Publications

In Flight Cal-Val Methods and Techniques

Cross Calibration

Thankappan, M., J. Christopherson, S. Cantrell, R.E. Ryan, M. Pagnutti, C. Bright, D. Naughton, et al. 2024. "Concept of a Satellite Cross-Calibration Radiometer for In-Orbit Calibration of Commercial Optical Satellites." In Remote Sensing 16 (8): 1333.Ryan, R.E., M. Pagnutti, M. Huggins, K. Burch, D. Sitton, K. Manriquez, and H. Ryan. 2023. "Impact of a Hyperspectral Satellite Cross-Calibration Radiometer's Spatial and Noise Characteristics on Cross-Calibration." In Remote Sensing 15 (18): 4419.Ryan, R. E. 2023. "Impact of Spatial and SNR Characteristics on SCR Cross-Calibration Uncertainty." Presented at the JACIE Civil Commercial Imagery Evaluation Workshop, Reston, VA, March 27-30.

In-Flight Vicarious Radiometric Calibration

Ryan, R.E., M. Pagnutti, K. Holekamp, D. Sitton, and R. Brown. 2015. "Absolute Radiometric Calibration: Consumer-Grade to Large-Format Cameras." Presented at the ASPRS Annual Conference, Tampa, FL, May 4-8.Ryan, R.E., K. Holekamp, M. Pagnutti, and T. Stanley. 2007. "A Simplified Approach to Radiometric Vicarious Calibration." Poster presented at the JACIE Civil Commercial Imagery Evaluation Workshop, Fairfax, VA, March 20-22.

In-Flight Vicarious Spatial Resolution Assessments

Ryan, R.E. and Pagnutti, M. 2011. "An Automated Method to Estimate In-Flight Image Quality Parameters from High Spatial Resolution Imagery." Presented at the JACIE Civil Commercial Imagery Evaluation Workshop, Boulder, CO, March 29-31.Pagnutti, M., S. Blonski, M. Cramer, D. Helder, K. Holekamp, E. Honkavaara, and R.E. Ryan. 2010. "Targets, methods, and sites for assessing the in-flight spatial resolution of electro-optical data products." In Canadian Journal of Remote Sensing 36, no. 5: 583-601.Pagnutti, M., and R.E. Ryan. 2010. "An Automated Tool to Estimate the Spatial Resolution of Products Acquired by High Spatial Resolution Remote Sensing Imaging Systems." Presented at the JACIE Civil Commercial Imagery Evaluation Workshop, Fairfax, VA, March 16-18.Blonski, S., R.E. Ryan, M. Pagnutti, and T. Stanley. 2006. "Edge Response and NIIRS Estimates for Commercial Remote Sensing Satellites." Presented at the JACIE Civil Commercial Imagery Evaluation Workshop, Laurel, MD, March 14-16.Blonski, S., M.A. Pagnutti, R. Ryan, and V. Zanoni. 2002. "In-Flight Edge Response Measurements for High-Spatial-Resolution Remote Sensing Systems." In Earth Observing Systems VII, edited by W. L. Barnes, 4814:317-26. Seattle, WA: SPIE. Ryan, R.E., M. Pagnutti, C. Cao, S. Blonski, V. Zanoni, and J. Jenner. 1999. "Spatial Resolution Determination with the Stennis Edge Target and NIIRS. " Presented at the International Symposium on Spectral Sensing Research, Las Vegas, NV, November 31.

General Methods

Zanoni, V., Pagnutti, M., Ryan, R., Helder, D., Lehman, W., Roylance, S. and Snyder, G., 2004. "The Joint Agency Commercial Imagery Evaluation (JACIE) team and product characterization approach. " Book Chapter in Post-launch Calibration Of Satellite Sensors, International Society for Photogrammetry and Remote Sensing (ISPRS) Book Series Vol 2. Edited by SA Morain and AM Budge, Balkema Publishers, Philadelphia, pp.135-141. Zanoni, V., R. E. Ryan, M. Pagnutti, B. Markham, and J. Storey. 2003. "Parameters Describing Earth Observing Remote Sensing Systems." Presented at the ISPRS CEOS International Workshop on Radiometric and Geometric Calibration, Gulfport, MS, December 2-5.Pagnutti, M., K. Holekamp, R. Ryan, S. Blonski, R. Sellers, B. Davis, and V. Zanoni. 2002. "Measurement Sets and Sites Commonly Used for Characterizations." In ISPRS Archives. VoI. XXXIV, Part I. Denver, CO.Ryan, R., G. Harrington, D. Howell, M. Pagnutti, and V. Zanoni. 2002. "Methods for LWIR Radiometric Calibration and Characterization." In ISPRS Commission I Mid-Term Symposium. Denver, CO.

