Impulse noise reduction from corrupted images using lifting wavelet filters

Shigeru Takano; Koichi Kuzyme; Koichi Niijima

doi:10.1117/12.386545

30 May 2000 Impulse noise reduction from corrupted images using lifting wavelet filters

Shigeru Takano, Koichi Kuzyme, Koichi Niijima

Proceedings Volume 4067, Visual Communications and Image Processing 2000; (2000) https://doi.org/10.1117/12.386545
Event: Visual Communications and Image Processing 2000, 2000, Perth, Australia

Abstract

A new method to remove impulse noise from images using lifting wavelet filters which contain free parameters is presented. High frequency components obtained by wavelet decomposition are large around impulse noise. Lifting wavelet filters are designed by tuning their free parameters so as to vanish high frequency components at the location of impulse noise. The designed filters have features of impulse noise. Detection of impulse noise can be done by applying the learnt filters to corrupted images. Reduction of impulse noise from the image is carried out using a wavelet reconstruction formula.

Citation Download Citation

Shigeru Takano, Koichi Kuzyme, and Koichi Niijima "Impulse noise reduction from corrupted images using lifting wavelet filters", Proc. SPIE 4067, Visual Communications and Image Processing 2000, (30 May 2000); https://doi.org/10.1117/12.386545

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