Dr. Thomas J. Grycewicz Profile

Dr. Thomas J. Grycewicz

Senior Engineering Specialist at Aerospace Corp

SPIE Involvement:

Author

Publications (27)

SPIE Journal Paper | 8 April 2020 Open Access

Open Access

GOES-R series image navigation and registration performance assessment tool set

Bin Tan, John Dellomo, Christopher Folley, Thomas Grycewicz, Scott Houchin, Peter Isaacson, Patrick Johnson, Brian Porter, Alan Reth, Pradeep Thiyanaratnam, Robert Wolfe

JARS, Vol. 14, Issue 03, 032405, (April 2020) https://doi.org/10.1117/12.10.1117/1.JRS.14.032405

KEYWORDS: Image registration, Image restoration, Earth observing sensors, Landsat, Long wavelength infrared, Image enhancement, Satellites, Spatial resolution, Image quality, Error analysis

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Proceedings Article | 19 September 2016 Paper

Paper

Avoiding stair-step artifacts in image registration for GOES-R navigation and registration assessment

Thomas Grycewicz, Bin Tan, Peter Isaacson, Frank De Luccia, John Dellomo

Proceedings Volume 9972, 99720T (2016) https://doi.org/10.1117/12.2238640

KEYWORDS: Image registration, Landsat, Satellites, Image resolution, Imaging systems, Earth observing sensors, Error analysis, Image analysis, Image processing, Analytical research

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SPIE Journal Paper | 1 June 2010

Focal plane resolution and overlapped array time delay and integrate imaging

Thomas Grycewicz, Stephen Cota, Terrence Lomheim, Linda Kalman

JARS, Vol. 4, Issue 01, 043537, (June 2010) https://doi.org/10.1117/12.10.1117/1.3355378

KEYWORDS: Image resolution, Staring arrays, Imaging systems, Optical transfer functions, Image analysis, Sensors, Satellites, Image enhancement, Systems modeling, Image registration

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SPIE Journal Paper | 1 June 2010

PICASSO: an end-to-end image simulation tool for space and airborne imaging systems

Stephen Cota, Jabin Bell, Richard Boucher, Tracy Dutton, Christopher Florio, Geoffrey Franz, Thomas Grycewicz, Linda Kalman, Robert Keller, Terrence Lomheim, Diane Paulson, Timothy Wilkinson

JARS, Vol. 4, Issue 01, 043535, (June 2010) https://doi.org/10.1117/12.10.1117/1.3457476

KEYWORDS: Sensors, Image quality, Signal to noise ratio, Reflectivity, Imaging systems, Sun, Image resolution, Image analysis, Modulation transfer functions, Spatial frequencies

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Proceedings Article | 25 August 2008 Paper

Paper

PICASSO: an end-to-end image simulation tool for space and airborne imaging systems

Steve Cota, Jabin Bell, Richard Boucher, Tracy Dutton, Chris Florio, Geoffrey Franz, Thomas Grycewicz, Linda Kalman, Robert Keller, Terrence Lomheim, Diane Paulson, Timothy Willkinson

Proceedings Volume 7087, 708703 (2008) https://doi.org/10.1117/12.797988

KEYWORDS: Sensors, Image quality, Signal to noise ratio, Reflectivity, Sun, Imaging systems, Image resolution, Image analysis, Spatial frequencies, Satellites

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Proceedings Article | 25 August 2008 Paper

Paper

Focal plane resolution and overlapped array TDI imaging

Thomas Grycewicz, Stephen Cota, Terrence Lomheim, Linda Kalman

Proceedings Volume 7087, 708704 (2008) https://doi.org/10.1117/12.798160

KEYWORDS: Image resolution, Staring arrays, Imaging systems, Imaging arrays, Optical transfer functions, Image analysis, Sensors, Systems modeling, Image registration, Satellites

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Proceedings Article | 20 September 2007 Paper

Paper

Estimation bias from using nonlinear Fourier plane correlators for sub-pixel image shift measurement and implications for the binary joint transform correlator

