D. Helder

D. Helder, S. Schiller, R. Malo, 1998, IGARSS '98. Sensing and Managing the Environment. 1998 IEEE International Geoscience and Remote Sensing. Symposium Proceedings. (Cat. No.98CH36174).

Characterization of Landsat Thematic Mapper radiometry and geometry for land cover analysis

J. Vogelmann, J. Merchant, D. Helder, 1998, IGARSS '98. Sensing and Managing the Environment. 1998 IEEE International Geoscience and Remote Sensing. Symposium Proceedings. (Cat. No.98CH36174).

A Lifetime Radiometric Calibration Record for the Landsat Thematic Mapper

John R. Schott, Brian L. Markham, John L. Barker, 2001 .

Initial Cross-Calibration of Landsat 8 and Landsat 9 Using the Simultaneous Underfly Event

D. Helder, L. Leigh, Garrison Gross, 2022, Remote. Sens..

Landsat-7 Enhanced Thematic Mapper Plus In-Flight Radiometric Calibration

Brian L. Markham, John L. Barker, Ed Kaita, 1996, IGARSS '96. 1996 International Geoscience and Remote Sensing Symposium.

Current status of Landsat program, science, and applications

Zhe Zhu, Richard G. Allen, John R. Schott, 2019, Remote Sensing of Environment.

Vicarious Methodologies to Assess and Improve the Quality of the Optical Remote Sensing Images: A Critical Review

Larry Leigh, Dennis L. Helder, Sakib Kabir, 2020, Remote. Sens..

Landsat-5 TM and Landsat-7 ETM+ absolute radiometric calibration using the reflectance-based method

Dennis L. Helder, Kurtis J. Thome, James D. Dewald, 2004, IEEE Transactions on Geoscience and Remote Sensing.

Landsat-5 TM reflective-band absolute radiometric calibration

Gyanesh Chander, Brian L. Markham, Ed Kaita, 2004, IEEE Transactions on Geoscience and Remote Sensing.

Landsat-7 ETM+ radiometric calibration status

John R. Schott, Brian L. Markham, Simon J. Hook, 2016, Optical Engineering + Applications.

Observations and Recommendations for the Calibration of Landsat 8 OLI and Sentinel 2 MSI for Improved Data Interoperability

David P. Roy, Adam Lewis, Brian L. Markham, 2018, Remote. Sens..

IKONOS Spatial Resolution and Image Interpretability Characterization

Robert A. Schowengerdt, Taeyoung Choi, Dennis L. Helder, 2003 .

Landsat-8 Operational Land Imager Radiometric Calibration and Stability

Lawrence Ong, Brian L. Markham, Dennis L. Helder, 2014, Remote. Sens..

Design of Ethanol Based Fuels for Aviation

D. Helder, T. Aulich, James Behnken, 2000 .

Applications of Spectral Band Adjustment Factors (SBAF) for Cross-Calibration

Amit Angal, Xiaoxiong Xiong, David R. Doelling, 2013, IEEE Transactions on Geoscience and Remote Sensing.

Landsat thematic mapper reflective-band radiometric artifacts

Dennis L. Helder, Timothy A. Ruggles, D. Helder, 2004, IEEE Transactions on Geoscience and Remote Sensing.

Radiometric calibration status of Landsat-7 and Landsat-5

Gyanesh Chander, Brian L. Markham, Dennis L. Helder, 2007, SPIE Remote Sensing.

In-flight validation and recovery of water surface temperature with Landsat-5 thermal infrared data using an automated high-altitude lake validation site at Lake Tahoe

Gyanesh Chander, Brian L. Markham, Simon J. Hook, 2004, IEEE Transactions on Geoscience and Remote Sensing.

Landsat-7 ETM+ on-orbit reflective-band radiometric stability and absolute calibration

Brian L. Markham, John L. Barker, Ed Kaita, 2004, IEEE Transactions on Geoscience and Remote Sensing.

Landsat-4/5 Band 6 relative radiometry

Gyanesh Chander, Dennis L. Helder, Wayne C. Boncyk, 2002, IEEE Trans. Geosci. Remote. Sens..

Classification of North Africa for Use as an Extended Pseudo Invariant Calibration Sites (EPICS) for Radiometric Calibration and Stability Monitoring of Optical Satellite Sensors

Larry Leigh, Dennis L. Helder, Mahesh Shrestha, 2019, Remote. Sens..

Assessment of Spectral, Misregistration, and Spatial Uncertainties Inherent in the Cross-Calibration Study

Gyanesh Chander, Dennis L. Helder, David Aaron, 2013, IEEE Transactions on Geoscience and Remote Sensing.

Calibrating Geosynchronous and Polar Orbiting Satellites: Sharing Best Practices

David R. Doelling, Taeyoung Choi, Dennis L. Helder, 2020, Remote. Sens..

Comparison of MTF measurements using edge method: towards reference data set.

