI.2016.7493512",

language = "English",

pages = "1329--1333",

booktitle = "Proceedings of the 13th IEEE International Symposium on Biomedical Imaging (ISBI 2016)",

publisher = "IEEE",

address = "United States",

note = "2016 IEEE International Symposium on Biomedical Imaging : From Nano to Macro, ISBI 2016 ; Conference date: 13-04-2016 Through 16-04-2016",

url = "http://biomedicalimaging.org/2016/, https://www.ieee.org/conferences_events/conferences/conferencedetails/index.html%3FConf_ID%3D31200",

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Braithwaite, BM, Kjer, HM, Fagertun, J, González Ballester, MA, Dhanasingh, A, Mistrik, P, Gerber, N & Paulsen, RR 2016, Cochlear implant electrode localization in post-operative CT using a spherical measure. in Proceedings of the 13th IEEE International Symposium on Biomedical Imaging (ISBI 2016) . IEEE, pp. 1329-1333, 2016 IEEE International Symposium on Biomedical Imaging, Prague, Czech Republic, 13/04/2016. https://doi.org/10.1109/ISBI.2016.7493512

Cochlear implant electrode localization in post-operative CT using a spherical measure. / Braithwaite, Benjamin Michael; Kjer, Hans Martin; Fagertun, Jens et al.
Proceedings of the 13th IEEE International Symposium on Biomedical Imaging (ISBI 2016) . IEEE, 2016. p. 1329-1333.

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

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T1 - Cochlear implant electrode localization in post-operative CT using a spherical measure

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AU - Kjer, Hans Martin

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AU - González Ballester, Miguel Angel

AU - Dhanasingh, Anandhan

AU - Mistrik, Pavel

AU - Gerber, Nicolas

AU - Paulsen, Rasmus Reinhold

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AB - When implanting cochlear implants the positions of electrodes have a large impact on the quality of the restored hearing. Due to metal artifacts it is difficult to estimate the precise location in post-operative scans. In this paper we present a method for automatically locating and determining the ordering of electrode contacts on implanted electrode arrays from post-operative CT images. Our method applies a specialized filter chain to the images based on a threshold and spherical measure, and selects contact positions at local maxima in the filtered image. Two datasets of 13 temporal bone specimens scanned in CBCT are used to validate the method, which successfully locates the electrode array in every image.

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KW - Electrode array

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PB - IEEE

T2 - 2016 IEEE International Symposium on Biomedical Imaging

Y2 - 13 April 2016 through 16 April 2016

ER -

Cochlear implant electrode localization in post-operative CT using a spherical measure

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