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Indian Space Research Organisation

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Dr. Shashi Kumar

Dr. Shashi Kumar
Designation : Scientist/Engineer – ‘SE’
Department : Photogrammetry & Remote Sensing Department
Field of Expertise : Polarimetric SAR Remote Sensing
Mail Address : Photogrammetry & Remote Sensing Department Indian Institute of Remote Sensing ISRO Dept. of Space, Govt. of India 4, Kalidas Road Dehradun- 248001 INDIA
  • SAR Remote Sensing
  • Interferometric and Differential Interferometric SAR Remote Sensing
  • Polarimetric SAR (PolSAR) Remote Sensing & Hybrid SAR Polarimetry
  • Polarimetric SAR Interferometry (PolInSAR)
  • SAR Tomography
  • Mathematical and Physical Modeling of Microwave Scattering and SAR Remote Sensing
  • Life Member of Indian Society of Remote Sensing (ISRS)
  • Life member of Indian Meteorological Society
  • Life member of Astronautical Society of India (ASI)
  • Ph.D. (2019): Polarimetric SAR Interferometry (PolInSAR) and Polarimetric SAR (Tomography), India Institute of Technology Roorkee (IITR), Roorkee
  • M.Sc. (2009) : Geoinformatics, (Joint education program of IIRS, Dehradun, India and ITC, Enschede, The Netherlands).
  • M.Sc. (2006) : Physics, (Patna University, Patna)
  • Scientist ‘SC’ (December 07, 2009 - December 31, 2013)
  • Scientist ‘SD’ (January 01, 2014 - December 31, 2017)
  • Scientist ‘SE’ (January 01, 2018 -till date)
Representation in Committee/Group
  • Science team member of NASA ISRO Synthetic Aperture Radar (NISAR) mission for SAR data based algorithm and tool development (2014-Present).
  • Science team member of working group 2 and 3 of Chandrayaan-2 mission for lunar volatile and lunar environment (2018-Present).
  • Member of task group for Synthetic Aperture Radar (SAR) models for forest parameter retrieval under the partnership of Government of India (GoI) and United States Agency for International Development (USAID) Forest-PLUS program (2015-16).
  • Member of the committee for Commonwealth Scholarship 2016 at Department of Higher Education, Ministry of Human Research Development, R.K. Puram, New Delhi (2016).
Professional Contribution as an External Expert
  • Reviewed an ISRO funded project on Virtual Lab for SAR Image Analysis at Indian Institute of Technology (IIT) Bombay in July 2016.
  • Reviewed research articles of Advances in Space Research (ASR), CATENA, Computers and Electronics in Agriculture, IEEE Transactions on Geoscience and Remote Sensing (IEEE TGRS), IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing (J-STARS), International Journal of Applied Earth Observation and Geoinformation (IJAEOG), International Journal of Remote Sensing (IJRS), ISPRS Journal of Photogrammetry and Remote Sensing (ISPRS), Journal of Applied Remote Sensing (JARS), Journal of Environmental Management (JEMA) and Journal of the Indian Society of Remote Sensing (JISRS).
Invited Talk and Guest Lectures
  • Delivered a talk on Basics of SAR polarimetry in the day pre-symposium tutorial on “Synthetic Aperture Radar (SAR) Data Processing and Applications under ISG-ISRS National Symposium 2019 at North Eastern Space Applications Centre (NESAC), Umiam, Meghalaya.
  • Delivered two days talk on Polarimetric SAR Remote Sensing and its Applications in a short course on "Microwave remote sensing with special emphasis on North East India" from 19th- 23rd August 2019 at North Eastern Space Applications Centre (NESAC), Umiam, Meghalaya.
  • Delivered 6 hrs talk on PolInSAR, PSInSAR and SAR Tomography in AICTE approved Quality Improvment Programme (QIP)-Short term course for faculty members on “Optical and Microwave Remote Sensing Techniques and its Applications” from 24.12.2018 to 28.12.2018 at Indian Institute of Technology (IIT), Roorkee.
  • Delivered 8hrs talk on Basics of Remote Sensing & Image interpretation in training program for defence officers & scientists in January and July 2018 at Defence Image Processing and Analysis Centre (DIPAC), New Delhi.
  • An invited talk on Advances of SAR Remote Sensing for Natural Resources at Keshava Deva Malaviya Institute of Petroleum Exploration (KDMIPE), ONGC, Dehradun on October 06, 2017.
  • Three hours webinar on SAR data processing for the short course organized by Committee on Earth Observation Satellites (CEOS) Working Group on Capacity Building & Data Democracy (WGCapD) on August 01, 2017.
  • Delivered 4.5 hrs talk on Overview of SAR Remote Sensing, SAR data processing and Basics of SAR Polarimetry & Interferometry in a webinar series on " SAR Data Processing and Applications" from 17.04.2017 to 09.06.2017 for international participants of 45 countries in the short course of Committee on Earth Observation Satellites (CEOS) Working Group on Capacity Building & Data Democracy (WGCapD).http://ceos.org/document_management/Working_Groups/WGCapD/SAR_Webinar_Series_Short_Report.pdf
  • Delivered two days talk on basic and advance conceps of microwave remote sensing and SAR polarimetry in a short term training program on “Microwave Remote Sensing and it’s applications” from 24.01.2017 to 28.01.2017 at National Institute of Technology (NIT), Raipur.
  • Delivered 8hrs talk on Basics of Remote Sensing & Image interpretation in training program for officers of Central Reserve Police Force (CRPF) at Internal Security Academy (ISA), Mount Abu in November 2016.
  • Delivered 2hrs talk to the trainees of Indian Forest Service (IFS) on Remote Sensing Applications in Forestry at Indira Gandhi National Forest Academy (IGNFA), Dehradun.
  1. Shashi Kumar, Arun Babu, Shefali Agrawal, Udit Asopa, Shashwat Shukla, and Abhisek Maiti. 2021. “Polarimetric Calibration of Spaceborne and Airborne Multifrequency SAR Data for Scattering-Based Characterization of Manmade and Natural Features.” Advances in Space Research. https://doi.org/https://doi.org/10.1016/j.asr.2021.02.023.
  2. M.E. Bhanu Prakash, and Shashi Kumar. 2021. “Multifrequency Analysis of PolInSAR-Based Decomposition Using Cosine-Squared Distribution.” IETE Technical Review.https://doi.org/10.1080/02564602.2021.1892542.
  3. Abhisek Maiti, Shashi Kumar, Valentyn A. Tolpekin, and Shefali Agarwal. 2021. “A Computationally Efficient Hybrid Framework for Polarimetric Calibration of Quad-Pol SAR Data.” Earth and Space Science, 1–20. https://doi.org/10.1029/2020EA001447.
  4. Ritwika Mukhopadhyay, Shashi Kumar, Hossein Aghababaei, and Anurag Kulshrestha. 2021. “Estimation of Aboveground Biomass from PolSAR and PolInSAR Using Regression-Based Modelling Techniques.” Geocarto International 0 (0): 1–27. https://doi.org/10.1080/10106049.2021.1878289.
  5. Shubham Awasthi, Shashi Kumar, Praveen K. Thakur, Kamal Jain, Ajeet Kumar, and Snehmani. 2021. “Snow Depth Retrieval in North-Western Himalayan Region Using Pursuit-Monostatic TanDEM-X Datasets Applying Polarimetric Synthetic Aperture Radar Interferometry Based Inversion Modelling.” International Journal of Remote Sensing 42 (8): 2872–97. https://doi.org/10.1080/01431161.2020.1862439.
  6. M.E. Bhanu Prakash, and Shashi Kumar. 2021. “PolInSAR Decorrelation-Based Decomposition Modelling of Spaceborne Multifrequency SAR Data.” International Journal of Remote Sensing 42 (4): 1398–1419.https://doi.org/10.1080/01431161.2020.1829155.
  7. Anuvi Rawat, Anil Kumar, Priyadarshi Upadhyay and Shashi Kumar. 2021. “A Comparative Study of 1D-Convolutional Neural Networks with Modified Possibilistic c-Mean Algorithm for Mapping Transplanted Paddy Fields Using Temporal Data.” Journal of the Indian Society of Remote Sensing 4.https://doi.org/10.1007/s12524-020-01303-4.
