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An adaptive local grid refinement method for 2D diffusion equation with variable coefficients based on block-centered finite differences.

Shuying ZhaiZhifeng WengXinlong Feng
Published in: Appl. Math. Comput. (2015)
Keyphrases
  • feature extraction
  • similarity measure
  • computational complexity
  • preprocessing
  • single image
  • filtering method
  • diffusion equation