Françoise Viallefont-Robinet, Dennis Helder, Amy B. Newbury, 2018, Optics express.

Absolute Radiometric Calibration of Landsat Using a Pseudo Invariant Calibration Site

Xiaoxiong Xiong, Amit Angal, Gyanesh Chander, 2013, IEEE Transactions on Geoscience and Remote Sensing.

GENERIC SENSOR MODELING FOR MODULATION TRANSFER FUNCTION (MTF) ESTIMATION

Dennis L. Helder, Taeyoung Choi, D. Helder, 2005 .

Landsat TM memory effect characterization and correction

D. Helder, R. Morfitt, D. Helder, 1997 .

The Terra Vega Active Light Source: A First Step in a New Approach to Perform Nighttime Absolute Radiometric Calibrations and Early Results Calibrating the VIIRS DNB

Changyong Cao, Larry Leigh, Dennis L. Helder, 2019, Remote. Sens..

Nasa's Black Marble Product Suite: Validation Strategy

Dennis L. Helder, Zhuosen Wang, Robert E. Ryan, 2018, IGARSS 2018 - 2018 IEEE International Geoscience and Remote Sensing Symposium.

Methods for Earth-Observing Satellite Surface Reflectance Validation

Larry Leigh, Dennis L. Helder, Xin Jing, 2019, Remote. Sens..

First in-Flight Radiometric Calibration of MUX and WFI on-Board CBERS-4

Larry Leigh, Dennis L. Helder, David Aaron, 2016, Remote. Sens..

Recent surface reflectance measurement campaigns with emphasis on best practices, SI traceability and uncertainty estimation

Larry Leigh, Dennis L. Helder, Nathan Leisso, 2012 .

The Ground-Based Absolute Radiometric Calibration of Landsat 8 OLI

Larry Leigh, Dennis L. Helder, Joel McCorkel, 2015, Remote. Sens..

Landsat 4 Thematic Mapper Calibration Update

Brian L. Markham, Dennis L. Helder, Esad Micijevic, 2012, IEEE Transactions on Geoscience and Remote Sensing.

Updated Radiometric Calibration for the Landsat-5 Thematic Mapper Reflective Bands

Gyanesh Chander, Brian L. Markham, Dennis L. Helder, 2008, IEEE Transactions on Geoscience and Remote Sensing.

Use of Pseudo-Invariant Sites for Long-Term Sensor Calibration

Dennis L. Helder, Daniel L. Morstad, D. Helder, 2008, IGARSS 2008 - 2008 IEEE International Geoscience and Remote Sensing Symposium.

Radiometric Calibration of Reflective Bands of Landsat 4 Thematic Mapper using Pseudo-Invariant Site Technique

Dennis L. Helder, Rimy Malla, D. Helder, 2008, IGARSS 2008 - 2008 IEEE International Geoscience and Remote Sensing Symposium.

Cross-calibration of the Landsat-4 and Landsat-5 thematic mappers

Dennis L. Helder, Cory Mettler, Cory J. Mettler, 2005, SPIE Optics + Photonics.

Landsat-5 Thematic Mapper reflective-band radiometric stability

Dennis L. Helder, Sriharsha Madhavan, James D. Dewald, 2004, IEEE Transactions on Geoscience and Remote Sensing.

Observations and Recommendations for Coordinated Calibration Activities of Government and Commercial Optical Satellite Systems

Dennis L. Helder, Rasmus Houborg, Sébastien Clerc, 2020, Remote. Sens..

IKONOS geometric characterization

Kevin Patrick, Dennis L. Helder, Michael Coan, 2003 .

Overview of the 2015 Algodones Sand Dunes field campaign to support sensor intercalibration

Larry Leigh, Joel McCorkel, Jeff Czapla-Myers, 2017 .

Cross calibration of the Landsat-7 ETM+ and EO-1 ALI sensor

Gyanesh Chander, Dennis L. Helder, David J. Meyer, 2004, IEEE Transactions on Geoscience and Remote Sensing.

Radiometric Cross Calibration and Validation Using 4 Angle BRDF Model between Landsat 8 and Sentinel 2A

Larry Leigh, Dennis L. Helder, M. M. Farhad, 2020, Remote. Sens..

Lifetime Absolute Calibration of the EO-1 Hyperion Sensor and its Validation

Larry Leigh, Xin Jing, David Aaron, 2019, IEEE Transactions on Geoscience and Remote Sensing.

Derivation of Hyperspectral Profile of Extended Pseudo Invariant Calibration Sites (EPICS) for Use in Sensor Calibration

Larry Leigh, Dennis L. Helder, Nahid Hasan, 2019, Remote. Sens..

Evaluation of an Extended PICS (EPICS) for Calibration and Stability Monitoring of Optical Satellite Sensors

Larry Leigh, Dennis L. Helder, Nahid Hasan, 2019, Remote. Sens..