  8. M N S Ramya, and Shashi Kumar. 2021. “PolInSAR Coherence-Based Decomposition Modeling for Scattering Characterization: A Case Study in Uttarakhand, India.” Science of Remote Sensing 3: 100020:1-10.https://doi.org/10.1016/j.srs.2021.100020.
  9. Anuvi Rawat, Anil Kumar, Priyadarshi Upadhyay and Shashi Kumar. 2021. “Deep Learning-Based Models for Temporal Satellite Data Processing: Classification of Paddy Transplanted Fields.” Ecological Informatics 61: 101214. https://doi.org/https://doi.org/10.1016/j.ecoinf.2021.101214.
  10. Shashi Kumar, Himanshu Govil, Prashant K Srivastava, Praveen K Thakur, and Satya P S Kushwaha. 2020. “Spaceborne Multifrequency PolInSAR-Based Inversion Modelling for Forest Height Retrieval.” Remote Sensing 12 (24): 1–27. https://doi.org/10.3390/rs12244042
  11. Shashi Kumar, Vignesh Kandasamy S, Arun Babu, Praveen K. Thakur, Shefali Agrawal. 2020. "PSInSAR-based Surface Deformation Mapping of Angkor Wat Cultural Heritage Site", Journal of the Indian Society of Remote Sensing. 1-16. https://doi.org/10.1007/s12524-020-01257-7.
  12. Arun Babu, Shashi Kumar and Shefali Agrawal. 2020. "Polarimetric Calibration of L-Band UAVSAR Data", Journal of the Indian Society of Remote Sensing. https://doi.org/10.1007/s12524-020-01241-1
  13. Arun Babu, Shashi Kumar and Himanshu Govil. 2020. "Investigation on the Effects of Polarization Orientation Angle Shift in the UAVSAR Polarimetric Decomposition", Journal of the Indian Society of Remote Sensing. https://doi.org/10.1007/s12524-020-01234-0
  14. Shahid Shuja Shafai and Shashi Kumar. 2020. "PolInSAR Coherence and Entropy‐Based Hybrid Decomposition Model", Earth and Space Science, 7(10), e2020EA001279: 1-17. https://doi.org/10.1029/2020ea001279
  15. Udit Asopa and Shashi Kumar. 2020. "UAVSAR Tomography for Vertical Profile Generation of Tropical Forest of Mondah National Park, Gabon", Earth and Space Science, 7(10), e2020EA001230; 1-14. https://doi.org/10.1029/2020EA001230
  16. Shashwat, Shukla, Valentyn A. Tolpekin, Shashi Kumar and Alfred Stein. 2020. "Investigating the retention of solar wind implanted helium-3 on the moon from the analysis of multi-wavelength remote sensing data" Remote Sensing, 12(20), 3350-1–24. https://doi.org/10.3390/rs12203350
  17. Ankita Vashishtha and Shashi Kumar. 2020. “Characterization of Geomorphological Features of Lunar Surface Using Chandrayaan-1 Mini-SAR and LRO Mini-RF Data.” Quaternary International, no. August. Elsevier Ltd: 1–20. https://doi.org/10.1016/j.quaint.2020.08.018
  18. Vaishali Chaudhary and Shashi Kumar. 2020. “Marine Oil Slicks Detection using Spaceborne and Airborne SAR data”, Advances in Space Research. Volume 66, Issue 4, Pages 854–872. (Imapct_Factor-2.177). https://doi.org/https://doi.org/10.1016/j.asr.2020.05.003
  19. Abhilash Singh, Kumar Gaurav, Ganesh K. Meena, Shashi Kumar. 2020. "Estimation of Soil Moisture Applying Modified Dubois Model to Sentinel-1; A Regional Study from Central India", Remote Sensing, Volume 12, Issue 14, Pages 2266-1–19. (Impact_Factor- 4.509). https://doi.org/https://doi.org/10.3390/rs12142266
  20. Shubham Awasthi, Praveen K. Thakur, Shashi Kumar, Ajeet Kumar, Kamal Jain and Sneh Mani. 2020. “Snow Density retrieval using Hybrid polarimetric RISAT-1 datasets”, IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Volume 13, Pages 3058–3065. (Impact_Factor-3.827). https://doi.org/10.1109/JSTARS.2020.2991156
  21. Anuvi Rawat, Anil Kumar, Priyadarshi Upadhyay and Shashi Kumar. 2020. “Multisensor temporal approach for transplanted paddy fields mapping using fuzzy-based classifiers”, Journal of Applied Remote Sensing, Volume 14, Issue 2, Pages 024524 -1–19. (Impact Factor- 1.360). https://doi.org/10.1117/1.JRS.14.024524
  22. Shashi Kumar, Rahul D. Garg, Himanshu Govil and Satya P. S. Kushwaha. 2019. “PolSAR-Decomposition-Based Extended Water Cloud Modeling for Forest Aboveground Biomass Estimation”, Remote Sensing, Volume 11, Issue 19, 2287-1–27. (Impact Factor- 4.509). https://doi.org/10.3390/rs11192287
  23. Kiledar S. Tomar, Shashi Kumar, and Valentyn A. Tolpekin. 2019. “Evaluation of Hybrid Polarimetric Decomposition Techniques for Forest Biomass Estimation”, IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Volume 12, Issue 10, Pages 3712-3718. (Impact Factor- 3.827). https://doi.org/10.1109/JSTARS.2019.2947088
  24. Arun Babu, Shashi Kumar and Shefali Agrawal. 2019. “Polarimetric Calibration of RISAT-1 Compact-Pol Data”, IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Volume 12, Issue 10, Pages 3731-3736. (Impact Factor- 3.827). https://doi.org/10.1109/JSTARS.2019.2932019
  25. Shashwat, Shukla, Shashi Kumar, and Valentyn A. Tolpekin. 2019. “Petrophysical Insights into Lunar Mafic Extrusive Basalts over Reiner Gamma Formation”, IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Volume .., Issue .., Pages 1–17 (Early Access). (Impact Factor- 3.827). https://doi.org/10.1109/JSTARS.2019.2909352
  26. Arun Babu and Shashi Kumar. 2019. “SBAS Interferometric Analysis for Volcanic Eruption of Hawaii Island”, Journal of Volcanology and Geothermal Research, Volume 370, Pages 31–50. (Impact Factor- 2.827). https://doi.org/10.1016/j.jvolgeores.2019.01.011
  27. Unmesh G. Khati, Gulab Singh, and Shashi Kumar. 2018. “Potential of Space-Borne PolInSAR for Forest Canopy Height Estimation Over India—A Case Study Using Fully Polarimetric L-, C-, and X-Band SAR Data”, IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Volume 11, Issue 7, Pages 2406–16. (Impact Factor- 3.827). https://doi.org/10.1109/JSTARS.2018.2835388
  28. Shashi Kumar, Raghavendra Sara, Jenia Singh, Shefali Agrawal, and Satya P. S. Kushwaha. 2018. “Spaceborne PolInSAR and Ground-Based TLS Data Modeling for Characterization of Forest Structural and Biophysical Parameters”, Remote Sensing Applications: Society and Environment, Volume 11, Pages 241–53. (SNIP- 1.097). https://doi.org/10.1016/j.rsase.2018.07.010
  29. Pratyusha Gonnuru and Shashi Kumar. 2018. “PsInSAR based land subsidence estimation of Burgan oil field using TerraSAR-X data”, Remote Sensing Applications: Society and Environment, Volume 9, Pages 17-25. (SNIP- 1.097). https://doi.org/10.1016/j.rsase.2017.11.003
  30. Himanshu Govil, Neetu Gill, M. Santosh, Rajendran Sankaran and Shashi Kumar. 2018. “Identification of new base metal mineralization in Kumaon Himalaya, India, using hyperspectral remote sensing and hydrothermal alteration”, Ore Geology Reviews, Volume 92, Pages 271-283. (Impact Factor- - 3.868). https://doi.org/10.1016/j.oregeorev.2017.11.023
  31. Shashi Kumar, Sushil K. Joshi and Himanshu Govil. 2017. “Spaceborne PolSAR Tomography for forest height retrieval”, IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Volume 10, Issue 12, Pages 5175 – 5185. (Impact Factor- 3.827). https://doi.org/10.1109/JSTARS.2017.2741723
  32. Shashi Kumar, Rahul D. Garg, Satya P.S. Kushwaha and Uttara Pandey. 2017. “Spaceborne SAR Tomography for vertical profile retrieval of forest vegetation”, Proceedings of the National Academy of Sciences, India Section A: Physical Sciences, Volume 87, Issue 4, Pages 807–816. (Impact Factor- 0.921). https://doi.org/10.1007/s40010-017-0450-x
