Real-time estimation of head motion using weak perspective epipolar geometry

T. Otsuka*, J. Ohya

*この研究の対応する著者

研究成果: Conference contribution

7 被引用数 (Scopus)

抄録

For face and facial expression recognition, it is necessary to estimate head motion in order to track a head continuously. This paper proposes a new method for estimating head motion using the epipolar geometry of a weak perspective projection model. In this method, first, the head region is segmented from the gradient of a luminance, by approximating the contour of the head as a circle. Then, feature points such as local extremum or saddle points of a luminance distribution are traded over successive frames. Finally, angles of rotation of the head during two successive frames are estimated from the coordinates of those feature points successfully tracked in these frames. Experiments were performed on a workstation in real time and the results showed that the method performs well in estimating head motion.

本文言語English
ホスト出版物のタイトルProceedings - 4th IEEE Workshop on Applications of Computer Vision, WACV 1998
出版社Institute of Electrical and Electronics Engineers Inc.
ページ220-225
ページ数6
ISBN(電子版)0818686065, 9780818686061
DOI
出版ステータスPublished - 1998 1 1
外部発表はい
イベント4th IEEE Workshop on Applications of Computer Vision, WACV 1998 - Princeton, United States
継続期間: 1998 10 191998 10 21

出版物シリーズ

名前Proceedings - 4th IEEE Workshop on Applications of Computer Vision, WACV 1998
1998-October

Other

Other4th IEEE Workshop on Applications of Computer Vision, WACV 1998
国/地域United States
CityPrinceton
Period98/10/1998/10/21

ASJC Scopus subject areas

  • コンピュータ サイエンスの応用
  • コンピュータ ビジョンおよびパターン認識
  • 信号処理

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