B. , M. And-sorkine, and O. , On linear variational surface deformation methods, IEEE Trans. Visualization and Computer Graphics, vol.14, issue.1, pp.213-230, 2008.

T. , H. Ichi-anjyo, K. Baxter, W. And-igarashi, and T. , Locally controllable stylized shading, Proc. SIGGRAPH), p.17, 2007.

W. , P. L. And-hancock, and E. R. , New Constraints on Data-Closeness and Needle Map Consistency for Shape-from-Shading, IEEE Trans. Pattern Analysis and Machine Intelligence, vol.21, issue.1212, pp.1250-1267, 1999.