Presentation 2014-09-11
A Proposal of Fast Edge-preserving Smoothing Filter Based on Image Gradient
Shota FURUKAWA, Noriaki SUETAKE, Eiji UCHINO,
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Abstract(in English) As a method to remove the noises superimposed on a digital image, there is a linear low-pass filter. However, the linear low-pass filter smooths not only the noises but also the edges of the image. To cope with the problem, many nonlinear filters have been proposed so far. However, these filters are computationally expensive because the filtering is realized by the normalized convolution of the image and the filter coefficients depending on pixel values in general. In this report, we propose the fast edge-preserving smoothing filter which compresses the weak gradients of the image at low calculation cost. The effectiveness of the proposed filter is verified by some experiments.
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Keyword(in English) Edge-preserving smoothing filter / Image gradient / 4-directional filtering
Paper # SIS2014-55
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Committee SIS
Conference Date 2014/9/4(1days)
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Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) A Proposal of Fast Edge-preserving Smoothing Filter Based on Image Gradient
Sub Title (in English)
Keyword(1) Edge-preserving smoothing filter
Keyword(2) Image gradient
Keyword(3) 4-directional filtering
1st Author's Name Shota FURUKAWA
1st Author's Affiliation Graduate School of Science and Engineering, Yamaguchi University()
2nd Author's Name Noriaki SUETAKE
2nd Author's Affiliation Graduate School of Science and Engineering, Yamaguchi University
3rd Author's Name Eiji UCHINO
3rd Author's Affiliation Graduate School of Science and Engineering, Yamaguchi University:Fuzzy Logic Systems Institute
Date 2014-09-11
Paper # SIS2014-55
Volume (vol) vol.114
Number (no) 205
Page pp.pp.-
#Pages 4
Date of Issue