  33. Shashi Kumar, Rahul D. Garg, Satya P. S. Kushwaha, W. G. N. N. Jayawardhana and Shefali Agarwal. 2017. “Bistatic PolInSAR inversion modelling for plant height retrieval in a tropical forest”, Proceedings of the National Academy of Sciences, India Section A: Physical Sciences, Volume 87, Issue 4, Pages 817-826. (Impact Factor- 0.921). https://doi.org/10.1007/s40010-017-0451-9
  34. Shashi Kumar, Unmesh G. Khati, Shreya Chandola, Shefali Agrawal, Satya P.S. Kushwaha. 2017. “Polarimetric SAR Interferometry based modeling for tree height and aboveground biomass retrieval in a tropical deciduous forest”, Advances in Space Research, Volume 60, Issue 3, Pages 571–586. (Impact Factor- 2.177). https://doi.org/10.1016/j.asr.2017.04.018
  35. Sushil K. Joshi and Shashi Kumar. 2017. "Spaceborne PolInSAR tomography for vertical profile retrieval of forest vegetation", Journal of Applied Remote Sensing, Volume 11, Issue 1, Pages 016001-1-20. (Impact Factor-1.360). https://doi.org/10.1117/1.JRS.11.016001
  36. Sushil K. Joshi and Shashi Kumar. 2017. "Performance of PolSAR backscatter and PolInSAR coherence for scattering characterization of forest vegetation using single pass X-band spaceborne synthetic aperture radar data", Journal of Applied Remote Sensing, Volume 11, Issue 2, Pages 026022-1-19. (Impact Factor- 1.360). https://doi.org/10.1117/1.JRS.11.026022
  37. M.D. Behera, P. Tripathi, B. Mishra, Shashi Kumar, V.S. Chitale, and Soumit K Behera. 2016. “Above-ground biomass and carbon estimates of Shorea robusta and Tectona grandis forests using QuadPOL ALOS PALSAR data”, Advances in Space Research, Volume 57, Issue 2 Pages 552-561. (Impact Factor- 2.177). https://doi.org/10.1016/j.asr.2015.11.010
  38. P. Sai Bharadwaj, Shashi Kumar, Satya P.S. Kushwaha, Wietske Bijker. 2015. “Polarimetric scattering model for estimation of above ground biomass of multilayer vegetation using ALOS-PALSAR quad-pol data”, Physics and Chemistry of the Earth, Parts A/B/C, Volumes 83–84, Pages 187-195. (Impact Factor- 2.308). https://doi.org/10.1016/j.pce.2015.09.003
  39. Ajith Kumar, P., and Shashi Kumar. 2014. “Estimation of optical maturity parameter for lunar soil characterization using Moon Mineralogy Mapper (M3)", Advances in Space Research, Volume 53, Issue 12, Pages 1694-1719. (Impact Factor- 2.177). https://doi.org/10.1016/j.asr.2014.01.009
  40. Shashi Kumar, U. Pandey, Satya P.S. Kushwaha, R.S. Chatterjee, and W. Bijker. 2012. "Aboveground biomass estimation of tropical forest from Envisat advanced synthetic aperture radar data using modeling approach", Journal of Applied Remote Sensing, Volume 6, Issue 1, Pages 063588-1-18. (Impact Factor- 1.360). https://doi.org/10.1117/1.JRS.6.063588
  • S. Kumar & P.K. Thakur (Eds.). (2014), Polarimetric SAR Data Processing and Applications. Lecture Notes, ISPRS TC VIII Pre-Symposium Tutorial, NRSC, Hyderabad, 7-8 December, 2014
  • Agrawal, S., S. Raghavendra, Shashi Kumar, Hina Pande (2019). Geospatial Data for the Himalayan Region: Requirements, Availability, and Challenges, in: Remote Sensing of Northwest Himalayan Ecosystems. Springer Singapore, Singapore, pp. 471–500. https://doi.org/10.1007/978-981-13-2128-3_22
  • S. Kumar & U.G. Khati (2014). Polarimetric SAR Interferometry (PolInSAR) for Tree Height Estimation. In S. Kumar & P.K. Thakur (Eds.), Polarimetric SAR Data Processing and Applications (Ch7). Lecture Notes, ISPRS TC VIII Pre-Symposium Tutorial, NRSC, Hyderabad,7-8 December, 2014
  • S. Kumar (2014). PolSAR Data Processing. In S. Kumar & P.K. Thakur (Eds.), Polarimetric SAR NRSC, Hyderabad Data Processing and Applications (Ch4). Lecture Notes, ISPRS TC VIII Pre-Symposium Tutorial, NRSC, Hyderabad, 7-8 December, 2014
  • S. Kumar & Sita Kumari (2014). SAR Remote Sensing. In S. Kumar & P.K. Thakur (Eds.), Polarimetric SAR Data Processing and Applications (Ch1). Lecture Notes, ISPRS TC VIII Pre-Symposium Tutorial, NRSC, Hyderabad
  • S. Kumar, " Microwave Remote Sensing" in Microwave Remote Sensing, Volume-I, Lecture Notes International Training Course on Microwave Remote Sensing and its Applications, First edition-2011, Center for Space Science & Technology Education in Asia & The Pacific (CSSTEAP), IIRS, Dehradun.
  • S. Kumar and P.M. Balaji, "Differential SAR Interferometry (DInSAR)," in Microwave Remote Sensing, Volume-I, Lecture Notes International Training Course on Microwave Remote Sensing and its Applications, First edition-2011, Center for Space Science & Technology Education in Asia & The Pacific (CSSTEAP), IIRS, Dehradun.
International Conferences/Workshops
  • Shashi Kumar., Kumari, V., Alice, ME, B. P., Babu, A., Maiti, A., & Agrawal, S. (2020). Polarimetric SAR Calibration and Processing Tool V1.0: A Tool for Polarimetric Calibration and Processing of SAR Data. In 2020 7th International Conference on Signal Processing and Integrated Networks (SPIN) (pp. 459–464). Noida, India: IEEE.https://doi.org/10.1109/SPIN48934.2020.9071299
  • ME, B. P., & Shashi Kumar. (2020). PolInSAR based Polarimetric Decomposition using Cosine square distribution. In 2020 7th International Conference on Signal Processing and Integrated Networks (SPIN) (pp. 465–470). Noida, India: IEEE. https://doi.org/10.1109/SPIN48934.2020.9071416
  • Shukla, S., Maiti, A., Patterson, G. W., Prem, P., Cahill, J. T. S., Thomson, B. J., Tolpekin, V. A., & Shashi Kumar. (2020). Mini-RF Global and Polar S-Band Maps of the Variation in the Moon’s Dielectric Constant. In 51st Lunar and Planetary Science Conference (2020) (p. 2509). The Woodlands, Texas, USA. Retrieved from https://www.hou.usra.edu/meetings/lpsc2020/pdf/2509.pdf
  • Shukla, S., Maiti, A., Patterson, G. W., Prem, P., Bhiravarasu, S. S., Tolpekin, V. A., & Shashi Kumar. (2020). Modelling the Physical Nature of Lunar Regolith at S-Band and L-Band Wavelengths using the Chandrayaan-2 DFSAR and LRO Mini-RF Radars. In 51st Lunar and Planetary Science Conference (2020) (p. 2268). The Woodlands, Texas, USA. Retrieved from https://www.hou.usra.edu/meetings/lpsc2020/pdf/2268.pdf
  • Singh, A., Gaurav, K., & Shashi Kumar. (2020). Evaluating the potential of Sentinel-1 images for the estimation of soil moisture on an alluvial Fan. In EGU General Assembly 2020 (p. 19614). Vienna, Austria: EGU. https://doi.org/10.5194/egusphere-egu2020-19614
  • Vashishtha, A., & Shashi Kumar. (2020). Detection of New Potential Site of Lava Tube in Marius Hills Region by Three Component Decomposition Technique of LRO Mini-RF Data. In 51st Lunar and Planetary Science Conference (2020) (p. 1880). The Woodlands, Texas, USA. Retrieved from https://www.hou.usra.edu/meetings/lpsc2020/pdf/1880.pdf
  • Asopa, U., & Shashi Kumar (2020). Multi Frequency Polarimetric Decomposition of UAVSAR Data. In K. Jain, K. Khoshelham, X. Zhu, & A. Tiwari (Eds.), Proceedings of UASG 2019 (pp. 327–337). Cham: Springer International Publishing.
