< 70% salt-and-pepper noise (Chan's filter) >
Image set: original | corrupted | adamed05 | 4bank | chan
Noise intensity:  5 | 10 | 15 | 20 | 25 | 30 | 35 | 40 | 45 | 50 | 55 | 60 | 65 | 70 | 75 
Files for download: impnoise_070.zip    impnoise_070_seq.zip
PSNR statistics: min: 23.07 dB (100098.png) max: 36.3 dB (299091.png) avg: 28.1 dB
Filter description: Results were obtained by AM-IEPR method based on salt-and-pepper removal proposed by Prof. Chan (link).
Description of improved AM-IEPR method is available here

70% salt-and-pepper noise, 100098.png, PSNR: 23.07 dB

70% salt-and-pepper noise, 105053.png, PSNR: 34.16 dB

70% salt-and-pepper noise, 106020.png, PSNR: 26.78 dB

70% salt-and-pepper noise, 108073.png, PSNR: 26.57 dB

70% salt-and-pepper noise, 118020.png, PSNR: 25.4 dB

70% salt-and-pepper noise, 118035.png, PSNR: 28.82 dB

70% salt-and-pepper noise, 12003.png, PSNR: 27.66 dB

70% salt-and-pepper noise, 124084.png, PSNR: 30.12 dB

70% salt-and-pepper noise, 145014.png, PSNR: 24.4 dB

70% salt-and-pepper noise, 159045.png, PSNR: 25.89 dB

70% salt-and-pepper noise, 161062.png, PSNR: 31.43 dB

70% salt-and-pepper noise, 176035.png, PSNR: 28.94 dB

70% salt-and-pepper noise, 187003.png, PSNR: 25.4 dB

70% salt-and-pepper noise, 189003.png, PSNR: 25.07 dB

70% salt-and-pepper noise, 189011.png, PSNR: 31.35 dB

70% salt-and-pepper noise, 209070.png, PSNR: 29.67 dB

70% salt-and-pepper noise, 253036.png, PSNR: 32.68 dB

70% salt-and-pepper noise, 299091.png, PSNR: 36.3 dB

70% salt-and-pepper noise, 317080.png, PSNR: 28.02 dB

70% salt-and-pepper noise, 385028.png, PSNR: 26.89 dB

70% salt-and-pepper noise, 56028.png, PSNR: 24.51 dB

70% salt-and-pepper noise, 65010.png, PSNR: 27.22 dB

70% salt-and-pepper noise, 67079.png, PSNR: 26.94 dB

70% salt-and-pepper noise, 97017.png, PSNR: 27.09 dB
Result were obtained with the assistance of Dong Yiqiu and Prof. Raymond Chan

The Berkley Segmentation Dataset and Benchmark