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In this paper, we reconstruct 3D shape from a single image. We use level set method to solve the Eikonal equation which can obtained from the method of shape from shading (SFS). However, the results are not usually usable due to the concave-convex ambiguity problems inherent to SFS, so we find out the boundary of the concave-convex ambiguities according to the flatness of the triangle faces and use the energy minimization method to reconstruct the accuracy shape.
Date of Conference: 16-18 Aug. 2011