  • Agrawal, N., Shashi Kumar, & Tolpekin, V. A. (2019). PolInSAR based scattering information retrieval for forest aboveground biomass estimation. International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences - ISPRS Archives, 42(2/W13), 1913–1920. https://doi.org/10.5194/isprs-archives-XLII-2-W13-1913-2019
  • Babu, A., & Shashi Kumar (2019). InSAR Coherence and Backscatter Images Based Analysis for the Anak Krakatau Volcano Eruption. In J. Martínez-Frías (Ed.), Proceedings (Vol. 24, pp. 21:1–8). Multidisciplinary Digital Publishing Institute (MDPI AG). https://doi.org/10.3390/IECG2019-06216
  • Babu, A., & Shashi Kumar.. (2019). PSInSAR Processing for Volcanic Ground Deformation Monitoring Over Fogo Island. In J. Martínez-Frías (Ed.), Proceedings (Vol. 24, pp. 3:1-8). Multidisciplinary Digital Publishing Institute (MDPI AG). https://doi.org/10.3390/IECG2019-06217
  • Babu, A., & Shashi Kumar (2019). PSInSAR Processing for Volcanic Ground Deformation Monitoring Over Fogo Island. In J. Martínez-Frías (Ed.), Proceedings (Vol. 24, pp. 3:1-8). Multidisciplinary Digital Publishing Institute (MDPI AG). https://doi.org/10.3390/IECG2019-06217
  • Babu, A., Shashi Kumar., & Agrawal, S. (2019). Polarimetric Calibration of L-Band UAVSAR Data. In 1st International Conference on Unmanned Aerial System in Geomatics (UASG-2019). Noida, India.
  • Babu, A., Shashi Kumar., & Agrawal, S. (2019). RISAT-1 Compact Polarimetric Calibration and Decomposition. In Q. Wang (Ed.), Proceedings (Vol. 18, pp. 3:1-7). Multidisciplinary Digital Publishing Institute (MDPI AG). https://doi.org/10.3390/ECRS-3-06189
  • Balaji, P. M., & Shashi Kumar (2019). Effect of Atmospheric propagation of Electromagnetic Wave on DInSAR Phase. In Q. Wang (Ed.), Proceedings (Vol. 18, pp. 5:1-8). Multidisciplinary Digital Publishing Institute (MDPI AG). https://doi.org/10.3390/ECRS-3-06188
  • Garg, R., Kumar, A., & Shashi Kumar (2019). Ship Detection using L & S Band Airborne SAR Data. In 2019 URSI Asia-Pacific Radio Science Conference (AP-RASC) (p. 407286). New Delhi: URSI. Retrieved from http://www.ursi.org/proceedings/procAP19/papers2019/PID5638437.pdf
  • Majumdar, S., Thakur, P. K., Ling, C., Shashi Kumar, & Ryan G., S. (2019). Spaceborne Polarimetric SAR Interferometry for Snow Depth Retrieval in the Northwestern Himalayan Watershed. In The Geological Society of America 2019 Annual Meeting (p. 1). Phoenix, Arizona, USA: Geological Society of America. https://igarss2019.org/Papers/ViewPapers_MS.asp?PaperNum=3115
  • Shukla, S., Shashi Kumar, & Tolpekin, V. A. (2019). Advancing to Lunar Lava Tube Sensing: A New Radar Perspective of Philolaus Skylight Candidates. In 50th Lunar and Planetary Science Conference 2019 (p. 2283). The Woodlands, Texas, USA: Lunar and Planetary Institute, Houston. Retrieved fromhttps://www.hou.usra.edu/meetings/lpsc2019/pdf/2283.pdf
  • Shukla, S., Kumar, S., & Tolpekin, V. A. (2019). Revisiting the Retention Framework of Lunar Helium-3 through Space Weathering Processes and its Implications. In Lunar ISRU 2019: Developing a New Space Economy through Lunar Resources and their Utilization (p. 5108). Columbia, Maryland: Lunar and Planetary Institute, Houston. Retrieved fromhttps://www.lpi.usra.edu/lpi/contribution_docs/LPI-002152.pdf
  • Singh, A, Meena, G. K., Shashi Kumar, & Gaurav, K. (2019). Evaluation of the Penetration Depth of L- and S-Band (NISAR mission) Microwave SAR Signals into Ground. In 2019 URSI Asia-Pacific Radio Science Conference (AP-RASC) (p. 1). IEEE.https://doi.org/10.23919/URSIAP-RASC.2019.8738217
  • Singh, Awinash, Shashi Kumar, & Jhajharia, K. (2019). PolInSAR coherence based decomposition for scattering characterization of urban area. In 3rd International Electronic Conference on Remote Sensing (pp. 1–6). Electronic Conference: Multidisciplinary Digital Publishing Institute (MDPI AG).https://doi.org/10.3390/ECRS-3-06185
  • Majumdar, S., Thakur, P. K., Ling, C., & Shashi Kumar.. (2019). X-band Polarimetric SAR Copolar Phase Difference for Fresh Snow Depth Estimation in the Northwestern Himalayan Watershed. In IEEE 2019 International Geoscience and Remote Sensing Symposium (IGARSS 2019) (pp. 4104–4105). Yokohama, Japan: IEEE. Retrieved from https://doi.org/10.1130/abs/2019AM-338916
  • grawal, N., Shashi Kumar, & Tolpekin, V. A. (2019). PolInSAR based scattering information retrieval for forest aboveground biomass estimation. International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences - ISPRS Archives, 42(2/W13), 1913–1920. https://doi.org/10.5194/isprs-archives-XLII-2-W13-1913-2019
  • Asopa, U., Shashi Kumar., & Thakur, P. K. (2018). PSInSAR Study of Lyngenfjord Norway, using TerraSAR-X Data. In ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences (Vol. 4, pp. 245–251). https://doi.org/10.5194/isprs-annals-IV-5-245-2018
  • Babu, A., & Shashi Kumar. (2018). Tree canopy height estimation using multi baseline rvog inversion technique. In International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences - ISPRS Archives (Vol. 42, pp. 605–611). Retrieved from https://www.scopus.com/inward/record.uri?eid=2-s2.0-85057601912&partnerID=40&md5=3ca8c5aba316d988f3532d663b076e2c
  • Bhowmick, R. S., Kumar, A., Singh, G. D., & Shashi Kumar. (2018). Model for land cover estimation using unsupervised machine learning on Google maps color images. In International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences - ISPRS Archives (Vol. 42, pp. 147–154). https://doi.org/10.5194/isprs-archives-XLII-5-147-2018
  • Dini Das, A. S., Shashi Kumar., Babu, A., & Thakur, P. K. (2018). Insar coherence and polarimetric parameters based characterization of flooded area -case study of a natural world heritage site kaziranga national park. In ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences (Vol. 4, pp. 265–272). https://doi.org/10.5194/isprs-annals-IV-5-265-2018
  • Gonnuru, P., & Shashi Kumar. (2018a). C-band SAR interferometry for change detection analysis in Krishna River Delta. In 2018 3rd International Conference on Microwave and Photonics (ICMAP) (pp. 1–2). https://doi.org/10.1109/ICMAP.2018.8354534
  • Gonnuru, P., & Shashi Kumar. (2018c). TerraSAR-X based PsInSAR for subsidence mapping of Burgan oil field, Kuwait. In 2018 3rd International Conference on Microwave and Photonics (ICMAP) (pp. 1–2). https://doi.org/10.1109/ICMAP.2018.8354473
  • Gonnuru, P., Shashi Kumar., & Kumar, A. S. (2018). Psinsar coherence based displacement analysis of Krishna delta using sentinel-1 interferometric wide swath data. In ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences (Vol. 4, pp. 273–278). https://doi.org/10.5194/isprs-annals-IV-5-273-2018
  • Grover, A., Shashi Kumar., & Kumar, A. (2018). Ship detection using sentinel-1 SAR data. In ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences (Vol. 4, pp. 317–324). https://doi.org/10.5194/isprs-annals-IV-5-317-2018
  • Shashwat, S., & Shashi Kumar, (2018a). Effect of polarization orientation angle compensation on airborne L - Band UAVSAR data for the Munich area, Germany. In Proceedings of the European Conference on Synthetic Aperture Radar, EUSAR (Vol. 2018–June, pp. 784–789). Retrieved from https://www.scopus.com/inward/record.uri?eid=2-s2.0-85050471169&partnerID=40&md5=eb9a6e3c10ae9c3dd1ec61f3bfba968e
  • Shashwat, S., & Shashi Kumar, (2018b). Hybrid polarimetric decomposition modelling of lunar surface for scattering characterization using miniature RADAR data. In Proceedings of the European Conference on Synthetic Aperture Radar, EUSAR (Vol. 2018–June, pp. 794–799). Retrieved from https://www.scopus.com/inward/record.uri?eid=2-s2.0-85050509379&partnerID=40&md5=8d81674aff88b7fc7a2c376228ae34f1
  • Shukla, S., Majumdar, S., Maiti, A., & Shashi Kumar. (2018). New insights into solar wind implanted volatiles for lunar regolith characterization: A simulation based approach. In ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences (Vol. 4, pp. 199–206). https://doi.org/10.5194/isprs-annals-IV-4-199-2018
  • Shukla, S. and Shashi Kumar. 2018. “Remote Compositional Pyroxene Estimates in the Reiner Gamma Formation Using Feature-Oriented Pca: New Insights Into Lunar Swirls.” Pp. 1624–27 in IGARSS 2018 - 2018 IEEE International Geoscience and Remote Sensing Symposium.
