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Image filter by spatial correlation

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Image filter by spatial correlation

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27 Nov 2012 (Updated )

A novel denoising filter that uses a spatial correlation measure between colors.

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Description

We propose a novel algorithm for removing noise in gray-levels and color images. The core concept on which is based the image filtering algorithm is a measure of spatial correlation between colors: we say that two colors are spatially correlated if these appear nearby in the image most often, with respect to the other pairs of colors. In the discrete case, this measure of spatial correlation is represented by an Adjacency matrix, which can be calculated efficiently. This is a non-iterative autocalibrable filter. Given its similarity in its implementation with the bilateral filter (FB), comparisons were made with this kind of filters using a current technique which estimates the parameters on the FB. It can be seen that the proposed filter generally produces better results than the FB.

Usage instructions inside the function file.

The algorithm was presented in spanish in the 12th edition of the International Congress on Computer Science (CORE 2012), (30 November 2012).

MATLAB release MATLAB 7.12 (R2011a)
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Comments and Ratings (2)
06 Dec 2013 Josephine

Im using Matlab (R2010a)
Im getting an error for using the command
scorfilt
Please tell me what to do

24 Dec 2012 Rachmat  
Updates
15 Feb 2013

varargin parameter eliminated

15 Feb 2013

File description updated.
Function updated.

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