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Light Stripe Triangulation for Multiple Moving Objects
Takuya FUNATOMI Masaaki IIYAMA Koh KAKUSHO Michihiko MINOH
D - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition)
Publication Date: 2007/08/01
Online ISSN: 1881-0225
Print ISSN: 1880-4535
Type of Manuscript: Special Section PAPER (Special Section on Image Recognition and Understanding)
light stripe triangulation, shape reconstruction, moving object,
Full Text(in Japanese): PDF(627KB)
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In this paper, we propose an extension of light stripe triangulation for measuring the shape of multiple moving rigid objects. The distortion in the shape of single moving object which is acquired by traditional light stripe triangulation can be easily corrected based on the object's motion. However, if the subject consists of multiple rigid objects which move differently each other, the distortion correction becomes complicated. Whole distorted shape is acquired from multiple objects. When we transform it based on an object's motion, we can acquire not only corrected shape of the object, but also superfluous shape, `false shape', which comes from the other objects. We propose a method for detecting such false shape by using silhouettes of the whole subject and we can the shape of the object by eliminating detected false shape. We validate our method and evaluate the accuracy by experiment, and demonstrate articulated hand model which acquired by applying our method for measuring the hand shape.