BIG logo
Imaging Web Demonstration
Contents Teaching Research Students Contents
Denoising
 
  Introduction Description roundleft Example roundright    
Example on Lena image
     
Cells Original Border
Border
  Input Image

Lena image with additive noise (20).
     
Cells Original Border
Border
  Output Image with the Wiener filter

SNR = 18.55
     
Cells Original Border
Border
  Output image with the denoising using smooth operator

Sigma = 1.5

Threshold = 34

SNR= 21.61
EPFL Swiss Federal Institute of Technology Lausanne
BIG Biomedical Imaging Group
Address: DMT/IOA, BM-Ecublens, CH-1015 Lausanne, Switzerland
Imaging Web Demonstration
Contact: Webmaster
29 October 1999