27. Lu, B.B.; Jia, Z.H.; He, D. Remote-Sensing Image Segmentation Method based on Improved OTSU and Shuffled Frog-Leaping Algorithm. Comput. Appl. Softw. 2011, 28, 77–79. 28. Otsu, N. A Threshold Selection Method from Gray-Level Histograms. IEEE Trans. Syst. Man Cybern. 1979,...