Search Results - "Putrevu, Deepak"

Iceberg detection and tracking using two-level feature extraction methodology on Antarctica Ocean by Krishnan, Rajakumar, Thangavelu, Arunkumar, Panneer, Prabhavathy, Devulapalli, Sudheer, Misra, Arundhati, Putrevu, Deepak

“…This paper aims to develop an automatic feature extraction system for detecting icebergs in Antarctica. Extracting suitable features to discriminate an iceberg…”
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Estimation of lunar surface roughness using Chandrayaan-2 full-polarimetric DFSAR data by Kochar, Inderkumar, Chakraborty, Tathagata, Bhiravarasu, Sriram Saran, Das, Anup, Putrevu, Deepak, Panigrahi, Rajib Kumar

“…Polarimetric radar backscattering coefficients depend on the impinging frequency, dielectric constant, incidence angle, polarization, and surface roughness…”
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A comparative study on the efficacy of dual-pol and full-pol ASAR data in radiative transfer modeling for forest above-ground biomass estimation by Sainuddin, Faseela V., Chirakkal, Sanid, Asok, Smitha V., Putrevu, Deepak

“…In this study, a comprehensive evaluation of the potential of dual-polarization and full-polarization L- and S-band airborne SAR (LS-ASAR) data (ISRO's…”
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On the reachability and genesis of water ice on the Moon by Chakraborty, Tathagata, Syed, Tajdarul Hassan, Heggy, Essam, Putrevu, Deepak, Dutta, Upama

“…Understanding the reachability of water ice by future in-situ experiments near the lunar poles is crucial for supporting growing exploration plans and…”
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Dielectric Constant Estimation of Lunar Surface Using Mini-RF and Chandrayaan-2 SAR Data by Kumar, Ajeet, Kochar, Inderkumar Madanmohan, Pandey, Dharmendra Kumar, Das, Anup, Putrevu, Deepak, Kumar, Raj, Panigrahi, Rajib Kumar

“…A new dielectric constant estimation approach for the lunar surface using Mini-RF synthetic aperture radar (SAR) data and Chandrayaan-2 SAR data is presented…”
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Edge-Preserving classification of polarimetric SAR images using Wishart distribution and conditional random field by Chaudhari, Nilam, Mitra, Suman K., Mandal, Srimanta, Chirakkal, Sanid, Putrevu, Deepak, Misra, Arundhati

“…Classification of polarimetric SAR images into different ground covers has important applications in fields such as land mapping, agriculture monitoring, and…”
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Development of Soil Moisture Inversion Model for Bare Soil Using Navigation With Indian Constellation (NavIC) by Shekhar, Sushant, Prakash, Rishi, Pandey, Dharmendra Kumar, Vidyarthi, Anurag, Tyagi, Shivani, Putrevu, Deepak, Misra, Arundhati

“…This letter aims to develop an inversion model to estimate soil moisture using Navigation with Indian Constellation (NavIC) L-band signal. Several research…”
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Polarimetric characterization of Chandrayaan-3 landing site near lunar south pole using high resolution Chandrayaan-2 DFSAR data by Chakraborty, Tathagata, Pandey, Dharmendra Kr, Mehra, Raghav, Parasher, Parikshit, Putrevu, Deepak, Ramanujam, V.M., Desai, Nilesh M.

“…The Chandrayaan-3 (CH3) Vikram lander presents an unique opportunity to study the radar scattering behavior of the landing site as well as human-made dihedral…”
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Evaluation of multifrequency SAR data for estimating tropical above-ground biomass by employing radiative transfer modeling by Sainuddin, Faseela V., Chirakkal, Sanid, Asok, Smitha V., Das, Anup Kumar, Putrevu, Deepak

“…The retrieval of the biophysical parameters and subsequent estimation of the above-ground biomass (AGB) of vegetation stands are made possible by the…”
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Multipath phase based vegetation correction scheme for improved field-scale soil moisture retrieval over agricultural cropland using GNSS-IR technique by Shekhar, Sushant, Prakash, Rishi, Kumar Pandey, Dharmendra, Vidyarthi, Anurag, Srivastava, Prashant K., Putrevu, Deepak, Desai, Nilesh M.

