Computerized quantitative analysis of facial motions

DOI 1 Citations
  • Tanaka Hisaya
    Department of Otolaryngology, Kinki University School of Medicine
  • Murata Kiyotaka
    Department of Otolaryngology, Kinki University School of Medicine
  • Isono Michio
    Department of Otolaryngology, Kinki University School of Medicine
  • Kawamoto Makoto
    Department of Otolaryngology, Kinki University School of Medicine
  • Ito Akihiko
    Department of Otolaryngology, Kinki University School of Medicine
  • Azuma Hiroji
    Department of Otolaryngology, Kinki University School of Medicine

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Other Title
  • 顔面表情運動の定量的検討
  • A comparative study between children and adults
  • 小児と成人における比較検討

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This study investigated a new objective method of analyzing facial movements and examined the physiological range of asymmetry and differences between children and adults.<BR>Facial expression data input to an Apple Computer using Quick Time was analyzed with digital image editing techniques.<BR>Seven children (3∼7-year-old) and forty-six adults (20∼29-year-old) were analyzed utilizing this method. Four voluntary facial movements (wrinkling forehead, closing eye, grinning and wliistiing) were examined.<BR>The differences in the ratio between the left and right sides were less than 6% in any area and with any movement. There were no significant differences between children and adults. Some areas obtained by subdivision showed larger changes with facial movements than other areas.

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