A Novel Fuzzy Logic Approach to Microcalcification Detection. - Heng-Da Cheng; J. R. Chen; Rita I. Freimanis; X. H. Jiang (Inf. Sci., 1998)

Thresholding using two-dimensional histogram and fuzzy entropy principle. - Heng-Da Cheng; Y. H. Chen; X. H. Jiang (IEEE Trans. Image Process., 2000)