Title :
Semi-adaptive, convex optimisation methodology for image denoising
Author :
Kärkkäinen, T. ; Majava, K.
Author_Institution :
Dept. of Math. Inf. Technol., Univ. of Jyvaskyla, Finland
Abstract :
An optimisation methodology based on a semi-adaptive, convex (SAC) formulation for the image denoising problem is proposed for recovering both sharp edges and smooth subsurfaces from a given noisy image. Basic steps to realise an image denoising algorithm with proper restoration properties and practical computational efficiency with automatic determination of free parameters are described. A set of example images is used to illustrate the proposed approach.
Keywords :
adaptive signal processing; convex programming; image denoising; image restoration; computational efficiency; image denoising; restoration properties; semi-adaptive convex optimisation; sharp edges; smooth subsurfaces;
Journal_Title :
Vision, Image and Signal Processing, IEE Proceedings -
DOI :
10.1049/ip-vis:20041148