  • Singh, A., Meena, G. K., Shashi Kumar., & Gaurav, K. (2018). Analysis of the effect of incidence angle and moisture content on the penetration depth of L-and S-band SAR signals into the ground surface. In ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences (Vol. 4, pp. 197–202). https://doi.org/10.5194/isprs-annals-IV-5-197-2018
  • Tripathi, A., & Shashi Kumar. (2018). Effect of Phase Filtering on Interferometry based Displacement Analysis of Cultural Heritage Sites. In 2018 5th IEEE Uttar Pradesh Section International Conference on Electrical, Electronics and Computer Engineering, UPCON 2018. https://doi.org/10.1109/UPCON.2018.8597027
  • Tripathi, A., Shashi Kumar., & Maithani, S. (2018). Spaceborne bistatic polarimetrie SAR for scattering analysis and classification of man-made and natural features. In 2018 3rd International Conference on Microwave and Photonics (ICMAP) (pp. 1–2). https://doi.org/10.1109/ICMAP.2018.8354494
  • Tripathi, A., Maithani, S., & Shashi Kumar. (2018a). Minimization of the ambiguity of merging of urban builtup and fallow land features by generating “C2” covariance matrix using spaceborne bistatic dual Pol SAR data. In Proceedings of the 4th IEEE International Conference on Recent Advances in Information Technology, RAIT 2018 (pp. 1–4). https://doi.org/10.1109/RAIT.2018.8389058
  • Tripathi, A., Maithani, S., & Shashi Kumar. (2018b). X-band persistent SAR interferometry for surface subsidence detection in Rudrapur City, India. In Proceedings of SPIE - The International Society for Optical Engineering (Vol. 10793). https://doi.org/10.1117/12.2326267
  • Awasthi, Shubham, Shashi Kumar, P. K. Thakur, and Snehmani Mani “Snow Density Retrieval Using Hybrid Polarimetric Spaceborne SAR Data.” 38th Asian Conference on Remote Sensing - Space Applications: Touching Human Lives, ACRS 2017. Vol. 2017–Octob. N.p., 2017. Print.
  • Awasthi, S., Shashi Kumar, and P.K. Thakur. “Analysis of Polarization Orientation Angle Shift on High Resolution Spaceborne X-Band and C Band Sar Data.” 38th Asian Conference on Remote Sensing - Space Applications: Touching Human Lives, ACRS 2017. Vol. 2017–Octob. N.p., 2017. Print.
  • Awasthi, Shubham, Shashi Kumar, Praveen Kumar, and Snehmani. “Snow Depth Estimation with Co-Polar Phase Difference Using Multi-Temporal Spaceborne TerraSAR-X Data.” The 38th Asian Conference on Remote Sensing, ACRS 2017, Space Applications: Touching Human Lives. New Delhi: Asian Association on Remote Sensing (AARS), 2017. 1–5. Web.
  • Awasthi, Shubham, Shashi Kumar, and Praveen Kumar Thakur. “Evaluation of RISAT-1 FRS-2 Quad Pol Data to Be Fully Polarimetric Data.” The 38th Asian Conference on Remote Sensing, ACRS 2017, Space Applications: Touching Human Lives. New Delhi: Asian Association on Remote Sensing (AARS), 2017. 1–9. Web.
  • Kulshrestha, Anurag, Shashi Kumar, and Wietske Bijker. “Dark Spot Detection and Characterisation of Marine Surface Slicks Using PolSAR Remote Sensing.” The 38th Asian Conference on Remote Sensing, ACRS 2017, Space Applications: Touching Human Lives. New Delhi: Asian Association on Remote Sensing (AARS), 2017. 1–7. Web
  • Kumar, Akash, Shashi Kumar, and S K Srivastav. “Investigating the Scattering Mechanism in Low Calcium Pyroxene Zones over the Bullialdus Crater on Moon Using M3 and Mini-RF Data.” The 38th Asian Conference on Remote Sensing, ACRS 2017, Space Applications: Touching Human Lives. New Delhi: Asian Association on Remote Sensing (AARS), 2017. 1–10. Web
  • Shashi Kumar et al. “PolInSAR Based Modelling for Scattering Characterization and Forest Parameter Retrieval.” The 38th Asian Conference on Remote Sensing, ACRS 2017, Space Applications: Touching Human Lives. Vol. 119. New Delhi: Asian Association on Remote Sensing (AARS), 2017. 1–10. Web.
  • M. N. S., Ramya, and Shashi Kumar. “Comparison of PolInSAR and PolInSAR Coherence Based Land Use/Land Cover Classification.” The 38th Asian Conference on Remote Sensing, ACRS 2017, Space Applications: Touching Human Lives. New Delhi: Asian Association on Remote Sensing (AARS), 2017. 1–10. Web.
  • Shukla, S., Shashi Kumar, and S. Agrawal. “Mineral Mapping of FeO and TiO2 of the Cassini Crater Using Moon Mineralogy Mapper (M3) of Chandrayaan-1.” 38th Asian Conference on Remote Sensing - Space Applications: Touching Human Lives, ACRS 2017. Vol. 2017–Octob. N.p., 2017. Print.
  • Shukla, Shashwat, Shashi Kumar, and Shefali Agarwal. “Mineral Mapping of FeO and TiO2 of the Cassini Crater Using Moon Mineralogy Mapper (M3) of Chandrayaan – 1.” The 38th Asian Conference on Remote Sensing, ACRS 2017, Space Applications: Touching Human Lives. New Delhi: Asian Association on Remote Sensing (AARS), 2017. 1–10. Web.
  • Tripathi, Akshar, and Shashi Kumar. “SAR Interferometry Based Displacement Mapping of Cultural Heritage Sites.” The 38th Asian Conference on Remote Sensing, ACRS 2017, Space Applications: Touching Human Lives. Vol. 1. New Delhi: Asian Association on Remote Sensing (AARS), 2017. 1–6. Web.
  • Shashi Kumar, & Sushil K. Joshi (2017). SAR tomography for forest structure investigation. 2016 Asia-Pacific Microwave Conference (APMC). IEEE.
    https://doi.org/10.1109/APMC.2016.7931452.
