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High-speed 3D image acquisition using coded structured light projection

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4 Author(s)
Ishii, I. ; Hiroshima Univ., Hiroshima ; Yamamoto, K. ; Doi, K. ; Tsuji, T.

In various application fields, high-speed cameras are used to analyze high-speed phenomena. Coded structured light projection methods have been proposed for acquiring three-dimensional images. Most of them are not suitable for measuring high-speed phenomena because the errors are caused when the measured objects move due to light projection of multiple patterns. In this paper, we propose a new coded structured light projection method that can select not only a temporal encoding but also a spatial encoding adaptively for obtaining three-dimensional images at a high-speed frame rate. We also develop an evaluation system that uses a DLP projector and an off-line high-speed video camera, and verify the effectiveness of the proposed method by showing the obtained three-dimensional shapes for moving objects.

Published in:

Intelligent Robots and Systems, 2007. IROS 2007. IEEE/RSJ International Conference on

Date of Conference:

Oct. 29 2007-Nov. 2 2007