[1] GAO Feng.Nonlinear filtering for 2-D digital image processing[J].Acta P hotonica Sinica,1995,24(1):48-56.

[2] DENG G,CAHILL L W.An adaptive gaussian filter for noise reduction and edge detection.Nuclear Science Symposium and Medical Imaging Conference[C].IEEE Conference Record,1994,(3):1615-1619.

[3] ZHU Ju-hua,YANG Xin,LI Jun,et al.Texture analysis based detail preserving smoothing filter[J].Journal of Image and Graphic,2001,6(11):1058-1064.

[4] ZHOU Yuan-yuan,ZHANG Cheng,LIN Jia-yu.Algorithms for fingerprint image preprocessing[J].Computer Applications,2004,24(9):34-36.

[5] JAN M G,ARNOLD W M,JOOST V D.Fast anisotropic Gauss filtering[J].Image Processing,2003,12(8):938-943.

[6] PEI H Q.Discontinuous regression surface fitting[J].The Annals of Statistics,1998,26:2218-2245.

[7] PEI H Q.A nonparametric procedure to detect jumps in regression surface[J].Journal of Computational and Graphical Statistics,2002,11:799-822.

[8] JEAN B M.The hermite transform-theory[J].IEEE Transactions on Acoustics Speech and Signal Processing,1990,38(9):1595-1606.

[9] WANG Huai-ye,ZHANG Ke,LI Yan-jun.Selection of regularization parameter for anisotropic diffusion filtering[J].Acta Photonica Sinica,2005,34(9):1411-1414.

[10] SHANG Xiao-qing,WANG Jun-feng,SONG Guo-xiang.Adaptive wavelet thresholding denoising m ethod based on bayesian[J].Acta Photonica Sinica,2003,32(7):889-891.