Peer-reviewed journals
P. D. Roy, S. Dey, N. Bhogapurapu, S. Chakraborty, "Retrieval of Surface Soil Moisture at Field Scale Using Sentinel-1 SAR Data" in Sensors, vol. 25, no. 10, pp. 3065, 2025. DOI: https://doi.org/10.3390/s25103065
A. Verma, A. Bhattacharya, S. Dey, C. Lopez-Martinez, P. Gamba, “Scattering Power Components From Dual-Pol Sentinel-1 SLC and GRD SAR Data,” ISPRS Journal of Photogrammetry and Remote Sensing, 212, pp. 289-305, 2024 DOI: https://doi.org/10.1016/j.isprsjprs.2024.05.010
P. Patidar, D. Gawai, S. Chakraborty, and S. Dey. “Prediction of sea-surface salinity using MODIS and Sentinel-3 data”, Remote Sensing Letters, 15(4), 373–383. DOI: https://doi.org/10.1080/2150704X.2024.2329525
S. Dey, N. Bhogapurapu, I. Hajnsek, A. Bhattacharya and P. Siqueira, “Soil permittivity estimation over vegetative fields using dual polarimetric SAR data,” Remote Sensing Applications: Society and Environment, 101130, 2023, DOI: https://doi.org/10.1016/j.rsase.2023.101130
S. Dey, A. Marino and A. Bhattacharya, “Target Characterization Using the Polarimetric Scattering Trace Correlation,” in IEEE Geoscience and Remote Sensing Letters, vol. 21, pp.1-5, 2024, Art no. 4000305, DOI: https://doi.org/10.1109/LGRS.2023.3334734
A. Paul, S. Dey, A. Marino, G. D. Bhowmick and A. Bhattacharya, "Clustering of Marine Oil-Spill Extent Using Sentinel-1 Dual-Polarimetric Scattering Spectrum," in IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, vol. 16, pp. 8923-8932, 2023, DOI: https://doi.org/10.1109/JSTARS.2023.3314899
V. Lavanya, A. Nayak, P. Deb Roy, S. Dasgupta, S. Dey, B. Li, D. C. Weindorf and S. Chakraborty, “A Smartphone-Enabled Imaging Device for Chromotropic Acid-Based Measurement of Nitrate in Soil Samples” in Sensors, vol. 23, no. 17, pp. 7345, 2021. DOI: https://doi.org/10.3390/s23177345
A. Verma, A. Bhattacharya, S. Dey, C. López-Martínez, P. Gamba, “Built-up Area Mapping Using Sentinel-1 SAR Data,” ISPRS Journal of Photogrammetry and Remote Sensing, 203, pp. 55-70, 2023. DOI: https://doi.org/10.1016/j.isprsjprs.2023.07.019
V. Lavanya, A. Nayak, S. Dasgupta, S. Urkude, S. Dey, A. Biswas, B. Li, D. C. Weindorf, S. Chakraborty, “A smartphone-integrated imaging device for measuring nitrate and phosphate in soil and water samples”, Microchemical Journal, 193: 109042, 2023, DOI: https://doi.org/10.1016/j.microc.2023.109042
N. Bhogapurapu, S. Dey, A. Bhattacharya, C. López-Martínez, I. Hajnsek and Y. S. Rao, “Soil Permittivity Estimation Over Croplands Using Full and Compact Polarimetric SAR Data”, IEEE Transactions on Geoscience and Remote Sensing, vol. 60, pp. 1-17, 2022. Art no. 4415917, DOI: https://doi.org/10.1109/TGRS.2022.3224280
A. Bhattacharya, S. Dey, A. C. Frery and J. J. Gil, “Dual views of the generalized degree of purity,” JOSA A, vol. 39, pp. 2339-2342, 12(2022). DOI: https://doi.org/10.1364/ JOSAA.476423
S. Dey, N. Romero-Puig and A. Bhattacharya, “Polarimetric Scattering Spectrum Analysis for Target Characterization,” IEEE Geoscience and Remote Sensing Letters, vol. 19, pp. 1-5, 2022, Art No. 4027005. DOI: https://doi.org/10.1109/LGRS.2022.3206466.
