2015 | OriginalPaper | Chapter
A Tensor Variational Formulation of Gradient Energy Total Variation
Authors : Freddie Åström, George Baravdish, Michael Felsberg
Published in: Energy Minimization Methods in Computer Vision and Pattern Recognition
Publisher: Springer International Publishing
Activate our intelligent search to find suitable subject content or patents.
Select sections of text to find matching patents with Artificial Intelligence. powered by
Select sections of text to find additional relevant content using AI-assisted search. powered by
We present a novel variational approach to a tensor-based total variation formulation which is called
gradient energy total variation
, GETV. We introduce the gradient energy tensor [6] into the GETV and show that the corresponding Euler-Lagrange (E-L) equation is a tensor-based partial differential equation of total variation type. Furthermore, we give a proof which shows that GETV is a convex functional. This approach, in contrast to the commonly used
structure tensor
, enables a formal derivation of the corresponding E-L equation. Experimental results suggest that GETV compares favourably to other state of the art variational denoising methods such as
extended anisotropic diffusion
(EAD)[1] and
total variation
(TV) [18] for gray-scale and colour images.