采用小波域的秩m型l滤波器进行噪声抑制

2010 INTERNATIONAL KHARKOV SYMPOSIUM ON PHYSICS AND ENGINEERING OF MICROWAVES, MILLIMETER AND SUBMILLIMETER WAVES Pub Date : 2010-06-21 DOI:10.1109/MSMW.2010.5546014

F. Gallegos-Funes, M. G. Beltran-Campos, R. Cruz-Santiago, V. Ponomaryov

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引用次数: 0

摘要

本文提出了一种用于彩色图像处理中脉冲噪声和斑点噪声去除的小波域向量中值m型l滤波器(wdvml)。该滤波器在l -滤波器的滤波方案中使用了鲁棒rm估计量。我们利用多比希的小波变换dB4，使RM - l滤波器在小波域中工作。仿真结果表明，通过平衡噪声抑制和细节保留之间的权衡，所提出的滤波器始终优于其他滤波器。

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Noise suppression by use the rank M-type L-filter in the wavelet domain

In this paper we present the Wavelet Domain Vector Median M-type L-filter (WDVMML) for the removal of impulsive and speckle noise in color image processing applications. The proposed filter uses the robust RM-estimator in the filtering scheme of L-filter. We adapt the RM L-filter to work in wavelet domain by use the Daubichies wavelet dB4. Simulation results have demonstrated that the proposed filter consistently outperforms other filters by balancing the tradeoff between noise suppression and detail preservation.

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来源期刊

2010 INTERNATIONAL KHARKOV SYMPOSIUM ON PHYSICS AND ENGINEERING OF MICROWAVES, MILLIMETER AND SUBMILLIMETER WAVES

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