Journal(s)
Retrieval of Surface Soil Moisture at Field Scale Using Sentinel-1 SAR Data,
By P. D. Roy, S. Dey, N. Bhogapurapu, and S. Chakraborty ,
MDPI,
Sensors,
vol.,
pp.,
2025
Soil Organic Carbon Mapping Using Multi-Frequency SAR Data and Machine Learning Algorithms,
By P. K. Bellam, M. K. Gumma, N. Bhogapurapu, and V. R. Keesara,
MDPI,
Land,
vol.11,
pp.2105,
2025
An Evidence Modified Gaussian Process Classifier (EM-GPC) for Crop Classification Using Dual-Polarimetric C- and L- Band SAR Data,
By S. S. Ghosh, D. Mandal, S. Kumar, N. Bhogapurapu, B. Banerjee, P. Siqueira and A. Bhattacharya ,
IEEE,
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing,
vol.,
pp.,
2024
A new InSAR temporal decorrelation model for seasonal vegetation change with dense time-series data,
By N. Bhogapurapu, P. Siqueira and J. Armston,
IEEE,
IEEE Geoscience and Remote Sensing Letters,
vol.,
pp.,
2024
Soil permittivity estimation over vegetative fields using dual polarimetric SAR data,
By S. Dey, N. Bhogapurapu, I. Hajnsek, A. Bhattacharya, and P. Siqueira,
Elsevier,
Remote Sensing Applications: Society and Environment,
vol.,
pp.,
2024
Soil Moisture Retrieval Over Croplands Using dual-pol L-band GRD SAR Data,
By N. Bhogapurapu, S. Dey, D. Mandal, A. Bhattacharya, L. Karthikeyan, H. McNairn and Y. S. Rao,
Elsevier,
Remote Sensing of Environment,
vol.271,
pp.112900,
2022
Soil Permittivity Estimation Over Croplands Using Full and Compact Polarimetric SAR Data,
By N. Bhogapurapu, S. Dey, A. Bhattacharya, C. L´opez-Mart´ınez, I. Hajnsek, and Y. S. Rao,
IEEE,
IEEE Transactions on Geoscience and Remote Sensing,
vol.,
pp.,
2022
Field-Scale Soil Moisture Estimation Using Sentinel-1 GRD SAR Data,
By N. Bhogapurapu, S. Dey, S. Homayouni, A. Bhattacharya, and Y. S. Rao,
Elsevier,
Advances in Space Research,
vol.,
pp.,
2022
Gaussian process regression model for crop biophysical parameter retrieval from multi-polarized C-band SAR data,
By S. S. Ghosh, S. Dey, N. Bhogapurapu, S. Homayouni, A. Bhattacharya, and H. McNairn,
MDPI,
Remote sensing,
vol.,
pp.,
2022
Unsupervised Classification of Crop Growth Stages with Scattering Parameters from Dual-Pol Sentinel-1 SAR Data,
By S. Dey, N. Bhogapurapu, S. Homayouni, A. Bhattacharya, and H. McNairn,
MDPI,
Remote Sensing,
vol.,
pp.,
2021
Rice Phenology Mapping Using Novel Target Characterization Parameters from Polarimetric SAR Data,
By S. Dey, N. Bhogapurapu, A. Bhattacharya, D. Mandal, J. Lopez-Sanchez, H. McNairn, and A. C. Frery,
TF,
International Journal of Remote Sensing,
vol.,
pp.,
2021
Dual-polarimetric descriptors from Sentinel-1 GRD SAR data for crop growth assessment,
By N. Bhogapurapu, S. Dey, A. Bhattacharya, D. Mandal, J. Lopez-Sanchez, H. McNairn, C. L´opez-Mart´ınez and Y. S. Rao,
Elsevier,
ISPRS Journal of Photogrammetry and Remote Sensing,
vol.178,
pp.20-35,
2021
Synergistic Use of TanDEM-X and Landsat-8 Data for Crop-type Classification and Monitoring,
By S. Dey, U. Chaudhuri, N. Bhogapurapu, J. Lopez-Sanchez, B. Banerjee, A. Bhattacharya, D. Mandal, and Y. S. Rao,
IEEE,
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing,
vol.,
pp.,
2021
PolSAR tools: A QGIS plugin for generating SAR descriptors,
By N. Bhogapurapu, S. Dey, D. Mandal, A. Bhattacharya and Y. S. Rao,
JOSS,
Journal of Open Source Software,
vol.,
pp.,
2021
Conference(s)
Use of NISAR data for studying ecosystems - early results
