[1] SAHOO P K,SOLTANI S.A survey of thresholding techniques [J].Comput.Vis.Graph.Image Process,1988,41(5):233-260.
[2] YANG Y,YAN H.An adaptive logical method for binarization of degraded document images [J].Pattern Recognition,2000,33(5):787-807.
[3] OTSU N.A threshold selection method from gray-level histograms[J].IEEE Transactions on Systems,Man,and Cybernetics 1979,9(1):62-66.
[4] KAPUR J N,SAHOO P K,WONG A K C.A new method for gray-level picture thresholding using the entropy of the histogram[J].Computer Vision Graphics Image Processing,1985,29(4):273-285.
[5] ABUTALEB A S.Automatic thresholding of gray-level picture using two-dimensional entropy [J].Computer Vision Graphics Image Processing,1987,47(6):22-32.
[6] LEE S U,CHUNG S Y.A comparative performance study of several global thresholding techniques for segmentation [J].Computer Vision Graphics and Image Processing,1990,52(3):171-190.
[7] CHERIET M,SAID J N,SUEN C Y.A Recursive Thresholding Technique for Image Segmentation [J].IEEE Trans.on Image Processing,1998,7(6):62-66.
[8] CHEN W T,WEN C H,YANG C W.A fast two-dimensional entropic thresholding algorithm [J].Pattern Recognition,1994,27(7):885-893.