N. Bhogapurapu, S. Dey, S. Homayouni, A. Bhattacharya and Y. S. Rao “Field-scale soil moisture estimation using sentinel-1 GRD SAR data” in Advances in Space Research, 2022. DOI: https://doi.org/10.1016/j.asr.2022.03.019
N. Bhogapurapu, S. Dey, D. Mandal, A. Bhattacharya, L. Karthikeyan, H. McNairn, Y. S. Rao, "Soil moisture retrieval over croplands using dual-pol L-band GRD SAR data" in Remote Sensing of Environment, vol. 271, pp. 112900, 2022, DOI: https://doi.org/10.1016/j.rse.2022.112900
S. S. Ghosh, S. Dey, N. Bhogapurapu, S. Homayouni, A. Bhattacharya, H. McNairn, "Gaussian Process Regression Model for Crop Biophysical Parameter Retrieval from Multi-Polarized C-Band SAR Data" in Remote Sensing, vol. 14, no. 4, pp. 934, 2022, DOI: https://doi.org/10.3390/rs14040934
A. Bhattacharya, S. Dey, A. C. Frery, "Scattering Purity and Complexity in Radar Polarimetry'' in IEEE Transactions on Geoscience and Remote Sensing, 2022, DOI: https://doi.org/10.1109/TGRS.2022.3141790
S. Dey, N. Bhogapurapu, S. Homayouni, A. Bhattacharya and H. McNairn. "Unsupervised Classification of Crop Growth Stages with Scattering Parameters from Dual-Pol Sentinel-1 SAR Data" in Remote Sensing, vol. 13, no. 21, pp. 4412, 2021, DOI: https://doi.org/10.3390/rs13214412
U. Chaudhuri, S. Dey, M. Datcu, B. Banerjee, A. Bhattacharya, "Inter-band Retrieval and Classification Using the Multi-labeled Sentinel-2 BigEarthNet Archive," in IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2021, DOI: https://doi.org/10.1109/JSTARS.2021.3112209.
S. Dey, U. Chaudhuri, D. Mandal, A. Bhattacharya, B. Banerjee, H. McNairn, "BiophyNet: A Regression Network for Joint Estimation of Crop Biophysical Parameters from SAR Data,'' IEEE Geoscience and Remote Sensing Letters, vol. 18, issue. 10, pp. 1701-1705, 2021. DOI: https://doi.org/10.1109/LGRS.2020.3008757
S. Dey, U. Chaudhuri, N.R. Bhogapurapu, J.M. Lopez-Sanchez, B. Banerjee, A. Bhattacharya, D. Mandal and Y.S. Rao, "Synergistic Use of TanDEM-X and Landsat-8 Data for Crop-type Classification and Monitoring," IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, vol. 14, pp. 8744-8760, 2021. DOI: https://doi.org/10.1109/JSTARS.2021.3103911
N. Bhogapurapu, S. Dey, A. Bhattacharya, D. Mandal, J. M. Lopez-Sanchez, H. McNairn, C. López-Martínez, Y. S. Rao, "Dual-polarimetric descriptors from Sentinel-1 GRD SAR data for crop growth assessment,'' ISPRS Journal of Photogrammetry and Remote Sensing, 178, pp. 20-35, 2021. DOI: https://doi.org/10.1016/j.isprsjprs.2021.05.013
N. Bhogapurapu, S. Dey, D. Mandal, A. Bhattacharya, and Y. S. Rao, "PolSAR tools: A QGIS plugin for generating SAR descriptors,'' Journal of Open Source Software, 6(60), 2970, 2021, DOI: https://doi.org/10.21105/joss.02970
S. Dey, N. Bhogapurapu, A. Bhattacharya, D. Mandal, J. M. Lopez-Sanchez, H. McNairn, A. C. Frery, “Rice Phenology Mapping Using Novel Target Characterization Parameters from Polarimetric SAR Data,” International Journal of Remote Sensing, 42 (14), pp. 5519-5543, 2021, DOI: https://doi.org/10.1080/01431161.2021.1921876
S. Dey, A. Bhattacharya, A. C. Frery, C. López-Martínez and Y. S. Rao, "A Model-free Four Component Scattering Power Decomposition for Polarimetric SAR Data," in IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, vol. 14, pp. 3887-3902, 2021, DOI: https://doi.org/10.1109/JSTARS.2021.3069299
S. Dey, A. Bhattachary, D. Ratha, D. Mandal, H. McNairn, J. M. Lopez-Sanchez, & Y. S. Rao(2020). "Novel clustering schemes for full and compact polarimetric SAR data: An application for rice phenology characterization", ISPRS Journal of Photogrammetry and Remote Sensing, 169, 135-151, DOI: https://doi.org/10.1016/j.isprsjprs.2020.09.010
S. Dey, A. Bhattacharya, D. Ratha, D. Mandal, A. C. Frery, "Target Characterization and Scattering Power Decomposition for Full and Compact Polarimetric SAR Data'', IEEE Transactions on Geoscience and Remote Sensing, vol. 59, no. 5, pp. 3981-3998, May 2021. DOI: https://doi.org/10.1109/TGRS.2020.3010840
S. Dey, S. Pratiher, S. Banerjee, & C. K. Mukherjee, "Solarisnet: A deep regression network for solar radiation prediction," in Mausam, Vol 71 (3), 2020, 443-450.
