[1] J. Alex Stark. Adaptive image contrast enhancement using generalizations of histogram equalization[J]. IEEE Trans. on Image Processing, 2000, 9(5): 889～896

[2] J. G. M. S. Chavemaker. Image sharpening by morphological filtering[J]. Pattern Recognition, 2000, 33: 997～1012

[3] Gonzalez R. C., Woods R. E.. Digital Image Processing[M]. Prentice Hall, 2003

[4] Lee Y H, Park S Y. A study of convex concave edges and edge-enhancing operators based on the laplacian[J]. IEEE Trans. on Circuits and Systems, 1990, 37(7): 940～946

[5] Zheng Gang, Jia Zhenhong. Application of homomorphic technology in infrared images processing[J]. Acta Photonica Sinica, 2005, 34(9): 1401～1403

[6] Wang Gang, Xiao Liang, He Anzhi. Algorithm research of adaptive fuzzy image enhancement in ridgelet transform domain[J]. Acta Optica Sinica, 2007, 27(7): 1183～1190

[7] Sweldens W.. The lifting scheme: A construction of second generation wavelet[J]. SIAM J. Mathematical Anaysis, 1998, 29(2): 511～546

[8] Wang Hui, Zhang Jihong. An algorithm of edge detection based on fuzzy enhancement of contrast among successive regions[J]. Acta Electronica Sinica, 2000, 28(1): 45～47