Two-step fuzzy logic-based method for impulse noise detection in colour images

被引:43
作者
Camarena, Joan-Gerard [1 ]
Gregori, Valentin [1 ]
Morillas, Samuel [1 ]
Sapena, Almanzor [1 ]
机构
[1] Univ Politecn Valencia, Inst Univ Matemat Pura & Aplicada, Valencia 46022, Spain
关键词
Colour image filter; Fuzzy logic; Fuzzy metric; Impulse noise; PEER GROUPS; REMOVAL; FILTER; SUPPRESSION; REDUCTION; ALGORITHM;
D O I
10.1016/j.patrec.2010.01.008
中图分类号
TP18 [人工智能理论];
学科分类号
081104 ; 0812 ; 0835 ; 1405 ;
摘要
We present a novel fuzzy noise detector based on a fuzzy metric specifically designed to detect impulses. The fuzzy detector is inspired on the recent rank-ordered differences (ROD) statistic. We propose a noise detection process performed in two steps followed by noise filtering using the vector median filter. Experimental results show that the method is among the best-performing methods for impulse noise reduction and computational analysis indicates that the method is pretty efficient. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码:1842 / 1849
页数:8
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