D. Mandal, V. Kumar, D. Ratha, S. Dey, A. Bhattacharya, J. M. Lopez-Sanchez, H. McNairn, Y. S. Rao, “Dual Polarimetric Radar Vegetation Index for Crop Growth Monitoring Using Sentinel-1 SAR Data,” in Remote Sensing of Environment, 247: 111954, 2020, DOI: https://doi.org/10.1016/j.rse.2020.111954.
S. Dey, D. Mandal, L. Dingle Robertson, B. Banerjee, V. Kumar, H. McNairn, A. Bhattacharya, Y.S. Rao, "In-Season Crop Classification Using Elements of the Kennaugh Matrix Derived from Polarimetric RADARSAT-2 SAR Data," International Journal of Applied Earth Observations and Geoinformation, Vol 88, 2020, 102059. DOI: https://doi.org/10.1016/j.jag.2020.102059
Preprints
Dey, S., & Hajnsek, I. (2024). Target Characteristics on Rotation in Euclidean Space Using Full Polarimetric SAR Data. arXiv preprint arXiv:2406.16060.
Bhattacharya, A., Dey, S., Frery, A. C. "Dual Approaches to Express the Generalized Degree of Polarimetric Purity", DOI: https://doi.org/10.48550/arXiv.2202.10225
Dey, S. "Report on Tracking of Light Beam for Total Internal Reflection in Isosceles Prism.", DOI: 10.13140/RG.2.2.14914.53441
International / National Conference
P. Patidar, D. Efremenko, S. dey, 2024. "Selective Filtering for Enhancing Chlorophyll Retrieval Accuracy from Sentinel-3 Data Using Neural Network Models'', IEEE International Geoscience and Remote Sensing Symposium-IGARSS 2024 (Accepted)
A. Verma, A. Bhattacharya, S. dey, C. López-Martínez, P. Gamba, 2024. "Rice Crop Monitoring Using Dual-pol Sentinel-1 SLC and GRD Scattering Power Components'', IEEE International Geoscience and Remote Sensing Symposium-IGARSS 2024 (Accepted)
A. Verma, A. Bhattacharya, S. dey, A. Marino, 2024. "Enhanced Target Characterization with Dual-pol Sentinel-1 SAR Data'', IEEE International Geoscience and Remote Sensing Symposium-IGARSS 2024 (Accepted)
A. Verma, A. Bhattacharya, S. Dey, C. L ́opez-Mart ́ınez and P. Gamba, “Radar Surface Scattering Index from Dual-pol Sentinel-1 SLC and GRD SAR Data”, 2024 International Conference on Machine Intelligence for GeoAnalytics and Remote Sensing (MIGARS), Wellington, New Zealand, 2024, pp. 1-4
V. Lavanya, S. Dey and S. Chakraborty, “Evaluation of Different Color Space Models for Estimation of Nitrate and Phosphate in Soil and Water Using a Smartphone-integrated Imaging Device”, 2024 IEEE Mediterranean and Middle-East Geoscience and Remote Sensing Symposium (M2GARSS), Oran, Algeria, 2024, pp. 482-486 (1st Place in Best Oral Presentation)
A. Verma, A. Bhattacharya and S. Dey, “Dual-pol SLC and GRD Scattering Power Components for Land Cover Characterization”, 2024 IEEE Mediterranean and Middle-East Geoscience and Remote Sensing Symposium (M2GARSS), Oran, Algeria, 2024, pp. 545-548
A. Verma, A. Bhattacharya and S. Dey, "Scattering Power Components from Dual-Pol SLC and GRD SAR Data", APSAR 2023: 8th Asia-Pacific Conference on Synthetic Aperture Radar (APSAR), Bali, Indonesia, 2023, pp. 1-4
A. Bhattacharya, A. Verma, S. Dey, and A. C. Frery, "Exploring Diverse Polarimetric Information Contents from SAR Data", APSAR 2023: 8th Asia-Pacific Conference on Synthetic Aperture Radar (APSAR), Bali, Indonesia, 2023, pp. 1-4