  • Sushil K. Joshi ; Shashi Kumar ; Shefali Agrawal and Ho T. M. Dinh " PolInSAR tomography for vertical profile retrieval of forest vegetation using spaceborne SAR data ", Proc. SPIE 9877, Land Surface and Cryosphere Remote Sensing III, 987709 (May 11, 2016); doi:10.1117/12.2228068; http://dx.doi.org/10.1117/12.2228068
  • Shashi Kumar ; Hari P. Kattamuri and Shefali Agarwal " Dark spot detection for characterization of marine surface slicks using PolSAR remote sensing ", Proc. SPIE 9878, Remote Sensing of the Oceans and Inland Waters: Techniques, Applications, and Challenges, 98780K (May 7, 2016); doi:10.1117/12.2224415; http://dx.doi.org/10.1117/12.2224415
  • Shashi Kumar ; R. D. Garg and S. P. S. Kushwaha "Deorientation of PolSAR coherency matrix for volume scattering retrieval ", Proc. SPIE 9877, Land Surface and Cryosphere Remote Sensing III, 987705 (May 5, 2016); doi:10.1117/12.2223680; http://dx.doi.org/10.1117/12.2223680
  • Neeraj Agrawal ; Shashi Kumar and Valentyn Tolpekin " Polarimetric SAR interferometry-based decomposition modelling for reliable scattering retrieval ", Proc. SPIE 9877, Land Surface and Cryosphere Remote Sensing III, 987708 (May 5, 2016); doi:10.1117/12.2223977; http://dx.doi.org/10.1117/12.2223977
  • Kiledar S. Tomar ; Shashi Kumar ; Valentyn A. Tolpekin and Sushil K. Joshi " Semi-empirical modelling for forest above ground biomass estimation using hybrid and fully PolSAR data ", Proc. SPIE 9877, Land Surface and Cryosphere Remote Sensing III, 987729 (May 5, 2016); doi:10.1117/12.2223639; http://dx.doi.org/10.1117/12.2223639.
  • Rohit Mangla ; Shashi Kumar and Subrata Nandy " Random forest regression modelling for forest aboveground biomass estimation using RISAT-1 PolSAR and terrestrial LiDAR data ", Proc. SPIE 9879, Lidar Remote Sensing for Environmental Monitoring XV, 98790Q (May 5, 2016); doi:10.1117/12.2227380; http://dx.doi.org/10.1117/12.2227380.
  • Sushil K. Joshi ; Shashi Kumar and Shefali Agrawal " Performance of PolSAR back scatter and PolInSAR coherence for scattering characterization of forest vegetation using TerraSAR-X data ", Proc. SPIE 9877, Land Surface and Cryosphere Remote Sensing III, 987707 (May 5, 2016); doi:10.1117/12.2223898; http://dx.doi.org/10.1117/12.2223898.
  • Shashi Kumar ; Vivek Gupta ; Pratyusha Gonnuru and Sushil K. Joshi " PolSAR calibration and reconstruction of hybrid polarimetric RISAT-1 data for pseudo quad-pol decomposition: a comparison with quad-pol ", Proc. SPIE 9881, Earth Observing Missions and Sensors: Development, Implementation, and Characterization IV, 98812C (May 2, 2016); doi:10.1117/12.2225425; http://dx.doi.org/10.1117/12.2225425.
  • Asmita Gupta ; Shashi Kumar and Uttara Pandey " Effect of polarization orientation angle shift on X-band TDM SAR COSSC product of TerraSAR-X and TanDEM-X ", Proc. SPIE 9877, Land Surface and Cryosphere Remote Sensing III, 987726 (May 5, 2016); doi:10.1117/12.2223704; http://dx.doi.org/10.1117/12.2223704.
  • Ramya M. N. S. and Shashi Kumar " Feature extraction using multi-temporal fully polarimetric SAR data ", Proc. SPIE 9877, Land Surface and Cryosphere Remote Sensing III, 987718 (May 5, 2016); doi:10.1117/12.2227310; http://dx.doi.org/10.1117/12.2227310.
  • Richa Prajapati ; Shashi Kumar and Shefali Agrawal " Simulation of SAR backscatter for forest vegetation ", Proc. SPIE 9881, Earth Observing Missions and Sensors: Development, Implementation, and Characterization IV, 98811T (May 2, 2016); doi:10.1117/12.2224036; http://dx.doi.org/10.1117/12.2224036.
  • Ajith Kumar P. and Shashi Kumar " Estimation of lunar surface maturity and ferrous oxide from Moon Mineralogy Mapper (M3) data through data interpolation techniques ", Proc. SPIE 9880, Multispectral, Hyperspectral, and Ultraspectral Remote Sensing Technology, Techniques and Applications VI, 988018 (April 30, 2016); doi:10.1117/12.2228050; http://dx.doi.org/10.1117/12.2228050.
  • Sushil K. Joshi, Shashi Kumar “PolSAR Backscatter and PolInSAR Coherence based Analysis for Forest Tree Species” in International Conference on Microwaves, Antenna, Propagation & Remote Sensing, ICMARS, Jodhpur, 15th December 2015
  • Richa Prajapati, Shashi Kumar, Shefali Agarwal “Comparative Analysis of Incoherent Decomposition Models for scattering information retrieval”, in International Conference on Microwaves, Antenna, Propagation & Remote Sensing, ICMARS, Jodhpur, 15th December 2015
  • Asmita Gupta, Shashi Kumar and Sushil Joshi “Analysis of Polarization Orientation Angle Shift Effect On TerraSAR-X Data” in International Conference on Microwaves, Antenna, Propagation & Remote Sensing, ICMARS, Jodhpur, 15th December 2015
  • U. Khati, S. Kumar, S. Agrawal and J. Singh, “Forest height estimation using Space-borne PolInSAR dataset over Tropical forests of India” ESA POLinSAR 2015 - 1st BIOMASS Science Workshop at Frascati, Italy : 26-30 January 2015
  • J. Singh, S. Kumar and S.P.S. Kushwaha, “A Study on PolInSAR Coherence based Regression Analysis of Forest Biomass (Barkot Reserve Forest India), Using Radarsat-2 Datasets” ESA POLinSAR 2015 - 1st BIOMASS Science Workshop at Frascati, Italy : 26-30 January 2015
  • J. Singh, S. Kumar and S.P.S. Kushwaha, “POLINSAR Coherence-Based Regression Analysis of Forest Biomass Using RADARSAT-2 Datasets” Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XL-8, 631-635, doi:10.5194/isprsarchives-XL-8-631-2014, 2014
  • R. Mangla and S. Kumar, “DEM Construction using DInSAR” Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XL-8, 817-820, doi:10.5194/isprsarchives-XL-8-817-2014, 2014
  • R. Gurunadham and S. Kumar, “Extraction of aqueous minerals on Mars using CRISM based Targeted Reduced Data Records” Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XL-8, 431-436, doi:10.5194/isprsarchives-XL-8-431-2014, 2014
  • K. Tummala, A. K. Jha, and S. Kumar, “Study of the Effects of Target Geometry on Synthetic Aperture Radar Images using Simulation Studies” Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XL-8, 1227-1231, doi:10.5194/isprsarchives-XL-8-1227-2014, 2014
  • C.D. Richardson and S. Kumar, "Effects of Polarization Orientation Angle Shift Compensation in Total Modelled Power and Span of Coherency Matrix" in International Conference on Microwaves, Antenna, Propagation & Remote Sensing, ICMARS, Jodhpur, 11th December 2012.
  • C.D. Richardson and S. Kumar, "Polarimetric scattering model for multilayered vegetation in tropical forest," in International Conference on Microwaves, Antenna, Propagation & Remote Sensing, ICMARS, Jodhpur, 7th December 2011.
  • P.M. Balaji and S. Kumar, "Estimation and correction of tropospheric and ionospheric effects on Differential SAR Interferograms," in International Conference on Microwaves, Antenna, Propagation & Remote Sensing, ICMARS, Jodhpur, 7th December 2011.
National Conferences/Workshops
  • Sushil Kumar Joshi and Shashi Kumar, "Tree species wise backscatter analysis of plantation forest using fully polarimetric SAR data" National Symposium on Geomatics for Digital India & Annual Conventions of ISG & ISRS; 16-18 December 2015 Jaipur, India.
