1. Rafael C. Gonzalez, Richard E. Woods, Digital Image Processing, 2nd ed., Beijing: Publishing House of Electronics Industry, (2007).
2. W. X. Kang, Q. Q. Yang, R. R. Liang , The Comparative Research on Image Segmentation Algorithms, IEEE Conference on ETCS, pp.703-707, (2009).
3. Er. Nirpjeet kaur and Er Rajpreeet kaur, A review on various method of image thresholding, IJCSE-(2011).
4. Zhong Qu andLi Hang"Research on Iimage Segmentation Based on the Improved Otsu Algorithm. ", (2010).
5. W. X. Kang, Q. Q. Yang, R. R. Liang , The Comparative Research on Image Segmentation Algorithms, IEEE Conference on ETCS, pp.703-707, (2009).