A Detection Statistic for Random-Valued Impulse Noise

Yiqiu Dong, Raymond Chan, and Shufang Xu

IEEE Trans. Image Processing, 16 (2007), 1112-1120.

 

Ø      Original 512-by-512 images

à       Baboon

à       Bridge

à       Lena

à       Pentagon

Ø      Comparison of ROAD and ROLD

à      The error-bar charts (Fig. 1)

à      The detection results for “Lena” (Fig. 2)

Ø      Comparison of image restoration

à      PSNR (Table I)

à      COR (Table II)

à      Restored Lena and Pentagon (Fig. 3)

à      Restored Baboon and Bridge (Fig. 4)

Ø      Comparison of noise detection

à      The number of missed pixels and false-hit pixels (Table III, IV)

Ø      Robustness with respect to s

à      PSNR of restored images for different s (Fig. 5)