Speckle-Reducing-Anisotropic-Diffusion(SRAD)

Speckle Reducing Anisotropic Diffusion (SRAD) Algorithm

Description

• SpeckleReducingAD.m: Speckle Reducing Anisotropic Diffusion Algortithm (General Version)

• SpeckleReducingAD_New.m: Speckle Reducing Anisotropic Diffusion Algortihm (Optimized Version for my data)

• testSRAD.m: test our SRAD algorithm using the input (noisyImage.png) and get the output

Reference Paper

• Yu, Yongjian, and Scott T. Acton. "Speckle reducing anisotropic diffusion." IEEE Transactions on image processing 11.11 (2002): 1260-1270.

• Perona P, Malik J. Scale-space and edge detection using anisotropic diffusion[J]. IEEE Transactions on pattern analysis and machine intelligence, 1990, 12(7): 629-639.

Basic Principle

This algorithm orignated from Anisotropic Diffusion, the mathematical model is :

Note: the most important part of the model is to define the diffusion function and the diffusion efficient

Pseudocode

Python implementation

Thanks to namioj. The Python implementation is being added as well. Please see the issue section