Low Light and Night Imaging

New Methods and Applications

Ryan, R.E., M. Pagnutti, H. Ryan, K. Burch, and K. Manriquez. 2024. "Satellite Hyperspectral Nighttime Light Observation and Identification with DESIS." In Remote Sensing 16 (5): 923.Pagnutti, M., R.E. Ryan, K. Burch, H. Ryan, and K. Manriquez. 2023. "Advancing Nighttime Light Information Extraction Using Moderate Resolution Hyperspectral Imagery From DESIS." Poster presented at the AGU 23, San Francisco, CA, December 11-15.Pagnutti, M., and R.E. Ryan. 2013. "Low-Light Applications for Absolutely Calibrated Large Format Dynamic Range Digital Imaging Sensors." Presented at the JACIE Civil Commercial Imaging Evaluation Workshop, St. Louis, MO, April 16-18.Ryan, R.E., M. Pagnutti, and K. Holekamp. 2012. "Extending the Operational Envelope of Aerial Optical Imaging from Pre-Sunrise to Post-Sunset Operation." Presented at the JACIE Civil Commercial Imagery Evaluation Workshop, Fairfax, VA, April 17-19.

Low Light and Night Imaging Cal-Val Instrumentation

Ryan, R.E. 2024. "Angstrom: An Imaging Star Photometer." Presented at the JACIE Civil Commercial Imagery Evaluation Workshop, Reston, VA, March 11-15.Pagnutti, M. 2022. "Angstrom: An Imaging Star Photometer Camera Extrinsic and Intrinsic Self Calibration Using Stars." Presented at the JACIE Civil Commercial Imagery Evaluation Workshop, Virtual, January 10-13.Ryan, R., M. Pagnutti, K. Burch, L. Leigh, T. Ruggles, C. Cao, D. Aaron, S. Blonski, and D. Helder. 2019. "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." In Remote Sensing 11 (6): 710.Ryan, R.E. 2018. "Vicarious Ground-Based Artificial Light Source Radiometric Calibration of the VIIRS Day-Night High Gain Stage: Early Results." Presented at the JACIE Civil Commercial Imagery Evaluation Workshop, College Park, MD, September 17-19.Ryan, R.E., M. Pagnutti, T. Ruggles, K. Burch, L. Leigh, C. Cao, D. Aaron, and D. Helder. 2018. "Absolute Radiometric Calibration of the VIIRS DNB HGS with the Ground Based Automated Accurate Active Light Source (AALS): Early Results." Presented at the American Geophysical Union Fall Meeting 2018, Washington, DC, December 10-14.Wang, Z., M.O. Roman, Q. Sun, V. Kalb, K. MacManus, R.E. Ryan, M. Pagnutti, and D. Helder. 2018. "NASAs Black Marble Product Suite: Validation Strategy." In IGARSS 2018 2018 IEEE International Geoscience and Remote Sensing Symposium, 8197-8200. Valencia: IEEE.

Technology and Image Processing Developments

New Technology Development

Pagnutti, M., and R.E. Ryan. 2014. "Advanced LED Illuminated Calibration Sphere." Presented at the JACIE Civil Commercial Imagery Evaluation Workshop, Louisville, KY, March 26-28.Pagnutti, M., R.E. Ryan, and K. Holekamp. 2008. "Hyperspectral Sun Photometer for Atmospheric Characterization and Vicarious Calibrations." In NASA TechBriefs, June 1, 2008.Ryan, R.E., S.D. O’Neal, M. Lanoue, J. Russell, “Hyperspectral Fluorescence and Reflectance Imaging Instrument,” In NASA Tech Briefs, September 1, 2008.Howell, D., R. Ryan, J. Ryan, D. Henderson, and L. Clayton. 2007. "Blackbody Cavity for Calibrations at 200 to 273 K." In NASA TechBriefs, September 1, 2007.Pagnutti, M., R. E. Ryan, K. Holekamp, G. Harrington, and T. Frisbie. 2006. "Novel Hyperspectral Sun Photometer for Satellite Remote Sensing Data: Radiometric Calibration and Atmospheric Aerosol Studies." NASA Verification and Validation Report SSTI-2220-0063. Stennis Space Center, MS.Ryan, R.E. 2003. Radiant Temperature Nulling Radiometer. United States Patent and Trademark Office 6585410, filed May 3, 2001, and issued July 1, 2003.Ryan, R.E., T. Nixon, M. Pagnutti, and V. Zanoni. 2003. “Instrument for Measuring Temperature of Water.” In NASA TechBriefs, February 1, 2003.

