Impulse Noise Removal of Digital Image Considering Local Line Structure

Shi BAO  Go TANAKA  

Publication
IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences   Vol.E102-A   No.12   pp.1915-1919
Publication Date: 2019/12/01
Online ISSN: 1745-1337
DOI: 10.1587/transfun.E102.A.1915
Type of Manuscript: Special Section LETTER (Special Section on Smart Multimedia & Communication Systems)
Category: Image
Keyword: 
impulse noise,  noise removal,  line structure,  

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Summary: 
For the impulse noise removal from a digital image, most of existing methods cannot repair line structures in an input image. In this letter, a method which considers the local line structure is proposed. In order to judge the direction of the line structure, adjacent lines are considered. The effectiveness of the proposed filter is shown by experiments.