Piyush Shanker Agram

According to our database, Piyush Shanker Agram authored at least 26 papers between 2007 and 2023.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2023

Radiometric Terrain Flattening of Geocoded Stacks of SAR Imagery.

Piyush S. Agram, Michael S. Warren, Scott A. Arko, Matthew T. Calef

Remote. Sens., April, 2023

2022

On Closure Phase and Systematic Bias in Multilooked SAR Interferometry.

Yujie Zheng, Heresh Fattahi, Piyush S. Agram, Mark Simons, Paul A. Rosen

IEEE Trans. Geosci. Remote. Sens., 2022

Range Geolocation Accuracy of C-/L-Band SAR and its Implications for Operational Stack Coregistration.

Zhang Yunjun, Heresh Fattahi, Xiaoqing Pi, Paul A. Rosen, Mark Simons, Piyush S. Agram, Yosuke Aoki

IEEE Trans. Geosci. Remote. Sens., 2022

An Efficient Global Scale Sentinel-1 Radar Backscatter and Interferometric Processing System.

Piyush S. Agram, Michael S. Warren, Matthew T. Calef, Scott A. Arko

Remote. Sens., 2022

2021

Autonomous Repeat Image Feature Tracking (autoRIFT) and Its Application for Tracking Ice Displacement.

Yang Lei, Alex Gardner, Piyush Shanker Agram

Remote. Sens., 2021

2020

An Efficient Area-Based Algorithm for SAR Radiometric Terrain Correction and Map Projection.

Gustavo H. X. Shiroma, Piyush Shanker Agram, Heresh Fattahi, Marco Lavalle, Ryan Burns, Sean Buckley

Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2020

A Fast Dense Feature Tracking Routine with its Application in Cryosphere Remote Sensing Using Sentinel-1 and Landsat-8 Data.

Yang Lei, Alex Gardner, Piyush Shanker Agram

Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2020

2019

Ionospheric Correction of InSAR Time Series Analysis of C-band Sentinel-1 TOPS Data.

Cunren Liang, Piyush Shanker Agram, Mark Simons, Eric J. Fielding

IEEE Trans. Geosci. Remote. Sens., 2019

Processing and Performance Analysis of NASA-ISRO SAR (NISAR) Staggered Data.

Muriel Pinheiro, Pau Prats, Michelangelo Villano, Marc Rodriguez-Cassola, Paul A. Rosen, Brian Hawkins, Piyush Shanker Agram

Proceedings of the 2019 IEEE International Geoscience and Remote Sensing Symposium, 2019

2018

L-Band Temporal Coherence Assessment and Modeling Using Amplitude and Snow Depth over Interior Alaska.

Yusuf Eshqi Molan, Jin-Woo Kim, Zhong Lu, Piyush Shanker Agram

Remote. Sens., 2018

The InSAR Scientific Computing Environment 3.0: A Flexible Framework for NISAR Operational and User-Led Science Processing.

Paul A. Rosen, Eric M. Gurrola, Piyush Shanker Agram, Joshua Cohen, Marco Lavalle, Bryan V. Riel, Heresh Fattahi, Michael A. G. Aivazis, Mark Simons, Sean M. Buckley

Proceedings of the 2018 IEEE International Geoscience and Remote Sensing Symposium, 2018

2017

Geodetic Imaging of Time-Dependent Three-Component Surface Deformation: Application to Tidal-Timescale Ice Flow of Rutford Ice Stream, West Antarctica.

Pietro Milillo, Brent Minchew, Mark Simons, Piyush Shanker Agram, Bryan V. Riel

IEEE Trans. Geosci. Remote. Sens., 2017

InSAR Time-Series Estimation of the Ionospheric Phase Delay: An Extension of the Split Range-Spectrum Technique.

Heresh Fattahi, Mark Simons, Piyush Shanker Agram

IEEE Trans. Geosci. Remote. Sens., 2017

A Network-Based Enhanced Spectral Diversity Approach for TOPS Time-Series Analysis.

Heresh Fattahi, Piyush Shanker Agram, Mark Simons

IEEE Trans. Geosci. Remote. Sens., 2017

Modeling ionospheric phase noise for NISAR mission data.

Franz J. Meyer, Piyush S. Agram

Proceedings of the 2017 IEEE International Geoscience and Remote Sensing Symposium, 2017

Leveraging GPUs for handling large SAR data volumes for the NISAR mission.

Joshua Cohen, Piyush Shanker Agram, Sean Buckley, Paul Rosen, Eric Gurrola

Proceedings of the 2017 IEEE International Geoscience and Remote Sensing Symposium, 2017

2016

Comparison of Small Baseline Interferometric SAR Processors for Estimating Ground Deformation.

Wenyu Gong, Antje Thiele, Stefan Hinz, Franz J. Meyer, Andrew Hooper, Piyush S. Agram

Remote. Sens., 2016

3D velocity field time series using synthetic aperture radar: application to tidal-timescale ice-flow variability in Rutford Ice Stream, West Antarctica.

Pietro Milillo, Brent Minchew, Piyush Shanker Agram, Bryan V. Riel, Mark Simons

Proceedings of the SAR Image Analysis, 2016

Recent rapid disaster response products derived from COSMO-Skymed synthetic aperture radar data.

Sang-Ho Yun, Susan Owen, Frank Webb, Hook Hua, Pietro Milillo, Eric J. Fielding, Mark Simons, Piyush Shanker Agram, Cunren Liang, Angelyn W. Moore, Patrizia Sacco, Eric Gurrola, Gerald Manipon, Paul Rosen, Paul Lundgren, Alessandro Coletta

Proceedings of the 2016 IEEE International Geoscience and Remote Sensing Symposium, 2016

Plant: Polarimetric-interferometric Lab and Analysis Tools for ecosystem and land-cover science and applications.

Marco Lavalle, Gustavo H. X. Shiroma, Piyush Shanker Agram, Eric Gurrola, Gian Franco Sacco, Paul Rosen

Proceedings of the 2016 IEEE International Geoscience and Remote Sensing Symposium, 2016

2014

Estimation and Compensation of Phase Shifts in SAR Focusing of Spotlight Data Acquired With Discrete Antenna Steering.

Virginia Zamparelli, Piyush S. Agram, Gianfranco Fornaro

IEEE Geosci. Remote. Sens. Lett., 2014

Focusing of COSMO/SkyMed spotlight data with discrete antenna steering.

Virginia Zamparelli, Piyush S. Agram, Gianfranco Fornaro

Proceedings of the 2014 IEEE Geoscience and Remote Sensing Symposium, 2014

2011

Comparison of Persistent Scatterers and Small Baseline Time-Series InSAR Results: A Case Study of the San Francisco Bay Area.

Piyush Shanker, Francesco Casu, Howard A. Zebker, Riccardo Lanari

IEEE Geosci. Remote. Sens. Lett., 2011

2010

Geodetically Accurate InSAR Data Processor.

Howard A. Zebker, Scott Hensley, Piyush Shanker, Cody Wortham

IEEE Trans. Geosci. Remote. Sens., 2010

2009

Sparse Two-Dimensional Phase Unwrapping Using Regular-Grid Methods.

Piyush Shanker Agram, Howard A. Zebker

IEEE Geosci. Remote. Sens. Lett., 2009

2007

Off-line signature verification using DTW.

Piyush Shanker Agram, A. N. Rajagopalan

Pattern Recognit. Lett., 2007