Atmospheric Correction

Pagnutti, M., K. Holekamp, R. Stewart, and R.D. Vaughan. 2006. "Thermal Band Atmospheric Correction Using Atmospheric Profiles Derived from Global Positioning System Radio Occultation and the Atmospheric Infrared Sounder." Presented at the American Geophysical Union Fall Meeting, San Francisco, CA, December 11-15.Pagnutti, M., K. Holekamp, R.E. Ryan, R.D. Vaughan, J.A. Russell, D. Prados, and T. Stanley. 2005. "Atmospheric Correction of High Spatial Resolution Commercial Satellite Imagery Products Using MODIS Atmospheric Products." In 3rd International Workshop on the Analysis of Multi-Temporal Remote Sensing Images, 115–19. Biloxi, MS, USA: IEEE.Pagnutti, M. 2004. "Atmospheric Correction Prototype Algorithm for High Spatial Resolution Multispectral Earth Observing Imaging Systems." Presented at the High Spatial Resolution Commercial Imagery Workshop, Reston, VA, November 8-10.

Denoising Algorithms

Ryan, R.E., M. Pagnutti, and K. Holekamp, 2014. "Advanced Noise Reduction Techniques and Improvements." Presented at the JACIE Civil Commercial Imagery Evaluation Workshop, Louisville, KY, March 26-28.Ryan, R.E., M. Pagnutti, and K. Holekamp. 2014. "Reducing the Complexity of Satellite Thermal Imagers through Denoising Algorithms." Presented at the ASPRS PECORA, Denver, CO, November 17-20.

Simulation and Harmonization

Pagnutti, M., K. Burch, M. Huggins, R.E. Ryan, and D. Sitton. 2023. "Advancing Time Series-Based Multi-Source Datacubes for Improved Change Detection." Presented at the JACIE Civil Commercial Imagery Evaluation Workshop, Reston, VA, March 27-30.Ryan, R.E., 2022. "Parametric Spectral Synthesis Errors of Hyperspectral Simulation of Multispectral Imagers." Presented at the JACIE Civil Commercial Imagery Evaluation Workshop, January 10-13.Burch, K. 2021. "Simulation of Multispectral Imagers using DESIS Hyperspectral Imagery for Harmonization of Satellite Constellations and Cross-Calibration." Presented at the 1st DESIS User Workshop, 29 September 2021.Pagnutti, M., K. Burch, R.E. Ryan, D. Sitton, 2019. "Simulating Virtual Satellite Constellations of Multispectral Imagers using Hyperspectral Satellite and Airborne Imagery. ", Presented at the JACIE Civil Commercial Imagery Evaluation Workshop, Reston, VA, September 24-26.

Evaluations and Assessments

DLR Earth Sensing Imaging Spectrometer (DESIS)

Carmona, E., K. Alonso, M. Bachmann, K. Burch, D. Cerra, R. de los Reyes, U. Heiden, U. Knodt, D. Krutz, D. Marshall, R. Mueller, M. Pagnutti, P. Reinartz, R. Ryan. 2021. "Vicarious Calibration of the DESIS Imaging Spectrometer." In IEEE International Geoscience and Remote Sensing Symposium IGARSS, pp. 1611-1614.Alonso, K., M. Bachmann, K. Burch, E. Carmona, D. Cerra, R. de los Reyes, D. Dietrich, et al. 2019. "Data Products, Quality and Validation of the DLR Earth Sensing Imaging Spectrometer (DESIS)." Sensors 19 (20): 4471.Burch, K., M. Pagnutti, R.E. Ryan, J. Ickes, H. Lester, R. Mueller, E. Carmona, R. de los Reyes, M. Bachmann, 2019. "The DLR Earth Sensing Imaging Spectrometer (DESIS) Instrument On-Orbit Performance and Data Access.", Presented at the JACIE Civil Commercial Imagery Evaluation Workshop, Reston, VA, Sept. 24-26.Ryan, R.E., 2019. "In-flight Measurement of the DESIS Hyperspectral Imager SNR using Scene Data." Presented at the JACIE Civil Commercial Imagery Evaluation Workshop, Reston, VA, Sept. 24-26.Ickes, J., and M. Pagnutti. 2018. "DLR Earth Sensing Imaging Spectrometer (DESIS): Status and Calibration Update." Presented at the JACIE Civil Commercial Imagery Evaluation Workshop, College Park, MD, Sept. 17-19.Pagnutti, M. 2017. "Automated On-Orbit Characterization of the DLR DESIS Sensor on the International Space Station." Presented at the JACIE Civil Commercial Imagery Evaluation Workshop, Reston, VA, Sept. 19-21.

