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Optica Publishing Group
  • Chinese Optics Letters
  • Vol. 2,
  • Issue 5,
  • pp. 268-270
  • (2004)

A new noise erosion operator for anisotropic diffusion

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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.

© 2005 Chinese Optics Letters

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