D. Gawai, S. Dey, A. Bhattacharya, "A Novel Method for Land Cover Classification Using Full-Polarimetric Scattering Spectrum-based SAR Signatures," IEEE India Geoscience and Remote Sensing Symposium (InGARSS), Bangalore, India, 2023, pp. 1-4
P. Deb Roy, S. Dey, N. Bhogapurapu, S. Chakraborty, "Estimation of Surface Soil Moisture Using Modified Oh Model and Dual-Polarimetric Sentinel-1 SAR Data," IEEE India Geoscience and Remote Sensing Symposium (InGARSS), Bangalore, India, 2023, pp. 1-4
S. Dey, N. Romero-Puig, A. Bhattacharya, A. Marino, 2023. "Target description using the full-polarimetric scattering spectrum", IEEE International Geoscience and Remote Sensing Symposium, Pasadena, CA, USA, 2023, pp. 1457-1460
H. Maurya, A. Bhattacharya, R. K. Panigrahi, S. Dey, 2023. “Eigenvalue-eigenvector based hybrid decomposition of polarimetric SAR data”, IEEE International Geoscience and Remote Sensing Symposium-IGARSS 2023
A. Paul, S. Dey, G. D. Bhowmick, A. Bhattacharya, 2023. "A novel technique to characterize the scattering phenomenon from raft and its detection", IEEE International Geoscience and Remote Sensing Symposium, Pasadena, CA, USA, 2023, pp. 4116-4119
N. Bhogapurapu, S. Dey, A. Bhattacharya, U. Khati, Y. S. Rao, 2023. “Global Sentinel-1 GRD descriptors over various forest types”, IEEE International Geoscience and Remote Sensing Symposium-IGARSS 2023
A. Bhattacharya, A. Verma, S. Dey, 2023, June. Coherent Target Characterization in Radar Polarimetry. In POLINSAR 2023, Workshop on Applications of SAR Polarimetry and Polarimetric Interferometry, ESA-ESRIN
S. Dey, A. Richardson, A. Bhattacharya, 2023, June. Burned Area Mapping Using Scattering Spectrum Information from Full Polarimetric ALOS-2 SAR Data. In POLINSAR 2023, Workshop on Applications of SAR Polarimetry and Polarimetric Interferometry, ESA-ESRIN
S. Dey, N. Bhogapurapu, A. Bhattacharya, 2022. “Ground and Volume Scattering Separation in Compact Polarimentric Interferometric SAR Data”, pp. 1-4, 2022 URSI Regional Conference on Radio Science (USRI-RCRS)
S. Dey, A. Bhattacharya, 2022. “Revisiting the Dual Polarization Alpha Using the Deschamps Parameter”, pp. 72-75, IEEE International Geoscience and Remote Sensing Symposium-IGARSS 2022
A. Bhattacharya, S. Dey, A. C. Frery, 2022. “The Essence of Scattering Purity and Complexity in Radar Polarimetry”, pp. 5353-5356, IEEE International Geoscience and Remote Sensing Symposium-IGARSS 2022
N. Bhogapurapu, S. Dey, A. Bhattacharya, C. López-Martínez, I. Hajnsek, Y. S. Rao, 2022. “Soil permittivity estimation over croplands using PolSAR data”, pp. 8000-8003, IEEE International Geoscience and Remote Sensing Symposium-IGARSS 2022 (1st Place in best student paper award)
A. Verma, S. Dey, C. López-Martínez, A. Bhattacharya, P. Gamba, 2022. “Dual-Pol Radar Built-Up Area Index for Urban Area Mapping Using Sentinel-1 SAR Data”, pp. 5282-5285, IEEE International Geoscience and Remote Sensing Symposium-IGARSS 2022
S. Dey, C. López-Martínez, A. Bhattacharya, A. C. Frery, “A PolSAR Clustering Scheme Using the Model-free Scattering Power Components”, EUSAR 2022
