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Denoising
 
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This demonstration is a comparison of two methods to denoise an image: the Wiener filter and a denoising using smooth operators.
launchdemo
Be patient to load the applet!
bullet Description
bullet Demonstration  
bullet Example
Instruction to use the applet
  1. Choose an image to process.
  2. Add a noise to the input image by pressing on "Add Noise".
  3. Select the algorithmn and the settings of the algorithm. A good setting of the threshold is to choose Threshold = 1.66 * Sigma.
  4. Press on the "Run" button to start the denoising process.
EPFL Swiss Federal Institute of Technology Lausanne
BIG Biomedical Imaging Group
Address: DMT/IOA, BM-Ecublens, CH-1015 Lausanne, Switzerland
Imaging Web Demonstration
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29 October 1999