Volume 7 Number 12 (Dec. 2012)
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JSW 2012 Vol.7(12): 2763-2770 ISSN: 1796-217X
doi: 10.4304//jsw.7.12.2763-2770

A New Semi-supervised Method for Lip Contour Detection

Kunlun Li, Miao Wang, Ming Liu, Ruining Xin, Pan Wang
College of Electronic and Information Engineering, Hebei University, Baoding, 071002,China

Abstract—Lip contour detection is regarded as an essential issue in many applications such as personal identification, facial expressions classification, and man-machine interaction. Moreover, semi-supervised learning is utilized to automatically exploit unlabeled data in addition to labeled data to improve the performance of certain machine learning approaches. In this paper, three contour preprocessing approaches for eliminate lip image noise, i.e., Average filtering, Bilateral filtering, and Edge preserving smoothing techniques are compared. Furthermore, a hybrid approach combing level set theory and semi-supervised Fisher transformation for lip contour detection is proposed. Experiment results show that the proposed semi-supervised strategy for lip contour detection is effective.

Index Terms—Semi-supervised learning, level set, lip contour diction, semi-supervised FDA

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Cite: Kunlun Li, Miao Wang, Ming Liu, Ruining Xin, Pan Wang, "A New Semi-supervised Method for Lip Contour Detection," Journal of Software vol. 7, no. 12, pp. 2763-2770, 2012.

General Information

ISSN: 1796-217X (Online)
Frequency: Monthly (2006-2019); Bimonthly (Since 2020)
Editor-in-Chief: Prof. Antanas Verikas
Executive Editor: Ms. Yoyo Y. Zhou
Abstracting/ Indexing: DBLP, EBSCO, ProQuest, INSPEC, ULRICH's Periodicals Directory, WorldCat, etc
E-mail: jsw@iap.org
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