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Modified level set method with Canny operator for image noise removal

Wen, P. C., Wang, X. J. and Wei, H. (2010) Modified level set method with Canny operator for image noise removal. Chinese Optics Letters, 8 (12). pp. 1127-1130. ISSN 1671-7694

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The level set method is commonly used to address image noise removal. Existing studies concentrate mainly on determining the speed function of the evolution equation. Based on the idea of a Canny operator, this letter introduces a new method of controlling the level set evolution, in which the edge strength is taken into account in choosing curvature flows for the speed function and the normal to edge direction is used to orient the diffusion of the moving interface. The addition of an energy term to penalize the irregularity allows for better preservation of local edge information. In contrast with previous Canny-based level set methods that usually adopt a two-stage framework, the proposed algorithm can execute all the above operations in one process during noise removal.

Item Type:Article
Divisions:Science > School of Mathematical, Physical and Computational Sciences > Department of Computer Science
ID Code:17372
Publisher:Optics Infobase

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