By Rishiraj Dutta Thesis submitted to the International Institute for Geo-information Science and Earth Observation in partial fulfilment of the requirements for the degree of Master of Science in Geo-information Science and Earth Observation, with specialisation in Geoinformatics. Thesis Assessment Board Chairman Prof. Menno J. Kraak ITC, The Netherlands External Examiner Dr. N.K. Patel Space Application Centre (ISRO), Ahmedabad IIRS, Members Mr. P.L.N. Raju Indian Institute of Remote Sensing (NRSA), Dehradun Dr. N.R. Patel Indian Institute of Remote Sensing (NRSA), Dehradun Thesis Supervisor IIRS: Dr. N.R. Patel ITC: Prof. Dr. Ir. Alfred Stein  INTERNATIONAL INSTITUTE FOR GEO-INFORMATION SCIENCE AND EARTH OBSERVATION ENSCHEDE, THE NETHERLANDS & INDIAN INSTITUTE OF REMOTE SENSING, NATIONAL REMOTE SENSING AGENCY (NRSA), DEPARTMENT OF SPACE, GOVT. OF INDIA, DEHRADUN, INDIA |