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Erschienen in:
2011 | OriginalPaper | Buchkapitel
Perspective Two-Frame-Theory for Shape Recovery under Turntable Motion
verfasst von : Miaomiao Liu, Kwan-Yee K. Wong
Erschienen in: Computer Vision, Imaging and Computer Graphics. Theory and Applications
Verlag: Springer Berlin Heidelberg
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This paper addresses the problem of shape from shadings under perspective projection and turntable motion.Two-Frame-Theory is a newly proposed method for 3
D
shape recovery. It estimates shape by solving a first order quasi-linear partial differential equation through the method of characteristics. One major drawback of this method is that it assumes an orthographic camera which limits its application. This paper re-examines the basic idea of the Two-Frame-Theory under the assumption of a perspective camera, and derives a first order quasi-linear partial differential equation for shape recovery under turntable motion. The Dirichlet boundary condition is derived based on Dynamic programming. The proposed method is tested against synthetic and real data. Experimental results show that perspective projection can be used in the framework of Two-Frame-Theory, and competitive results can be achieved.