Preliminary study on construction of polar coordinate systems to define the positions of cervical structures in videofluorography during swallowing

In this report, we have proposed a construction method of polar coordinate systems to define the positions of cervical structures in videofluorography (VF) during swallowing. The polar coordinate systems have s and t axes on radial and circumferential directions, respectively, and can be translated...

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Main Authors: Kurita, Naoyuki, Fujinaka, Ayano, Mekata, Kojiro, Takizawa, Hotaka, Kudo, Hiroyuki
Format: Conference Proceeding
Language:English
Subjects:
Bending
deformable template matching
dysphagia
Informatics
polar coordinate system
Strain
videofluorography
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Fujinaka, Ayano
Mekata, Kojiro
Takizawa, Hotaka
Kudo, Hiroyuki
description In this report, we have proposed a construction method of polar coordinate systems to define the positions of cervical structures in videofluorography (VF) during swallowing. The polar coordinate systems have s and t axes on radial and circumferential directions, respectively, and can be translated and rotated to track cervical spines in VFs. In addition, the t axes can be bent to represent the bending deformation of cervical spines. The parameters of the translation, rotation and bending deformation are obtained by a deformable template matching technique. The accuracy of the proposed coordinate systems was evaluated by use of actual VFs, and several experimental results were shown.
doi_str_mv 10.1109/ICIIBMS50712.2020.9336415
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subjects Bending
deformable template matching
dysphagia
Informatics
polar coordinate system
Strain
videofluorography
title Preliminary study on construction of polar coordinate systems to define the positions of cervical structures in videofluorography during swallowing
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