By Paul Siqueira, Bruce Chapmanb, Josef Kellndorferc, Kyle McDonald, Sassan Saatchi, Alexandra Christensen, KC Cush-
man, Brandi Downs, Jessica Martinez, Naiara Pinto, Erika Podest, Naveen Ramachandran, Leandra Sethares, Nicholas
Steiner, and N. Bhogapurapu,
EUSAR,
2026
Modeling seasonal InSAR coherence over deciduous forest with dense time-series data
By N. Bhogapurapu, P. Siqueira, and J. Armston ,
IEEE International Geoscience and Remote Sensing Symposium (IGARSS),
2025
Above Ground Biomass mapping over the North American boreal region using ALOS-2/PALSAR-2 ScanSAR data
By N. Bhogapurapu, P. Siqueira, and L. Bourgeau-Chavez,
IEEE International Geoscience and Remote Sensing Symposium (IGARSS),
2025
Permittivity estimation of lunar regolith using hybrid- polarimetric SAR data
By N. Bhogapurapu, Avik Bhattacharya and Y. S. Rao,
IEEE India Geoscience and Remote Sensing Symposium (InGARSS),
2025
Canopy height estima- tion using C- and L-band InSAR coherence over savannas and dry forests
By N. Bhogapurapu, P. Siqueira, J. Armston, M. Urbazaev, K. Wessels, and L. Duncanson ,
IEEE International Geoscience and Remote Sensing Symposium (IGARSS),
2024
Enhancing crop type classification from multi-frequency dual-pol SAR data by probabilistic fusion of Gaussian processes
By S. S. Ghosh, D. Mandal, S. Kumar, N. Bhogapurapu, B. Banerjee, P. Siqueira, and Avik Bhattacharya,
IEEE International Geoscience and Remote Sensing Symposium (IGARSS),
2024
Soil organic carbon mapping using Sentinel-1 and ALOS-2 SAR data
By P. K. Bellam, M. K. Gumma, N. Bhogapurapu, and V. R. Keesara,
IEEE India Geoscience and Remote Sensing Symposium (InGARSS),
2024
Phenology- based crop classification from multi-frequency dual-pol sar data utilizing gaussian processes
By S. S. Ghosh, D. Mandal, S. Kumar, N. Bhogapurapu, P. Siqueira, B. Banerjee and A. Bhattacharya,
8th Asia-Pacific Conference on Synthetic Aperture Radar (APSAR),
2023
Sentinel-1 data sensitivity for soil moisture estimation and its application for in-season monitoring of small land holding farmer plots
By D. Murugan, N. Bhogapurapu, J. Roy, A. Bhattacharya, and P. Pankajakshan ,
IEEE International Geoscience and Remote Sensing Symposium (IGARSS),
2023
Enhancing Plant Area Index Retrieval Using Gaussian Process Regression from Dual-Polarimetric SAR Data
By S. S. Ghosh, N. Bhogapurapu, A. Bhattacharya, and S. Homayouni,
Machine Intelligence for GeoAnalytics and Remote Sensing (MIGARS),
2023
Estimation of Surface Soil Moisture Using Modified Oh Model and Dual-Polarimetric Sentinel-1 SAR Data
By Partha Deb Roy, S. Dey, N. Bhogapurapu, Somsubhra Chakrabort,
IEEE India Geoscience and Remote Sensing Symposium (InGARSS),
2023
Soil permittivity estimation over croplands using PolSAR data
By N. Bhogapurapu, S. Dey, A. Bhattacharya, C. L´opez-Mart´ınez, I. Hajnsek, and Y. S. Rao ,
IEEE International Geoscience and Remote Sensing Symposium (IGARSS),
2022
Scattering Parameters from Sentinel-1 SAR Data for crop growth assessment
By N. Bhogapurapu, S. Dey, Saeid Homayouni, A. Bhattacharya, and Y. S. Rao,
IEEE Mediterranean and Middle-East Geoscience and Remote Sensing Symposium (M2GARSS),
2022
Crop biophysical parameter retrieval using Gaussian process regression from C-band polarimetric SAR data
By S. S. Ghosh, S. Dey, N. Bhogapurapu, S. Homayouni, A. Bhattacharya, and H. McNairn,