  • Richa Prajapati and Shashi Kumar, "Comparative study and analysis of incoherent decomposition models for scattering characterization in urban areas" National Symposium on Geomatics for Digital India & Annual Conventions of ISG & ISRS; 16-18 December 2015 Jaipur, India.
  • Shashi Kumar, Sai P. Bharadwaj, Rushanka P. Amrutkar , Kiledar S. Tomar, Neeraj Agrawal, Shefali Agarwal and S.P.S Kushwaha, " PolSAR and PolInSAR Remote Sensing for Forest Structural and Biophysical Parameter Retrieval" NASA-ISRO Synthetic Aperture Radar (NISAR) workshop at SAC on 19-20 November 2015
  • Rohit Mangla, Shashi Kumar, Subrata Nandy, Mukul Trivedi, Kamaljeet Singh, “Integration of SAR and LiDAR Remote Sensing using machine learning based regression model for forest aboveground biomass estimation" NASA-ISRO Synthetic Aperture Radar (NISAR) workshop at SAC on 19-20 November 2015
  • Kiledar S. Tomar, Shashi Kumar, Valentyn Tolpekin “Hybrid polarimetric decomposition for aboveground biomass estimation using semi-empirical modelling” NASA-ISRO Synthetic Aperture Radar (NISAR) workshop at SAC on 19-20 November 2015
  • Sushil K. Joshi, Shashi Kumar, Ho T. M. Dinh “Tomographic Processing of Fully Polarimetric Spaceborne SAR Data for Backscatter Power Retrieval at Different Heights of Forest Vegetation” " NASA-ISRO Synthetic Aperture Radar (NISAR) workshop at SAC on 19-20 November 2015
  • Anil Kumar, Saurabh Shanu, Poonam Kainthura, Shashi Kumar, Manish Prateek, “ Implementation of Evolutionary Computing Algorithm in PolSARpro SIM Tool " NASA-ISRO Synthetic Aperture Radar (NISAR) workshop at SAC on 19-20 November 2015
  • S. Kumar, S. Chandola, U. G Khati, S. Agarwal and S.P.S Kushwaha, "PolInSAR based Modeling for Forest Aboveground Biomass and Tree Height Retrieval" NASA-ISRO Synthetic Aperture Radar (NISAR) workshop at SAC on 17-18 November 2014
  • S. Kumar, "Hybrid polarimetric data analysis and decomposition modeling of Lunar Surface for scattering information retrieval at S-band wavelength using Chandrayan-1, Mini-SAR" Second Mini SAR workshop at SAC on 15th Sept 2011.
  • R. P. Amrutkar, S. Kumar, S. Singh, "Forest Tree Height Estimation Using POLInSAR Coherence-based Semi-empirical Modeling" in ISG National Symposium 2013, Visakhapatnam, December 2013. (Best Paper Award)
  • U. Khati, S. Kumar and P. Thakur "Effect of Shift in Polarization Orientation Angle on Multi-wavelength Fully Polarimetric Data" in International Conference on Microwaves, Antenna, Propagation & Remote Sensing, ICMARS, Jodhpur, December 2013. (Best Paper Award)
  • R. P. Amrutkar, S. Kumar, S.P.S. Kushuwaha, and G.D. Bhatt, "Forest Biophysical Parameter Retrieval Using PolSAR Technique" in International Conference on Microwaves, Antenna, Propagation & Remote Sensing, ICMARS, Jodhpur, 11th December 2012. (Best Paper Award)
  • V. Nandan, S. Kumar, and V. Tolpekin, "Retrieval of Volume Scattering information using three component decomposition model based on Compact Polarimetry," in International Conference on Microwaves, Antenna, Propagation & Remote Sensing, ICMARS, Jodhpur, 7th December 2011. (Best Poster Award)
Representation in Committee/Group
  • ISRO-DOS Project on Airborne L- and S- band Airborne SAR under NISAR Mission: 7 (ongoing) Projects on Oil spill detection, PolSAR calibration, Snow parameter retrieval, Drainage congestion, linear feature detection, PolSAR processing and Forest parameter retrieval.
    • Dark Spot Detection for Characterization of Marine Surface Slicks using PolSAR Remote Sensing.
      Duration-3 Years (Ongoing)
      Team: Dr. Shashi Kumar (Investigator)
    • Polarimetric SAR calibration of L- and S-band PolSAR data for scattering information retrieval of Manmade and Natural Features.
      Duration-3 Years (Completed)
      Team: Dr. Shashi Kumar (Investigator)
    • Snow physical parameter retrieval and glacier dynamics study using L and S- Band Air-SAR data and assimilation in snow/glacier models.
      Duration - 3 Years (Ongoing).
      Team: Dr. Praveen Kumar Thakur (Investigator), IIRS, Dehradun
      Dr. Shashi Kumar (Co-investigator), IIRS, Dehradun
    • Potential of dual frequency polarimetry SAR images to understand the effect of drainage congestion due to road network on the flood inundation in the Kosi fan.
      Duration - 3 Years (Ongoing)
      Team: Dr. Kumar Gaurav (Investigator), IISER, Bhopal
      Dr. Shashi Kumar (Co-investigator), IIRS, Dehradun
    • Utilization of dual frequency polarimetric SAR data for scattering based sub-surface geological and linear feature characterization.
      Duration - 3 Years (Ongoing)
      Team: Dr. Himanshu Govil (Investigator), NIT, Raipur
      Dr. Shashi Kumar (Co-investigator), IIRS, Dehradun
    • Implementation of Evolutionary Computing Algorithm for polarimetric SAR data processing and classification.
      Duration - 3 Years (Ongoing)
      Team: Mr. Anil Kumar (Investigator), UPES, Dehradun
      Dr. Shashi Kumar (Co-investigator), IIRS, Dehradun
    • Forest classification and biophysical parameter retrieval using multi-frequency PolSAR techniques.
      Duration - 3 Years (Ongoing)
      Team: Dr. Arjun Koppad (Investigator), College of Forestry, Sirsi
      Dr. Shashi Kumar (Co-investigator), IIRS, Dehradun
  • ISRO Technology Development Programme (TDP): 4 Projects on Forest parameter retrieval, PolSAR Tomography, Classification of Land use / Land cover, and PolSAR Calibration
    • Development of semi-empirical/numerical models for biophysical characterization of tropical forest using spaceborne PolSAR and PolInSAR techniques. (2011-2014).
      Team: Dr. Shashi Kumar (Investigator), IIRS, DehradunDr.
      Satya P.S. Kushwaha(Co-investigator), IIRS, Dehradun
    • PolInSAR Tomography for Forest Vegetation. (2014-2017).
      Team: Dr. Shashi Kumar (Investigator), IIRS, Dehradun
    • Polarimetric SAR Calibration of PolSAR Data. (2017-2020).
      Team: Dr. Shashi Kumar (Investigator), IIRS, Dehradun
      Ms. Shefali Agrawal (Co-investigator), IIRS, Dehradun
    • Integration of Optical and SAR data for Land use / Land cover classification. (2017-2020).
      Team: Dr. Sandeep Maithani (Investigator), IIRS, Dehradun
      Dr. Shashi Kumar (Co-investigator), IIRS, Dehradun
  • Government of India (GoI) and United States Agency for International Development (USAID) Forest-PLUS program: 1 project on development of SAR-based models.
    • USAID/India Forest-PLUS program on SAR Technical Protocol for Forest Monitoring. (2015-17).
      Team: Dr. Chandra Shekhar Jha, National Remote Sensing Centre (NRSC), ISRO, Hyderabad ; Dr. Chakrapani Patnaik, & Dr. Anup Kumar Das, Space Application Centre (SAC), ISRO, Ahmedabad; Dr. Shashi Kumar, Indian Institute of Remote Sensing (IIRS), ISRO, Dehradun ; Mr. Kamaljeet Singh, Dr. Sunil Chandra, & Mr. Abhay Kumar Saxena, Forest Survey of India (FSI), Dehradun; Dr. Uttara Pandey, IORA Ecological Solutions Pvt. Ltd., New Delhi; Dr. Paul Siqueira, University of Massachusetts, Amherst, United States.