Extended Pseudo Invariant Calibration Sites (EPICS) for the Cross-Calibration of Optical Satellite Sensors

Larry Leigh, Dennis L. Helder, Nahid Hasan, 2019, Remote. Sens..

Assessing the calibration differences in the reflective solar bands of Terra MODIS and Landsat-7 enhanced thematic mapper plus

Amit Angal, Xiaoxiong Xiong, Larry Leigh, 2018, Journal of Applied Remote Sensing.

Evaluation of the uncertainty in the spectral band adjustment factor (SBAF) for cross-calibration using Monte Carlo simulation

Larry Leigh, Dennis L. Helder, David Aaron, 2016 .

Absolute Calibration of Optical Satellite Sensors Using Libya 4 Pseudo Invariant Calibration Site

Amit Angal, Xiaoxiong Xiong, Dennis L. Helder, 2014, Remote. Sens..

Classification and Evaluation of Extended PICS (EPICS) on a Global Scale for Calibration and Stability Monitoring of Optical Satellite Sensors

Larry Leigh, Cibele Teixeira Pinto, Dennis L. Helder, 2021, Remote. Sens..

Extended Cross-Calibration Analysis Using Data from the Landsat 8 and 9 Underfly Event

D. Helder, L. Leigh, Garrison Gross, 2023, Remote. Sens..

New Approach for Temporal Stability Evaluation of Pseudo-Invariant Calibration Sites (PICS)

Amit Angal, Cibele Teixeira Pinto, Dennis L. Helder, 2019, Remote. Sens..

Empirical Absolute Calibration Model for Multiple Pseudo-Invariant Calibration Sites

Amit Angal, Xiaoxiong Xiong, Dennis L. Helder, 2019, Remote. Sens..

Preliminary assessment of several parameters to measure and compare usefulness of the CEOS reference pseudo-invariant calibration sites

Aisheng Wu, Xiaoxiong Xiong, Gyanesh Chander, 2010, Remote Sensing.

An inter-comparison exercise of Sentinel-2 radiometric validations assessed by independent expert groups

Dennis L. Helder, Joel McCorkel, Julia A. Barsi, 2019, Remote Sensing of Environment.

Evaluation of RadCalNet Output Data Using Landsat 7, Landsat 8, Sentinel 2A, and Sentinel 2B Sensors

Xin Jing, Larry Leigh, Cibele Teixeira Pinto, 2019, Remote. Sens..

Spectral reflectance measurement methodologies for Tuz Golu field campaign

Nigel P. Fox, Larry Leigh, Dennis L. Helder, 2011, 2011 IEEE International Geoscience and Remote Sensing Symposium.

Irradiance-based cross-calibration of Landsat-5 and Landsat-7 Thematic Mapper sensors

D. Helder, S. Schiller, D. L. Helder, 2003 .

Pre- and Post-Launch Spatial Quality of the Landsat 8 Thermal Infrared Sensor

Brian Wenny, Larry Leigh, Dennis L. Helder, 2015, Remote. Sens..

Validation of toxicity data and risk limits for soils:final report

Eco, Amsterdam, D. Helder, 1998 .

Radiometric Cross Calibration of Landsat 8 Operational Land Imager (OLI) and Landsat 7 Enhanced Thematic Mapper Plus (ETM+)

Brian L. Markham, Larry Leigh, Dennis L. Helder, 2014, Remote. Sens..

In-flight characterization of spatial quality using point spread functions

Taeyoung Choi, M Rangaswamy, D Helder, 2004 .

Landsat TM and ETM+ thermal band calibration

John R. Schott, Julia A. Barsi, Simon J. Hook, 2003, SPIE Optics + Photonics.

Radiometric calibration stability of the EO-1 Advanced Land Imager: 5 years on-orbit

Brian L. Markham, Dennis L. Helder, Julia A. Barsi, 2006, SPIE Remote Sensing.

CONTINUOUS CALIBRATION IMPROVEMENT: LANDSAT 5 THROUGH LANDSAT 8.

B. Markham, D. Helder, N. Mishra, 2016, Remote sensing of environment.

Landsat-7 ETM+: 12 Years On-Orbit Reflective-Band Radiometric Performance

Brian L. Markham, Dennis L. Helder, Kurtis J. Thome, 2012, IEEE Transactions on Geoscience and Remote Sensing.

Landsat-7 ETM+ radiometric calibration: two years on-orbit

John R. Schott, Brian L. Markham, John L. Barker, 2001, IGARSS 2001. Scanning the Present and Resolving the Future. Proceedings. IEEE 2001 International Geoscience and Remote Sensing Symposium (Cat. No.01CH37217).

Landsats 1–5 Multispectral Scanner System Sensors Radiometric Calibration Update

Dennis L. Helder, Md. Obaidul Haque, Esad Micijevic, 2019, IEEE Transactions on Geoscience and Remote Sensing.