Removing noise and preserving details with relaxed median filters

被引：104

作者：

Ben Hamza, A ^{[1
]}

Luque-Escamilla, PL

Martínez-Aroza, J

Román-Roldán, R

机构：

[1] Univ Granada, Dept Matemat Aplicada, E-18071 Granada, Spain

[2] Univ Jaen, Dept Ingn Mecan & Minera, Jaen, Spain

[3] Univ Granada, Dept Fis Aplicada, E-18071 Granada, Spain

来源：

JOURNAL OF MATHEMATICAL IMAGING AND VISION | 1999年 / 11卷 / 02期

关键词：

median type-filters; statistical properties; nonlinear filtering;

D O I：

10.1023/A:1008395514426

中图分类号：

TP18 [人工智能理论];

学科分类号：

081104 ; 0812 ; 0835 ; 1405 ;

摘要：

In this paper, a median based filter called relaxed median filter is proposed. The filter is obtained by relaxing the order statistic for pixel substitution. Noise attenuation properties as well as edge and line preservation are analyzed statistically. The trade-off between noise elimination and detail preservation is widely analyzed. It is shown that relaxed median filters preserve details better than the standard median filter, and remove noise better than other median type filters.

引用

页码：161 / 177

页数：17

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