IKONOS, QuickBird and Orbview-3 Early Commercial Satellites

Holekamp, K. et al., 2004. "NASA Radiometric Characterization." Presented at the JACIE Civil Commercial Imagery Evaluation Workshop, Reston, VA, November 8-10.Helder, D., Ross, K. 2004 "QuickBird and OrbView-3 Geopositional Accuracy Assessment." Presented at the JACIE Civil Commercial Imagery Evaluation Workshop, Reston, VA, November 8-10.Blonski, S. et al, 2004. "Spatial Resolution Characterization for QuickBird Image Products 2003-2004". Presented at the JACIE Civil Commercial Imagery Evaluation Workshop, Reston, VA, Nov 8-10.Ross, K., V. Zanoni, S. Blonski, D. Carver, D. Fendley, K. Holekamp, M. Pagnutti, and C. Smith. 2004. "OrbView-3 Initial On-Orbit Characterization." Stennis Space Center, MS: NASA Report.Ross, K., V. Zanoni, S. Blonski, D. Carver, D. Fendley, K. Holekamp, M. Pagnutti, C. Smith. 2004. "QuickBird Image Product Characterization." Stennis Space Center, MS: NASA Report.Pagnutti, M., R. E. Ryan, M. Kelly, K. Holekamp, V. Zanoni, K. Thome, and S. Schiller. 2003. "Radiometric Characterization of IKONOS Multispectral Imagery." In Remote Sensing of Environment 88 (1–2): 53–68.Pagnutti, M., R.E. Ryan, K. Holekamp, and V. Zanoni. 2002. "NASA IKONOS Radiometric Characterization. "Presented at the JACIE Civil Commercial Imagery Evaluation Workshop, Reston, VA, March 25-27.Pagnutti, M., R.E. Ryan, M. Kelly, K. Holekamp, E. Daehler, V. Zanoni, S. Schiller, and K. Thome. 2002. "NASA IKONOS Radiometric Characterization." Presented at the CALCON, Logan, UT, Apr 29-May 2.Pagnutti, M. 2002. "NASA IKONOS Characterization Methodologies." Presented at the ASRPS-ACSM Annual Conference, Washington, DC, April 19-22.

Advanced Wide Field Sensor (AWiFS)

Goward, S.N., G. Chander, M. Pagnutti, A. Marx, R. Ryan, N. Thomas, and R. Tetrault. 2012. "Complementarity of Resourcesat-1 AWiFS and Landsat TM/ETM+ sensors. " In Remote Sensing of Environment 123: 41-56.Pagnutti, M. 2010. "Comparison of the Advanced Wide Field Sensor to Landsat for Supplying General Land Cover Land Use Change Detection Products Needed for NASA LCLUC Program Science." NASA Contract Status Report, Nov 2010.Pagnutti, M., and K. Holekamp. 2007. "Radiometric Calibration of AWiFS Using Vicarious Calibration Technique." Presented at the JACIE Civil Commercial Imagery Evaluation Workshop, Fairfax, VA, March 20-22.Blonski, S., R.E. Ryan, M. Pagnutti, and T. Stanley. 2006. "Spatial Resolution Characterization for AWiFS Multispectral Images." Presented at the JACIE Civil Commercial Imagery Evaluation Workshop, Laurel, MD, March 14-16.Blonski, S., K. Holekamp, M. Pagnutti, K. Ross, R.E. Ryan, K. Thome, N. Leisso, J. Buchanan, and T. Stanley, 2005. "AWiFS Image Product Characterization for 2005.", Prepared for NASA SSC ASD & NASA HQ, October 2005.

