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