The evaluation of facial palsy by amount of feature point movements at facial expressions

Toshiyuki Tanaka, J. Nemoto, M. Ohta, Takanobu Kunihiro

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

Abstract

At present, in the medical field 40-point method and facial nerve grading system are generally used for evaluation of facial palsy. However, these methods have limitation in the precise evaluation, because of subjectivity in diagnosis. Purpose of this paper is to propose quantitative evaluation of facial palsy based on the amount of movements of the feature point on the face. Facial nerve symptoms generally appear in either side of the face. In facial expression movement, the motion in the palsy side becomes smaller than that of the healthy side. We defined some indices of palsy grade obtained by the observation of the facial motion. Those indices showed the asymmetry of the facial motion quantitatively. We confirmed that our proposed method is valid for estimation of facial palsy from comparison with 40 points method.

Original languageEnglish
Title of host publicationAnnual International Conference of the IEEE Engineering in Medicine and Biology - Proceedings
Pages1463-1466
Number of pages4
Volume26 II
Publication statusPublished - 2004
EventConference Proceedings - 26th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBC 2004 - San Francisco, CA, United States
Duration: 2004 Sep 12004 Sep 5

Other

OtherConference Proceedings - 26th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBC 2004
CountryUnited States
CitySan Francisco, CA
Period04/9/104/9/5

Keywords

  • Evaluation system
  • Facial expression
  • Facial movement
  • Facial palsy

ASJC Scopus subject areas

  • Bioengineering

Cite this

Tanaka, T., Nemoto, J., Ohta, M., & Kunihiro, T. (2004). The evaluation of facial palsy by amount of feature point movements at facial expressions. In Annual International Conference of the IEEE Engineering in Medicine and Biology - Proceedings (Vol. 26 II, pp. 1463-1466)

The evaluation of facial palsy by amount of feature point movements at facial expressions. / Tanaka, Toshiyuki; Nemoto, J.; Ohta, M.; Kunihiro, Takanobu.

Annual International Conference of the IEEE Engineering in Medicine and Biology - Proceedings. Vol. 26 II 2004. p. 1463-1466.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Tanaka, T, Nemoto, J, Ohta, M & Kunihiro, T 2004, The evaluation of facial palsy by amount of feature point movements at facial expressions. in Annual International Conference of the IEEE Engineering in Medicine and Biology - Proceedings. vol. 26 II, pp. 1463-1466, Conference Proceedings - 26th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBC 2004, San Francisco, CA, United States, 04/9/1.
Tanaka T, Nemoto J, Ohta M, Kunihiro T. The evaluation of facial palsy by amount of feature point movements at facial expressions. In Annual International Conference of the IEEE Engineering in Medicine and Biology - Proceedings. Vol. 26 II. 2004. p. 1463-1466
Tanaka, Toshiyuki ; Nemoto, J. ; Ohta, M. ; Kunihiro, Takanobu. / The evaluation of facial palsy by amount of feature point movements at facial expressions. Annual International Conference of the IEEE Engineering in Medicine and Biology - Proceedings. Vol. 26 II 2004. pp. 1463-1466
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