Multispectral Thermal Imager (MTI)

Garrett, A.J., R.J. Kurzeja, B.L. O'Steen, M.J. Parker, M.M. Pendergast, E. Villa-Aleman, and M.A. Pagnutti. 2001. "Observations and Model Predictions of Water Skin Temperatures at MTI Core Site Lakes and Reservoirs." In Algorithms for Multispectral, Hyperspectral, and Ultraspectral Imagery VII, edited by S.S. Shen and M.R. Descour, 225-35. Orlando, FL.

Landsat

Pagnutti, M., K. Burch, O. Haque, D. Helder, E. Micijevic, R. Rengarajan, and D. Sitton. 2023. "Landsat 8 L1T Product Radiometric Pixel Uncertainty." Presented at the JACIE Civil Commercial Imagery Evaluation Workshop, Reston, VA, March 27-30.Burch, K., M. Pagnutti, R.E. Ryan, D. Sitton, H. Xu, C. Anderson, M. Choate, E. Micijevic, T. Beckman, M. Haque, D. Helder, J. Mann, R. Rengarajan, and J. Shaw. 2022. “Landsat-8 Per-Pixel Radiometric Uncertainty Algorithm.” Presented at the JACIE Civil Commercial Imagery Evaluation Workshop, January 10-13.Irons, J.R., N.J. Speciale, D. McCuistion, J.G. Masek, B.L. Markham, J.C. Storey, D.E. Lencioni, and R.E. Ryan. 2003. "Data specifications for the Landsat Data Continuity Mission." In IGARSS 2003. 2003 IEEE International Geoscience and Remote Sensing Symposium. Proceedings (IEEE Cat. No. 03CH37477), vol. 2, pp. 1335-1337. IEEE.Ryan, R., M. Pagnutti, S. Blonski, and J. Spruce. 2001. "LDCM Preliminary Thermal Trades." Presented at the Atmospheric Trades Meeting for Landsat Continuity, Beltsville, MD, April 23.

DMC Aerial Framing Camera

Pagnutti, M., K. Holekamp, R.E. Ryan, D. Sitton, 2015. "Radiometric Correction Workflow for Aerial Imaging Applications", Presented at the JACIE Civil Commercial Imagery Evaluation Workshop, Tampa, FL, May 5-7.Ryan, R.E., and M. Pagnutti. 2010. "Laboratory and On-Site Radiometric Calibration of Aerial Multispectral Digital Cameras." Presented at the JACIE Commercial Imagery Evaluation Workshop, Fairfax, VA, March 16-18.Ryan, R.E., and M. Pagnutti. 2009. "Enhanced Absolute and Relative Radiometric Calibration for Digital Aerial Cameras." In Photogrammetric Week '09, edited by D. Fritsch, 81-90. Wichmann-Verlag.

Small Multispectral and Hyperspectral COTS Cameras

Pagnutti, M., R.E. Ryan, J. Frommeyer, D. Cuervo, D. Sitton. 2024. "Methods, Procedures and Example Results for Evaluating Commercial Off-the-Shelf Hyperspectral Instruments for Use as Satellite Cross-Calibration Radiometers." Submitted to Journal of Applied Remote Sensing June 2024.Pagnutti, Mary, R.E. Ryan, G. Cazenavette, M. Gold, R. Harlan, E. Leggett, and J. Pagnutti. 2017. "Laying the foundation to use Raspberry Pi 3 V2 camera module imagery for scientific and engineering purposes." In Journal of Electronic Imaging 26, no. 1: 013014-013014.Pagnutti, M., K. Burch, D. Cuervo, R.E. Ryan, 2019. "Laboratory Radiometric Calibration/Characterization of MicaSense Cameras for sUAS Applications." Presented at the JACIE Civil Commercial Imagery Evaluation Workshop, Reston, VA, September 24-26.Ryan, R.E., and M. Pagnutti, 2010. "Laboratory and On-site Radiometric Calibration of Aerial Multispectral Digital Cameras." Presented at the JACIE Civil Commercial Imagery Evaluation Workshop, Fairfax, VA, March 16-18.

DEM Validation

Pagnutti, M., and R.E. Ryan. 2009. "Automated DEM Validation Using ICESat GLAS Data." San Antonio, TX.

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