Title
Partial Differential Equations for Zooming, Deinterlacing and Dejittering
Abstract
In this paper, for imaging applications, we introduce partial differential equations (PDEs), which allow for correcting displacement errors, for dejittering, and for deinterlacing, respectively, in multi-channel data. These equations are derived via semi-groups for non-convex energy functionals. As a particular example, for gray valued data, we find the mean curvature equation and the corresponding non-convex energy functional. As a further application for correction of displacement errors we study image interpolation, in particular zooming, of digital color images. For actual image zooming, the solutions of the proposed PDEs are projected onto a space of functions satisfying interpolation constraints. A comparison of the test results with standard and state-of-the-art interpolation algorithms shows the competitiveness of this approach.
Year
DOI
Venue
2011
https://doi.org/10.1007/s11263-010-0326-x
International Journal of Computer Vision
Keywords
Field
DocType
Non-convex semigroups,Partial differential equations,Dejittering,Deinterlacing,Zooming
Computer science,Interpolation,Image processing,Digital image,Artificial intelligence,Energy functional,Color image,Computer vision,Topology,Deinterlacing,Algorithm,Partial differential equation,Image scaling
Journal
Volume
Issue
ISSN
92
2
0920-5691
Citations 
PageRank 
References 
6
0.63
27
Authors
2
Name
Order
Citations
PageRank
Frank Lenzen115716.85
Otmar Scherzer234652.10