Mr. Krishna Kant Singh a faculty of Electronics and Computer Engineering Department along with four students (Neelima Saini Roll No. 15723; Nitin Garg, Roll No. 15725; Sunita Mandal, Roll No. 15736; Nitigya Grover, Roll No. 15724 ) has published a research paper"Unsupervised Change Detection for Satellite Images using Normalized Neighborhood Ratio and Gustafson Kessel Clustering" in International Journal of Advanced Research in Electrical, Electronics and Instrumentation Engineering, Volume 2, Issue 11, pages 5506 -5511, November 2013.
The link for the same is:http://www.ijareeie.com/upload/2013/november/13I_Unsupervised.pdf