Supplementary material for 'MDL Denoising Revisited'

Supplementary Material for 'MDL Denoising Revisited'

T. Roos, P. Myllymäki, J. Rissanen

Software

Data

All the images used in the paper can be downloaded from BLS-GSM Image Denoising. Artificial 1D signals are from Donoho & Johnstone (J. Amer. Statist. Ass. 90(432), 1995), and can be generated by the programs in the source directory (above).

Test Results

Example run

$ ./mdldenoise data/peppers256.png 20    # noise sigma=20.0
none 20.047112 22.089767                 # noisy (MSE PSNR)
visu 14.117754 25.135491                 # VisuShrink
sure 11.272952 27.090051                 # SureShrink
bayes 10.306547 27.868540                # BayesShrink
rnml 14.925664 24.652130                 # (Rissanen, 2000)
inml 13.013526 25.842904                 # MDL (A)
snml 11.476195 26.934846                 # MDL (A-B)
mnml 10.660714 27.575078                 # MDL (A-B-C)

The noisy and denoised images are written to data/peppers256_*.png.


Original	Noisy PSNR=22.1	(Rissanen, 2000) PSNR=24.7

MDL (A) PSNR=25.8	MDL (A-B) PSNR=26.9	MDL (A-B-C) PSNR=27.6

VisuShrink PSNR=25.1	SureShrink PSNR=27.1	BayesShrink PSNR=27.9

Last updated: August 14, 2007