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  1. 学術雑誌掲載済論文
  2. 和雑誌

タブレット端末による非接触咀嚼検出アプリの開発

https://kitami-it.repo.nii.ac.jp/records/8541
459738f3-886e-4a59-8cc1-ab0854db895c
名前 / ファイル ライセンス アクション
Mei+Hirose_MII_Oct2016_33_57.pdf Mei+Hirose_MII_Oct2016_33_57 (1.5 MB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2017-10-31
タイトル
言語 ja
タイトル タブレット端末による非接触咀嚼検出アプリの開発
タイトル
言語 en
タイトル Development of contactless chewing detection application using tablet-type PC device
言語
言語 jpn
キーワード
主題Scheme Other
主題 Face recognition
キーワード
主題Scheme Other
主題 Chewing cycle
キーワード
主題Scheme Other
主題 Pattern matching
キーワード
主題Scheme Other
主題 Optical flow
キーワード
主題Scheme Other
主題 Mastication
資源タイプ
資源 http://purl.org/coar/resource_type/c_6501
タイプ journal article
アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
その他のタイトル
その他のタイトル Development of contactless chewing detection application using tablet-type PC device
著者 廣瀬, 明依

× 廣瀬, 明依

WEKO 89614

ja 廣瀬, 明依

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孫, 氷玉

× 孫, 氷玉

WEKO 89615

ja 孫, 氷玉

Search repository
宮中, 大

× 宮中, 大

WEKO 89616

ja 宮中, 大

Search repository
早川, 吉彦

× 早川, 吉彦

WEKO 238

ja 早川, 吉彦

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著者別名
姓名
姓名 HIROSE, Mei
言語 en
著者別名
姓名
姓名 SUN, Bing-Yu
言語 en
著者別名
姓名
姓名 MIYANAKA, Dai
言語 en
著者別名
姓名
姓名 HAYAKAWA, Yoshihiko
言語 en
抄録
内容記述タイプ Abstract
内容記述 Dysfunctions of mastication and swallowing are caused by the growth in the mixed dentition period, postoperative symptoms in surgical procedures, missing tooth/teeth, simply aging, etc. There is a dietary report on the reduction of food intake due to prolonged chewing. Therefore, we tried to develop a noncontact chewing cycle analyzer, which works on tablet PCs. After a face area is captured, the top far-left pixel was tracked to measure the whole-face transition and two pixels at the captured mouth angle were picked up to measure the optical flow method. The mouth movement in the period of food intake, mastication and swallowing, was recorded. The movement showed kinds of wave forms, which sometimes contained irregular forms. But the compensation using the whole-face movement clearly showed the repeated mastication.
Due to the limitation of the calculation loading in tablet PCs, the range of practically measurable fps was 8 to 9 in the maximum 30. We reduced the size of captured image and the number of pixels for the optical flow analysis, and chose the effective edge-extraction filter for the faster calculation. The data captured at 8 fps were enough to record wave forms of the mouth movement. Such non-contact chewing cycle analyzer is of value to evaluate the mastication dysfunction and recovery.
書誌情報 医用画像情報学会雑誌
en : Medical Imaging and Information Sciences

巻 33, 号 3, p. 57-62, 発行日 2016
著者版フラグ
値 publisher
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
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