M.Sc. Geoinformatics Research

  • Preethi Malur Balaji (2009-2011)
    Supervisors: Shashi Kumar and Mr. Gerrit Huurneman (ITC, The Netherlands)
    Research Title: Estimation and Correction of Tropospheric and Ionospheric Effects on Differential SAR Interferograms
    (http://www.itc.nl/library/papers_2011/msc/gfm/balaji.pdf)
    (https://www.iirs.gov.in/iirs/sites/default/files/StudentThesis/balaji_p_m.sc_thesis.pdf)
  • Charles D Richardson Chelladurai (2009-2011)
    Supervisors: Shashi Kumar and Dr. Yousif Hussin (ITC, The Netherlands)
    Research Title: Polarimetric Scattering Model for Multilayered Vegetation in Tropical Forest
    (http://www.itc.nl/library/papers_2011/msc/gfm/richardson.pdf)
    (https://www.iirs.gov.in/iirs/sites/default/files/StudentThesis/charles_d_msc.pdf)
  • Vishnu Nandan (2010-2012)
    Supervisors: Shashi Kumar and Dr. Valentyn Tolpekin (ITC, The Netherlands)
    Research Title: Retrieval of Volume Scatterer Information using Three Component Decomposition Model Based on Compact Polarimetry
    (http://www.itc.nl/library/papers_2012/msc/gfm/nandan.pdf)
    (http://www.iirs.gov.in/iirs/sites/default/files/StudentThesis/Nandan_Vishnu_28113_Thesis.pdf)
  • Ruchi Verma (2010-2012)
    Supervisors: Shashi Kumar, Mr. P.L.N. Raju (IIRS, Dehradun) and Dr. Valentyn Tolpekin (ITC, The Netherlands)
    Research Title: Polarimetric Decomposition Based on General Characterisation of Scattering from Urban Areas and Multiple Component Scattering Model (http://www.itc.nl/library/papers_2012/msc/gfm/verma.pdf)
    (http://www.iirs.gov.in/iirs/sites/default/files/StudentThesis/Verma_Ruchi_28154_Thesis.pdf)
  • Abhishek Banerjee (2010-2012)
    Supervisors: Shashi Kumar, Prof. Dr. S.P.S. Kushwaha (IIRS, Dehradun), Prof. Dr. Alfred Stein and Dr. Wietske Bijker (ITC, The Netherlands)
    Research Title: Tea Bush Biomass Assessment through Polarimetric Decomposition and Semi-empirical Modeling
    (http://www.iirs.gov.in/iirs/sites/default/files/StudentThesis/Banerjee_Abhishek_28155_thesis.pdf)
  • Bala Bhavya Kausika (2011-2013)
    Supervisors: Shashi Kumar and Dr. Valentyn Tolpekin (ITC, The Netherlands)
    Research Title: Polarimetric Modeling of Lunar Surface for Scattering Information Retrieval at S-band wavelength using Chandrayan-1, Mini-SAR
    (http://www.itc.nl/library/papers_2013/msc/gfm/kausika.pdf)
    (http://www.iirs.gov.in/iirs/sites/default/files/StudentThesis/M.Sc_.Thesis_Bhavya%20Kausika.pdf)
  • P Sai Bharadwaj (2011-2013)
    Supervisors: Shashi Kumar, Prof. Dr. S.P.S. Kushwaha (IIRS, Dehradun) and Dr. Wietske Bijker (ITC, The Netherlands)
    Research Title: Polarimetric Scattering Model for Biophysical Characterization of Multilayered Vegetation using Spaceborne PolSAR Data
    (http://www.itc.nl/library/papers_2013/msc/gfm/poolla.pdf)
    (http://www.iirs.gov.in/iirs/sites/default/files/StudentThesis/MSC_THESIS_SAI_BHARADWAJ_POOLLA_30005.pdf)
  • Shreya Chandola (2012-2014)
    Supervisors: Shashi Kumar (IIRS, Dehradun) and Dr. Valentyn Tolpekin (ITC, The Netherlands)
    Research Title: Polarimetric SAR Interferometry for Forest Aboveground Biomass Estimation
    (http://www.itc.nl/library/papers_2014/msc/gfm/chandola.pdf)
  • Abhishek Sobbana (2012-2014) Supervisors: Shashi Kumar (IIRS, Dehradun) and and Prof. Dr. S.P.S. Kushwaha (IIRS, Dehradun) and Dr. Wietske Bijker (ITC, The Netherlands)
    Research Title: Non reflection symmetry based polarimetric modeling for forest biophysical characterization using spaceborne PolSAR data
    https://ezproxy.utwente.nl:2315/library/2014/msc/gfm/sobbana.pdf
  • Kiledar Singh Tomar (2013-2015)
    Supervisors: Shashi Kumar (IIRS, Dehradun) and Dr. Valentyn Tolpekin (ITC, The Netherlands)
    Research Title: Hybrid Polarimetric Decomposition for Aboveground Biomass Estimation using Semi-Empirical Modelling
    (http://www.iirs.gov.in/iirs/sites/default/files/StudentThesis/Kiledar_MSc_Thesis_13-15.pdf)
  • Neeraj Agrawal (2013-2015)
    Supervisors: Shashi Kumar (IIRS, Dehradun) and Dr. Valentyn Tolpekin (ITC, The Netherlands)
    Research Title: PolInSAR based scattering information retrieval for forest aboveground biomass estimation
    https://ezproxy.utwente.nl:2315/library/2015/msc/gfm/agrawal.pdf
  • Amit Haldar (2014-2016)
    Supervisors: Shashi Kumar Mr. S. Raghavendra (IIRS, Dehradun) and Dr. George Vosselman (ITC, The Netherlands)
    Research Title: Terrestrial laser scanning based modelling for forest structural parameter retrieval
    https://ezproxy.utwente.nl:2315/library/2016/msc/gfm/haldar.pdf
  • Gautam Solanki (2014-2016)
    Supervisors: Shashi Kumar (IIRS, Dehradun) and Dr. Valentyn Tolpekin (ITC, The Netherlands)
    Research Title: Polarimetric SAR interferometry based inversion modelling for tree height estimation https://ezproxy.utwente.nl:2315/library/2016/msc/gfm/solanki.pdf

Supervision of M.Tech Research

  • Rushanka Pramod Amrutkar (2011-2013)
    Course: M.Tech in “Remote Sensing and GIS” under CSSTEAP at IIRS Dehradun
    Supervisors: Shashi Kumar and Dr. Sarnam Singh
    Research Title: Extraction of Forest Biophysical Parameters using PolInSAR based Semi-empirical Modeling
  • Unmesh Govind Khati (2012-2014)
    Course: M.Tech in “Remote Sensing and GIS”
    Supervisors: Shashi Kumar and Ms. Shefali Agarwal
    Research Title: PolInSAR based Scattering Information and Physical Property Retrieval of Natural Features
    http://www.iirs.gov.in/iirs/sites/default/files/StudentThesis/Unmesh_Khati_mtech_2012-14.pdf
  • Kimeera Tummala (2012-2014)
    Course: M.Tech in “Remote Sensing and GIS”
    Supervisors: Mr. Ashutosh Kumar Jha and Shashi Kumar
    Research Title: Extraction of Forest Biophysical Parameters using PolInSAR based Semi-empirical Modeling
    http://www.iirs.gov.in/iirs/sites/default/files/StudentThesis/kimeera_mtech_2012-14.pdf
  • Jenia Singh (2013-2015)
    Course: M.Tech in “Remote Sensing and GIS”
    Supervisors: Shashi Kumar and Mr. S. Raghavendra
    Research Title: PolinSAR and TLS data modeling for forest biophysical parameter characterization
    http://www.iirs.gov.in/iirs/sites/default/files/StudentThesis/JENIA_MTech_2013-15.pdf
  • Rohit Mangla (2013-2015)
    Course: M.Tech in “Remote Sensing and GIS”
    Supervisors: Shashi Kumar and Mr. S. Raghavendra
    Research Title: Machine learning based Regression model for forest Aboveground Biomass Estimation using RISAT-1 POLSAR and TLS Lidar Data
    http://www.iirs.gov.in/iirs/sites/default/files/StudentThesis/Rohit_Mangla_MTech_2013-15.pdf