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Nonlinear Coupled Diffusion 1.0

  Date Added: July 01, 2013  |  Visits: 213

Nonlinear Coupled Diffusion

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The code supports homogeneous and linear and nonlinear (Total Variation and Edge Enhancing flow) isotropic diffusion of arbitrary dimensioned fields(scalar~grayscale image, vector ~ color image and matrix~structure tensor). Additive Operator Splitting(AOS) as well as Gaussian regularization are implemented to speedup the computations.Two point 1 sided differences is implemented for spatial discretization which is more accurate than the central differences. A semi implicit time discretization as well as epsilon regularization is utilized to make the diffusion process stable for arbitrary time-step sizes. The code is commented, the definition and dimensions of the input/output variables can be found in the header of the nonlinear_diffusion.m. A sample script is provided to visualize the diffusion process of two sample images.The AOS implementation uses the Thomas algorithm implemented in mex to achieve the fastest speed.

Requirements: No special requirements
Platforms: Matlab
Keyword: Accurate Central Commented Definition Dimensions Inputoutput Process Sizes Stable Timestep
Users rating: 0/10

License: Shareware Size: 163.84 KB
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