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电信和无线电工程
SJR: 0.202 SNIP: 0.2 CiteScore™: 0.23

ISSN 打印: 0040-2508
ISSN 在线: 1943-6009

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电信和无线电工程

DOI: 10.1615/TelecomRadEng.v56.i1.70
12 pages

Robust Detail Preserving Image Filter by Means of Use of DSP TMS320C6701

Francisco Javier Gallegos-Funes
National Polytechnic Institute of Mexico, Mexico
Volodymyr Ponomaryov
Instituto Politécnico Nacional, Mexico-city, Mexico
Luis Nino-de-Rivera
SEPI ESIME Culhuacan, National Polytechnic Institute (IPN), Av. Santa Ana No. 1000, C.P. 04430 Mexico D.F. MEXICO

ABSTRACT

In this paper, we present a robust filtering algorithm for image processing that provides preservation of fine details, impulsive noise removal and multiplicative noise suppression by means of use of DSP TMS320C6701. The designed filter is the consequential connection of two filters. The first filter (RM-KNN type) realizes the preservation of fine details by means of the use of the redescending M-estimators combined with the Wilcoxon estimator to provide impulsive noise rejection. The second filter (M type) uses the first filter to provide multiplicative noise suppression. Finally, the outputs of these filters are mixed similarly to the Lee filter. The proposed filter demonstrated excellent fine detail preservation and noise removal ability.


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