4Gonzalez R C,Woods R E.Digital image processing[M].2nd ed.New Jersey : Prentice-Hall, 2001.
5Kenneth J K.Minimum mean squared error impulse noise estimation and cancellation[J].IEEE Trans Signal Processing,1995,43(7): 1651-1662.
6Lee Y H,Kassam S A.Generalized median filtering and related nonlinear filtering techniques[J].IEEE Trans Acoustics,Speech and Signal Processing, 1985,33 ( 3 ) : 672-683.
7Tukey J W.Nonlinear methods for smoothing data[C]//Proc of EASCON'74, 1974:673-681.
8Lin H,Willson A N.Median filter with adaptive length[J].IEEE Trans Circuits and Systems, 1988,35(6):675-690.
9Hwang H,Haddad R A.Adaptive median filters:New algorithms and results[J].IEEE Trans Signal Processing, 1995,4(4):499-502.
10Abreu E,Lightstone M,Mitra S K,et al.A new efficient approach for the removal of impulse from highly corrupted images[J].IEEE Trans Image Processing, 1996,5 (6) : 1012-1025.