HAMID R T．Image thresholding using type II fuzzy sets [J]．Pattern Recognition，2005，38(12)：2363-2372．？[2]PAL S K，KING R A．Image enhancement using smoothing with fuzzy events[J]．IEEE Trans on System，Man and Cybernetics，1981，11(7)：494-501．？
[2]
ZADEH L A．Probability measures of fuzzy events[J]．Journal of Mathematical Analysis and Application，1968，23(2)：421-427．
[3]
HUANG L K．Image thresholding by minimizing the measures of fuzziness [J]．Pattern Recognition，1995，28(1)：41-51．？
[4]
沈桂玲．基于模糊集理论的图像分割研究[D]．武汉：武汉科技大学，2008：12-17．？SHEN Guiling．Research of image segmentation based on fuzzy set theory[D]．Wuhan：Wuhan University of Science and Technology，2008：12-17．？
[5]
BURILLO P，BUSTINE H．Entropy on intuitionistic fuzzy sets and on interval？valued fuzzy sets[J]．Fuzzy Sets and Systems，1996，78(3)：305-316．？
[6]
DE LUCA A，TERMINI S．A definition of a nonprobabilistic entropy in the setting of fuzzy sets theory[J]．Information and Control，1972，20(4)：301-312．？
[7]
CHAIRA T，RAY A K．A new measure using intuitionistic fuzzy set theory and its application to edge detection [J]．Applied Soft Computing，2008，8(2)：919-927．？
[8]
VLACHOS I K，SERGIADIS G D．Subsethood，entropy，and cardinality for interval？valued fuzzy sets？an algebraic derivation [J]．Fuzzy Sets and Systems，2007，158(12)：1384-1396．？
[9]
MENDEL J M，JOHN R I B．Type？2 fuzzy sets made simple [J]．IEEE Transactions on Fuzzy Systems，2002，2(10)：117-127．？
[10]
俞峰，杨成梧．直觉区间值模糊集的熵、距离测度和相似测度[J]．计算机科学，2008，35(6)：199-201． ？YU Feng，YANG Chenwu．Entropy，distance measure and similarity measure of intuitionistic interval？valued fuzzy sets[J]．Computer Sciences，2008，35(6)：199-201．？
[11]
ZENG W Y，LI H X．Relationship between similarity measure and entropy of interval valued fuzzy sets[J]．Fuzzy Sets and Systems，2006，157(11)：1447-1484．？
