|Table of Contents|

[1] Zeng Weili, Tan Xianghua, Lu Xiaobo,. Domain-based noise removal methodusing fourth-order partial differential equation [J]. Journal of Southeast University (English Edition), 2011, 27 (2): 154-158. [doi:10.3969/j.issn.1003-7985.2011.02.008]
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Domain-based noise removal methodusing fourth-order partial differential equation()
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Journal of Southeast University (English Edition)[ISSN:1003-7985/CN:32-1325/N]

Volumn:
27
Issue:
2011 2
Page:
154-158
Research Field:
Computer Science and Engineering
Publishing date:
2011-06-30

Info

Title:
Domain-based noise removal methodusing fourth-order partial differential equation
Author(s):
Zeng Weili1 Tan Xianghua2 Lu Xiaobo3
1 School of Transportation, Southeast University, Nanjing 210096, China
2 School of Mathematics and Computer Science, Hunan Normal University, Changsha 410081, China
3 School of Automation, Southeast University, Nanjing 210096, China
Keywords:
fourth-order partial differential equation conductance coefficient speckle domain image denoising
PACS:
TP391
DOI:
10.3969/j.issn.1003-7985.2011.02.008
Abstract:
Due to the fact that the fourth-order partial differential equation(PDE)for noise removal can provide a good trade-off between noise removal and edge preservation and avoid blocky effects often caused by the second-order PDE, a domain-based fourth-order PDE method for noise removal is proposed. First, the proposed method segments the image domain into two domains, a speckle domain and a non-speckle domain, based on the statistical properties of isolated speckles in the Laplacian domain. Then, depending on the domain type, different conductance coefficients in the proposed fourth-order PDE are adopted. Moreover, the frequency approach is used to determine the optimum iteration stopping time. Compared with the existing fourth-order PDEs, the proposed fourth-order PDE can remove isolated speckles and keeps the edges from being blurred. Experimental results show the effectiveness of the proposed method.

References:

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Memo

Memo:
Biographies: Zeng Weili(1983—), male, graduate; Lu Xiaobo(corresponding author), male, doctor, professor, xblu2008@yahoo.cn.
Foundation items: The National Natural Science Foundation of China(No.60972001), the National Key Technology R & D Program of China during the 11th Five-Year Period(No.2009BAG13A06).
Citation: Zeng Weili, Tan Xianghua, Lu Xiaobo. Domain-based noise removal method using fourth-order partial differential equation[J].Journal of Southeast University(English Edition), 2011, 27(2):154-158.[doi:10.3969/j.issn.1003-7985.2011.02.008]
Last Update: 2011-06-20