Application of UNETR for automatic cochlear segmentation in temporal bone CTs

To investigate the feasibility of a deep learning method based on a UNETR model for fully automatic segmentation of the cochlea in temporal bone CT images. The normal temporal bone CTs of 77 patients were used in 3D U-Net and UNETR model automatic cochlear segmentation. Tests were performed on two t...

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Bibliographic Details
Published in:Auris, nasus, larynx nasus, larynx, 2023-04, Vol.50 (2), p.212-217
Main Authors: Li, Zhenhua, Zhou, Langtao, Tan, Songhua, Tang, Anzhou
Format: Article
Language:English
Subjects:
Automatic segmentation
Cochlea - diagnostic imaging
Cochlear implant surgery
Deep learning
Humans
Image Processing, Computer-Assisted - methods
Temporal Bone - diagnostic imaging
Temporal bone CT
Tomography, X-Ray Computed - methods
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Summary:To investigate the feasibility of a deep learning method based on a UNETR model for fully automatic segmentation of the cochlea in temporal bone CT images. The normal temporal bone CTs of 77 patients were used in 3D U-Net and UNETR model automatic cochlear segmentation. Tests were performed on two types of CT datasets and cochlear deformity datasets. Through training the UNETR model, when batch_size=1, the Dice coefficient of the normal cochlear test set was 0.92, which was higher than that of the 3D U-Net model; on the GE 256 CT, SE-DS CT and Cochlear Deformity CT dataset tests, the Dice coefficients were 0.91, 0.93, 0 93, respectively. According to the anatomical characteristics of the temporal bone, the use of the UNETR model can achieve fully automatic segmentation of the cochlea and obtain an accuracy close to manual segmentation. This method is feasible and has high accuracy.
ISSN:0385-8146
1879-1476
DOI:10.1016/j.anl.2022.06.008