Deep Upscale U-Net for automatic tongue segmentation

In a treatment or diagnosis related to oral health conditions such as oral cancer and oropharyngeal cancer, an investigation of tongue’s movements is a major part. In an automatic measurement of such movement, it must first start with a task of tongue segmentation. This paper proposes a solution of...

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Veröffentlicht in:Medical & biological engineering & computing 2024-06, Vol.62 (6), p.1751-1762
Hauptverfasser: Kusakunniran, Worapan, Imaromkul, Thanandon, Mongkolluksamee, Sophon, Thongkanchorn, Kittikhun, Ritthipravat, Panrasee, Tuakta, Pimchanok, Benjapornlert, Paitoon
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Sprache:eng
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Zusammenfassung:In a treatment or diagnosis related to oral health conditions such as oral cancer and oropharyngeal cancer, an investigation of tongue’s movements is a major part. In an automatic measurement of such movement, it must first start with a task of tongue segmentation. This paper proposes a solution of tongue segmentation based on a decoder-encoder CNN-based structure i.e., U-Net. However, it could suffer from a problem of feature loss in deep layers. This paper proposes a Deep Upscale U-Net (DU-UNET). An additional up-sampling of the feature map from a contracting path is concatenated to an upper layer of an expansive path, based on an original U-Net structure. The segmentation model is constructed by training DU-UNET on the two publicly available datasets, and transferred to the self-collected dataset of tongue images with five tongue postures which were recorded at a far distance from a camera under a real-world scenario. The proposed DU-UNET outperforms the other existing methods in our literature reviews, with accuracy of 99.2%, mean IoU of 97.8%, Dice score of 96.8%, and Jaccard score of 96.8%. Graphical abstract
ISSN:0140-0118
1741-0444
DOI:10.1007/s11517-024-03051-w