“…Global Navigation Satellite Systems-Interferometric Reflectometry (GNSS-IR) is an emerging remote sensing technique studied and demonstrated for soil moisture…”
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Modelling above ground biomass of Indian mangrove forest using dual-pol SAR data by Vaghela, Bhumika, Chirakkal, Sanid, Putrevu, Deepak, Solanki, Hitesh

“…Usage of remote sensing technology has increased for estimation of Above Ground Biomass (AGB) due to accessibility issues within the forests. Current study is…”
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Retrieval of Lunar Surface Dielectric Constant Using Chandrayaan-2 Full-Polarimetric SAR Data by Inderkumar, Kochar, Maurya, Himanshu, Kumar, Ajeet, Bhiravarasu, Sriram S., Das, Anup, Putrevu, Deepak, Pandey, Dharmendra Kumar, Panigrahi, Rajib Kumar

“…For more than four decades, it has been known that the dielectric constant of the lunar surface can be retrieved from the Fresnel reflection coefficients…”
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Chandrayaan-2 dual-frequency SAR: Further investigation into lunar water and regolith by Putrevu, Deepak, Das, Anup, Vachhani, J.G., Trivedi, Sanjay, Misra, Tapan

“…The Space Applications Centre (SAC), one of the major centers of the Indian Space Research Organization (ISRO), is developing a high resolution, dual-frequency…”
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L- and S-band Polarimetric Synthetic Aperture Radar on Chandrayaan-2 mission by Putrevu, Deepak, Trivedi, Sanjay, Das, Anup, Pandey, Dharmendra, Mehrotra, Priyanka, Garg, S. K., Reddy, Venkata, Gangele, Shalini, Patel, Himanshu, Sharma, Devendra, Sijwali, R., Pandya, Nikhil, Shukla, Amit, Seth, Gaurav, Ramanujam, V. M., Kumar, Raj

“…Dual-frequency Synthetic Aperture Radar (SAR) operating in L- and S-band frequencies is one of the primary payloads of the Chandrayaan-2 orbiter. This payload…”
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Web-based remote sensing image retrieval using multiscale and multidirectional analysis based on Contourlet and Haralick texture features by Krishnan, Rajakumar, Thangavelu, Arunkumar, Prabhavathy, P, Sudheer, Devulapalli, Putrevu, Deepak, Misra, Arundhati

“…PurposeExtracting suitable features to represent an image based on its content is a very tedious task. Especially in remote sensing we have high-resolution…”
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Lunar Impact Craters: New Perspectives From Full‐Polarimetric Analysis of Chandrayaan‐2 Dual‐Frequency SAR Data by Putrevu, Deepak, Chakraborty, Tathagata, Mukhopadhyay, Jayanta, Syed, Tajdarul Hassan, Bhiravarasu, Sriram S., Das, Anup, Pandey, Dharmendra Kr, Misra, Arundhati

“…With the availability of the full‐polarimetry data from Chandrayaan‐2 Dual‐frequency Synthetic Aperture Radar (DFSAR) for the first time, the lunar impact…”
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Chandrayaan-2 Dual-frequency Synthetic Aperture Radar (DFSAR): Performance Characterization and Initial Results by Bhiravarasu, Sriram S., Chakraborty, Tathagata, Putrevu, Deepak, Pandey, Dharmendra K., Das, Anup K., Ramanujam, V. M., Mehra, Raghav, Parasher, Parikshit, Agrawal, Krishna M., Gupta, Shubham, Seth, Gaurav S., Shukla, Amit, Pandya, Nikhil Y., Trivedi, Sanjay, Misra, Arundhati, Jyoti, Rajeev, Kumar, Raj

“…Abstract The Dual-Frequency synthetic aperture radar (DFSAR) system manifested on the Chandrayaan-2 spacecraft represents a significant step forward in radar…”
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ANALYSIS OF PERFORMANCE OF FLAT EARTH PHASE REMOVAL METHODS by Desai, K., Joshi, P., Chirakkal, S., Putrevu, D., Ghosh, R.

“…Interferometric synthetic aperture radar (InSAR) has been widely used in remote sensing field, which can reflect actual topographic trend or possible surface…”
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CHANGE DETECTION OF POLARIMETRIC SAR DATA FOR MONITORING OF AGRICULTURAL AREAS by Varia, N., Davawala, N., Chirakkal, S., Haldar, D., Ghosh, R., Putrevu, D.

“…Change detection is important to understand the patterns of transition in multi-temporal SAR acquisitions over same geographical areas. In this work, we…”
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Characterization of Permafrost Active Layer using Polarimetric SAR and Ground Data over North-Western Indian Himalaya by Chakraborty, Tathagata, Pandey, Dharmendra Kr, Singh, Sushil K, Phartiyal, Binita, Putrevu, Deepak

“…The dynamics of the Thawing Front (TF), as the transition zone between unfrozen and frozen soil within permafrost active layer, and Permafrost Table (PT) have…”
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