IEEE Mediterranean and Middle-East Geoscience and Remote Sensing Symposium (M2GARSS),
2022
Ground and Volume Scattering Separation in Compact Po- larimetric Interferometric SAR Data
By S. Dey, N. Bhogapurapu, and A. Bhattacharya ,
URSI Regional Conference on Radio Science (URSI-RCRS),
2022
Crop growth assessment using Sentinel-1 GRD SAR descriptors
By N. Bhogapurapu, S. Dey, A. Verma, A. Bhattacharya, C. L´opez-Mart´ınez and P. Pankajakshan,
IEEE India Geoscience and Remote Sensing Symposium (In- GARSS),
2021
Dual polarimetric SAR signature for human-made target characterization
By A. Verma, S. Dey, N. Bhogapurapu, C. L´opez-Mart´ınez, and A. Bhattacharya,
IEEE India Geoscience and Remote Sensing Symposium (InGARSS),
2021
Soil Moisture Estimation Using Simulated NISAR Dual Polarimetric GRD Product over Croplands
By N. Bhogapurapu, S. Dey, A. Bhattacharya, and Y. S. Rao,
7th Asia-Pacific Conference on Synthetic Aperture Radar (APSAR),
2021
Novel Clustering Technique for Monitoring Crop Phenology Using SAR Data
By S. Dey, N. Bhogapurapu, A. Bhattacharya, D. Mandal, H. McNairn and Y. S. Rao,
7th Asia-Pacific Conference on Synthetic Aperture Radar (APSAR),
2021
Chandrayaan-2 Dual Frequency Synthetic Aperture Radar (DFSAR) Full and Compact Polarimetric Data Analysis for the Lunar Surface
By N. Bhogapurapu, A. Bhattacharya, and Y. S. Rao,
7th Asia-Pacific Conference on Synthetic Aperture Radar (APSAR),
2021
Monitoring wheat crop growth using a new vegetation index from Sentinel-1 GRD SAR data
By N. Bhogapurapu, S. Dey, D. Mandal, A. Bhattacharya, and Y. S. Rao,
IEEE International Geoscience and Remote Sensing Symposium (IGARSS),
2021
Built-up area mapping using full and dual polarimetric SAR data
By S. Dey, N. Bhogapurapu, A. Bhattacharya, Alejandro C. Frery, and Paolo Gamba,
IEEE International Geoscience and Remote Sensing Symposium (IGARSS),
2021
Polarimetric SAR Signature for Crop Characterization
By A. Verma, S. Dey, N. Bhogapurapu, D. Mandal, D. Haldar, A. Bhattacharya,
IEEE International Geoscience and Remote Sensing Symposium (IGARSS),
2021
Simultaneous evaluation of the target scattering-type parameter and scattering power components from polarimetric SAR images
By S. Dey, N. Bhogapurapu, A. Verma, S. Homayouni, C. L´opez-Mart´ınez, and A. Bhattacharya ,
IEEE India Geoscience and Remote Sensing Symposium (InGARSS),
2021
Soil moisture estimation for wheat crop using dual-pol L-band SAR data
By N. Bhogapurapu, D. Mandal, Y. S. Rao and A. Bhattacharya,
IEEE India Geoscience and Remote Sensing Symposium (InGARSS),
2020
Vegetation monitoring using a new dual-pol radar vegetation index: A preliminary study with simulated NASA-ISRO SAR (NISAR) L-band data
By D. Mandal, N. R. Bhogapurapu, V. Kumar, S. Dey, D. Ratha, A. Bhattacharya, J. M. Lopez-Sanchez, H. McNairn,
Y. S. Rao,
IEEE International Geoscience and Remote Sensing Symposium (IGARSS),
2020
Soil Moisture retrieval using SAR derived vegetation descriptors in water could model
By N. Bhogapurapu, D. Mandal, Y. S. Rao and A. Bhattacharya,
IEEE International Geoscience and Remote Sensing Symposium (IGARSS),
2020
Book Chapter(s)
Study of Subsurface Roughness Impact on GPR Performance Using Modelling and Simulation
By N. R. Bhogapurapu, Pandey, D.K., Reddy, K.V. and Putrevu, D. in
Applications of Geomatics in Civil Engineering ,
Springer,
-,
2020