N. Bhogapurapu, S. Dey, S. Homayouni, A. Bhattacharya and Y. S. Rao, “Scattering Parameters from Sentinel-1 SAR Data for crop growth assessment”, pp. 58-61, IEEE Mediterranean and Middle-East Geoscience and Remote Sensing Symposium (M2GARSS), 2022
S. S. Ghosh, S. Dey, N. Bhogapurapu, S. Homayouni, A. Bhattacharya and H. McNairn, “Crop biophysical parameter retrieval using Gaussian process regression from C-band polarimetric SAR data”, pp. 181-184, IEEE Mediterranean and Middle-East Geoscience and Remote Sensing Symposium (M2GARSS), 2022
A. Verma, S. Dey and A. Bhattacharya, “Land Cover Classification Using Dual-Polarimetric SAR Data”, pp. 54-57, IEEE Mediterranean and Middle-East Geoscience and Remote Sensing Symposium (M2GARSS), 2022
S. Dey, N. Bhogapurapu, A. Verma, S. Homayouni, C. López-Martínez, and A. Bhattacharya, “Simultaneous evaluation of the target scattering-type parameter and scattering power components from polarimetric SAR images,” pp. 537-540, IEEE India Geoscience and Remote Sensing Symposium (InGARSS), Ahmedabad, India, 2021
A. Verma, S. Dey, N. Bhogapurapu, C. López-Martínezez, and A. Bhattacharya, “Dual polarimetric SAR signature for human-made target characterization,” pp. 520-523, IEEE India Geoscience and Remote Sensing Symposium (InGARSS), Ahmedabad, India, 2021
N. Bhogapurapu, S. Dey, A. Verma, A. Bhattacharya, C. López-Martínezez, P. Pankajakshan, and Y. S. Rao, “Crop growth assessment using Sentinel-1 GRD SAR descriptors,” pp. 545-548, IEEE India Geoscience and Remote Sensing Symposium (InGARSS), Ahmedabad, India, 2021
S. Dey, N. Bhogapurapu, A. Bhattacharya, D. Mandal, H. McNairn and Y. S. Rao 2021 “Novel Clustering Technique for Monitoring Crop Phenology”, APSAR 2021: The 7th Asia-Pacific Conference on Synthetic Aperture Radar.
N. Bhogapurapu, S. Dey, A. Bhattacharya, and Y. S. Rao 2021 “Soil Moisture Estimation Using Simulated NISAR Dual Polarimetric GRD Product over Croplands”, APSAR 2021: The 7th Asia-Pacific Conference on Synthetic Aperture Radar.
S. Dey, N. Bhogapurapu, A. Bhattacharya, A. C. Frery, P. Gamba, 2021. “Built-up Area Mapping Using Full and Dual Polarimetric SAR Data”, pp. 1693-1696, IEEE International Geoscience and Remote Sensing Symposium-IGARSS 2021
S. Dey, A. Bhattacharya, A. C. Frery, C. Lopez-Martınez, 2021. “Target Scattering Characterization in SAR Polarimetry Using Model-free Approaches”, IEEE International Geoscience and Remote Sensing Symposium-IGARSS 2021
N. Bhogapurapu, S. Dey, D. Mandal, A. Bhattacharya, Y. S. Rao, 2021. “Monitoring Wheat Crop Growth Using a New Vegetation Index from Sentinel-1 GRD SAR Data”, IEEE International Geoscience and Remote Sensing Symposium-IGARSS 2021
A. Verma, S. Dey, N. Bhogapurapu, D. Mandal, D. Haldar, A. Bhattacharya, 2021. “Polarimetric SAR Signature for Crop Characterization”, IEEE International Geoscience and Remote Sensing Symposium-IGARSS 2021
S. Dey, D. Ratha, D. Mandal, A. Bhattacharya, A. C. Frery, "A Non-Model Based Three Component Scattering Power Decomposition for Full Polarimetric SAR Data, "IEEE International Geoscience and Remote Sensing Symposium (IGARSS), 2020, Waikoloa, Hawaii, USA. (Student Paper Competition Finalists).
