Enlargement for Images with Gaussian Noise by Embedded Filtering in the LP Algorithm(<Special Section>Papers Selected from the 20th Symposium on Signal Processing)
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概要
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In this paper, we propose an enlargement method for images with Gaussian noise based on the Laplacian pyramid (LP) representation. Unlike lowpass pre-processing approaches to the LP enlargement method, an embedded approach is used in this paper. Since the amplitude of Gaussian noise signals is smaller than the amplitude of image edge signals in the predicted LP stage, we adopt a modified ε-filter in the proposed LP enlargement algorithm to reduce the Gaussian noise. Experimental results show that the proposed method can obtain high accuracy denoise enlarged images.
- 2006-08-01
著者
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Taguchi Akira
Department Of Electrical And Electronic Engineering Musashi Institute Of Technology
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Abe Masahide
Department Of Electronic Engineering Graduate School Of Engineering Tohoku University
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Kawamata Masayuki
Department Of Electronic Engineering Graduate School Of Engineering Tohoku University
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YUAN Shuai
Department of Electronic Engineering, Graduate School of Engineering, Tohoku University
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Yuan Shuai
Department Of Electronic Engineering Graduate School Of Engineering Tohoku University
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Taguchi Akira
Department Of Applied Chemistry School Of Engineering The University Of Tokyo
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