Image processing interests me a lot. It started with working on Soybean images to find out whether they are good or bad and eventually reached processing of satellite images to find out the land cover, detect buildings, vehicles, etc. 

Publications

S. Gupta and K. S. Rajan, Extraction of Training Samples from Time-Series MODIS imagery and its utility for Land Cover Classication. International Journal of Remote Sensing, Vol. 32, Iss. 24, 2011.
https://www.tandfonline.com/doi/abs/10.1080/01431161.2011.559488?needAccess=true&journalCode=tres20

Manohar Kuse, Tanuj Sharma, Sudhir Gupta, A Classification Scheme for Lymphocyte Segmentation in H and E Stained Histology Images. Springer Lecture Notes in Computer Science, 2010, Volume 6388/2010, 235-243, DOI: 10.1007/978-3-642-17711-8_24
https://link.springer.com/chapter/10.1007%2F978-3-642-17711-8_24?LI=true

Sudhir Gupta, K.S. Rajan, Temporal signature matching for land cover classification, International Society for Photogrammetry and Remote Sensing Technical Commission VIII Symposium, Kyoto, Japan, 9-12 August, 2010.
http://www.isprs.org/proceedings/XXXVIII/part8/

Gupta, S.; Pandit, V.; Rajan, K.S.; Remote sensing based season calendar for Indian districts using MODIS data, Geoscience and Remote Sensing Symposium,2009 IEEE International,IGARSS 2009 , vol.4, no., pp.IV-296-IV-299, 12-17 July 2009, DOI: 10.1109/IGARSS.2009.5417313
https://ieeexplore.ieee.org/document/5417313

Pandit, V.; Gupta, S.; Rajan, K.S.; Automatic road network extraction using high resolution multitemporal satellite images, Geoscience and Remote Sensing Symposium,2009 IEEE International,IGARSS 2009 , vol.5, no., pp.V-272-V-275, 12-17 July 2009, DOI: 10.1109/IGARSS.2009.5417680
https://ieeexplore.ieee.org/document/5417680

Sudhir Gupta, Vinay Pandit, K.S. Rajan, Suitability Mapping for Locating a Special Economic Zone, Remote Sensing and Photogrammetry Society Conference (RSPSoc), United Kingdom,15-17 September 2008
http://web2py.iiit.ac.in/publications/default/download/inproceedings.pdf.1effea03-4789-4ffa-87a9-64e55381364d.pdf

Sudhir Gupta, Zoheb Hukkeri, Smitha Patil, Asha Kulkarni, B.L.Desai, K. Linganagouda, Classification of Soybean Seeds by Color Image Analysis, 5th International Conference of the Asian Federation For Information Technology in Agriculture (AFITA),
Bangalore, 9-11 November 2006
https://www.tib.eu/en/search/id/BLCP%3ACN071403660/Classification-of-Soybean-Seeds-Using-Color-Image/