D. Mandal, N. Rao Bhogapurapu, V. Kumar, S. Dey, D. Ratha, A. Bhattacharya, J. M. Lopez-Sanchez, H. McNairn, Y. S. Rao, "Vegetation Monitoring Using a New Dual-Pol Radar Vegetation Index: A Preliminary Study with Simulated NASA-ISRO SAR (NISAR) L-Band Data," IEEE International Geoscience and Remote Sensing Symposium (IGARSS), 2020, Waikoloa, Hawaii, USA.
D. Ratha, D. Mandal, S. Dey, A. Bhattacharya, A. C. Frery, Y. S. Rao, H. McNairn, “New Vegetation Indices For Full And Compact Polarimetric Sar Data: In Preparation For The Radarsat Constellation Mission (RCM),” in 2020 IEEE Latin American GRSS &ISPRS Remote Sensing Conference (LAGIRS), Santiago, Chile, 2020, pp. 465-470.
D. Mandal, A. Bhattacharya, V. Kumar, D. Ratha, S. Dey, H. McNairn and A. C. Frery, and Y. S. Rao, “A Novel Radar Vegetation Index for Compact Polarimetric SAR data,” IEEE International Geoscience and Remote Sensing Symposium-IGARSS 2019, Yokohama, Japan.
S. Dey, D. Mandal, V. Kumar, B. Banerjee, J. M. Lopez Sanchez, H. McNairn, A. Bhattacharya, “Crop Phenology Classification Using a Representational Learning Network from Sentinel-1 SAR Data,” IEEE International Geoscience and Remote Sensing Symposium (IGARSS), 2019, Yokohama, Japan.
S. Dey, V. Kumar, and Y. S. Rao, “Time Series Analysis of Quad-Pol RADARSAT-2 and Sentinel-2 Data for Different Crops,” National Symposium, Indian Society of Remote Sensing and Indian Society of Geomatics ISRS2019, Meghalaya, India, 2019.
Dey, S., Pratiher, S., Mukherjee, C. K., Banerjee, S., & Chakraborty, A. (2018, May). Augmented logarithmic Gaussian process regression methodology for chlorophyll prediction. In Optics, Photonics, and Digital Technologies for Imaging Applications V (Vol. 10679, p. 106791E). International Society for Optics and Photonics.
Pratiher, S., Mukhopadhyay, S., Barman, R., Pratiher, S., Dey, S., Banerjee, S., & Panigrahi, P. K. (2016, December). Recurrence quantification & ARIMA based forecasting of rainfall-temperature dynamics. In 2016 International Conference on Signal Processing and Communication (ICSC) (pp. 490-495). IEEE.
Mukhopadhyay, S., Mandal, S., Das, N. K., Dey, S., Mitra, A., Ghosh, N., & Panigrahi, P. K. (2015). Diagnosing Heterogeneous Dynamics for CT Scan Images of Human Brain in Wavelet and MFDFA domain. In Advances in Optical Science and Engineering (pp. 335-340). Springer, New Delhi.
Mukhopadhyay, S., Barman, R., Dey, S., Mitra, A., Panigrahi, P. K., Bhattacharya, P., & Dhar, K. K. (2015, February). Diagnosing Heterogeneous Dynamics for wind particle trajectory in wavelet domain. In Proceedings of the 2015 Third International Conference on Computer, Communication, Control and Information Technology (C3IT) (pp. 1-3). IEEE.
Book chapters
S. Dey, L. Mascolo, A. Bhattacharya, J.M. Lopez-Sanchez, “Polarimetric SAR Descriptors for Rice Monitoring”, in Spaceborne Synthetic Aperture Radar Remote Sensing: Techniques and Applications (1st ed.), CRC Press, 2023, DOI:https://doi.org/10.1201/9781003204466