Covariant fractional extension of the modified Laplace-operator used in 3D-shape recovery

Details Covariant fractional extension of the modified Laplace-operator used in 3D-shape recovery Covariant fractional extension of the modified Laplace-operator used in 3D-shape recovery

2011-11-05

arxiv.org/abs/1111.1311v1

Fract. Calc. Appl. Anal. (2012) Vol. 15 Num. 2, 332--343

Computer Science

Computer Vision and Pattern Recognition

5 pages, 3 figures, draft for proceedings IFAC FDA12 in Nanjing, China

Scientific paper

10.2478/s13540-012-0024-1

Extending the Liouville-Caputo definition of a fractional derivative to a nonlocal covariant generalization of arbitrary bound operators acting on multidimensional Riemannian spaces an appropriate approach for the 3D shape recovery of aperture afflicted 2D slide sequences is proposed. We demonstrate, that the step from a local to a nonlocal algorithm yields an order of magnitude in accuracy and by using the specific fractional approach an additional factor 2 in accuracy of the derived results.

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