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  • Received: Dec. 24, 2003

    Accepted: --

    Posted: Jun. 6, 2006

    Published Online: Jun. 6, 2006

    The Author Email: Chao Cai (caichao@mail.hust.edu.cn)

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    Chao Cai, Mingyue Ding, Chengping Zhou, Tianxu Zhang. A new noise erosion operator for anisotropic diffusion[J]. Chinese Optics Letters, 2004, 2(5): 05268

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Chinese Optics Letters, Vol. 2, Issue 5, 05268 (2004)

A new noise erosion operator for anisotropic diffusion

Chao Cai*, Mingyue Ding, Chengping Zhou, and Tianxu Zhang

Author Affiliations

  • Institute for Pattern Recognition and Artificial Intelligence, State Education Commission Key Lab for Image Processing and Intelligent Control, Huazhong University of Science and Technology, Wuhan 430074

Abstract

A noise erosion operator based on partial differential equation (PDE) is introduced, which has an excellent ability of noise removal and edge preservation for two-dimensional (2D) gradient data. The operator is applied to estimate a new diffusion coefficient. Experimental results demonstrate that anisotropic diffusion based on this new erosion operator can efficiently reduce noise and sharpen object boundaries.

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