3D Face Feature Location Method Based on Stripes and Shape Index
Automation, Control and Intelligent Systems
Volume 6, Issue 4, August 2018, Pages: 47-53
Received: Dec. 26, 2018;
Published: Dec. 27, 2018
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Li Chang, School of Information Science and Engineering, Shenyang University of Technology, Shenyang, China
Shuai Liu, School of Information Science and Engineering, Shenyang University of Technology, Shenyang, China
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A 3D face feature location method based on stripes and shape index is proposed in order to locate the feature points in face exactly and quickly. The grating projection technique is used to obtain 3D face image. Based on the difference between the background fringe image and the deformed fringe image, the basic information of the human face in the image is determined. The basic information includes left and right edge lines, upper and lower edge coordinates and the width of the human face in the image. And then, the approximate position of the ear is quickly determined according to the left or right edge line. The found areas of the tip of the nose and the inner canthus are reduced according to the position of the ear. The position of the tip of the nose and the inner canthus are determined according to the height and shape index information. The experiment was conducted in a dark environment, with an average total time of 4.05 seconds and an average time of positioning of 1.07 seconds. When the allowable error is 15 pixels, the positioning accuracy is 85.34% for different poses, and the positioning accuracy is 96.88% when the face rotation angle is less than 20 degrees.
3D Face Localization, Grating Projection, Feature Points, Gaussian Curvature, Mean Curvature, Shape Index
To cite this article
3D Face Feature Location Method Based on Stripes and Shape Index, Automation, Control and Intelligent Systems.
Vol. 6, No. 4,
2018, pp. 47-53.
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