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IEICE TRANSACTIONS on Fundamentals

Enlargement for Images with Gaussian Noise by Embedded Filtering in the LP Algorithm

Shuai YUAN, Akira TAGUCHI, Masahide ABE, Masayuki KAWAMATA

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Summary :

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.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E89-A No.8 pp.2129-2139
Publication Date
2006/08/01
Publicized
Online ISSN
1745-1337
DOI
10.1093/ietfec/e89-a.8.2129
Type of Manuscript
Special Section PAPER (Special Section on Papers Selected from the 20th Symposium on Signal Processing)
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