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Improved Radiometric Based Method for Suppressing Impulse Noise from Corrupted Images
ChangCheng WU ChunYu ZHAO DaYue CHEN
IEICE TRANSACTIONS on Information and Systems
Publication Date: 2010/07/01
Online ISSN: 1745-1361
Print ISSN: 0916-8532
Type of Manuscript: PAPER
Category: Image Processing and Video Processing
radiometric , impulsive , noise , adaptively , filter ,
Full Text: PDF(3.6MB)
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A novel filter is introduced in this paper to improve the ability of radiometric based method on suppressing impulse noise. Firstly, a new method is introduced to design the impulsive weight by measuring how impulsive a pixel is. Then, the impulsive weight is combined with the radiometric weight to obtain the evaluated values on each pixel in the whole corrupted image. The impulsive weight is mainly designed to suppress the impulse noise, while the radiometric weight is mainly designed to protect the noise-free pixel. Extensive experiments demonstrate that the proposed algorithm can perform much better than other filters in terms of the quantitative and qualitative aspects.