Paper Info
Title
Automatic Classification of Cochlear Implant Electrode Cavity Positioning.
Abstract
Cochlear Implants (CIs) restore hearing using an electrode array that is surgically implanted into the intra-cochlear cavities. Research has indicated that each electrode can lie in one of several cavities and that location is significantly associated with hearing outcomes. However, comprehensive analysis of this phenomenon has not been possible because the cavities are not directly visible in clinical CT images and because existing methods to estimate cavity location are not accurate enough, labor intensive, or their accuracy has not been validated. In this work, a novel graph-based search is presented to automatically identify the cavity in which each electrode is located. We test our approach on CT scans from a set of 34 implanted temporal bone specimens. High resolution mu CT scans of the specimens, where cavities are visible, show our method to have 98% cavity classification accuracy. These results indicate that our methods could be used on a large scale to study the link between electrode placement and outcome, which could lead to advances that improve hearing outcomes for CI users.
Year
DOI
Venue
2018
10.1007/978-3-030-00937-3_6
Lecture Notes in Computer Science
Keywords
Field
DocType
Cochlear implant,Graph search,Scalar location
Biomedical engineering,Computer vision,Graph,Electrode array,Computer science,Cochlear implant,Artificial intelligence,Temporal bone,Electrode
Conference
Volume
ISSN
Citations 
11073
0302-9743
0
PageRank 
References 
Authors
0.34
3
3
Name
Order
Citations
PageRank
Jack H. Noble113930.87
Robert F. Labadie213128.49
Benoit M. Dawant31388223.11