Thomas Grycewicz, Christopher Florio, Geoffrey Franz, Ross Robinson

Proceedings Volume 6695, 66950J (2007) https://doi.org/10.1117/12.729661

KEYWORDS: Optical correlators, Optically addressed spatial light modulators, Cameras, Joint transforms, Spatial light modulators, Binary data, Image registration, Digital imaging, Digital image correlation, Image analysis

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Proceedings Article | 30 August 2006 Paper

Paper

Fourier plane and optical processing for sub-pixel image registration

Thomas Grycewicz, Brian Evans, Christopher Florio, Theresa Christian

Proceedings Volume 6311, 631117 (2006) https://doi.org/10.1117/12.692687

KEYWORDS: Image registration, Spatial light modulators, Image processing, Cameras, Image resolution, Joint transforms, Optically addressed spatial light modulators, Optical correlators, Image enhancement, Fourier transforms

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Proceedings Article | 10 September 2005 Paper

Paper

Joint transform optical correlation applied to sub-pixel image registration

Thomas Grycewicz, Brian Evans, Cheryl Lau

Proceedings Volume 5908, 59080Z (2005) https://doi.org/10.1117/12.620809

KEYWORDS: Image registration, Cameras, Binary data, Image resolution, Image processing, Joint transforms, Spatial light modulators, Optical correlators, Convolution, Image restoration

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Proceedings Article | 30 August 2004 Paper

Paper

1D InGaAs lock-in FPA

Kangzhu Guo, Haijiang Ou, Thomas Grycewicz, Abhay Joshi, Xinde Wang, Gordon Thomas, Haimin Wang, Richard Greene, Durga Misra, Sheng Liu, Zhiwei Liu, Jianjun Zhen, Xiaodong Wang, Baoqing Li, Zhixiong Xiao, Nicholas Ciampa, Jan Opyrchal, Halina Opyrchal, Ken Chin

Proceedings Volume 5406, (2004) https://doi.org/10.1117/12.542662

KEYWORDS: Staring arrays, Signal detection, Indium gallium arsenide, Modulation, Sensors, Detector arrays, Amplifiers, Phase shift keying, Capacitors, Physics

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Proceedings Article | 12 January 2004 Paper

Paper

The 2002 SEEWG FPA roadmap

Thomas Grycewicz, Terrence Lomheim, Paul Marshall, Paul LeVan

Proceedings Volume 5167, (2004) https://doi.org/10.1117/12.506110

KEYWORDS: Staring arrays, Sensors, Manufacturing, Readout integrated circuits, Cryogenics, Charge-coupled devices, Aerospace engineering, Defense and security, Imaging systems, Data modeling

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Proceedings Article | 12 January 2004 Paper

Paper

Carrier Plus: a sensor payload for Living With a Star space environment testbed (LWS/SET)

Cheryl Marshall, Steven Moss, Regan Howard, Kenneth LaBel, Thomas Grycewicz, Janet Barth, Dana Brewer

Proceedings Volume 5167, (2004) https://doi.org/10.1117/12.507550

KEYWORDS: Sensors, Staring arrays, Environmental sensing, Particles, Stars, Sensor technology, Charge-coupled devices, Sensor performance, Space operations, Space telescopes

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SPIE Journal Paper | 1 January 1999

Techniques to improve binary joint transform correlator performance for fingerprint recognition

Thomas Grycewicz

OE, Vol. 38, Issue 01, (January 1999) https://doi.org/10.1117/12.10.1117/1.602066

KEYWORDS: Optical correlators, Binary data, Fingerprint recognition, Spatial light modulators, Joint transforms, Cameras, Fourier transforms, CCD cameras, Optical engineering, Databases

SPIE Journal Paper | 1 October 1997

Lensless joint transform correlator

Thomas Grycewicz

OE, Vol. 36, Issue 10, (October 1997) https://doi.org/10.1117/12.10.1117/1.601471

KEYWORDS: Zone plates, Joint transforms, Diffraction, Optically addressed spatial light modulators, Optical correlators, Spatial light modulators, Cameras, Binary data, CCD cameras, Wave plates

Proceedings Article | 27 March 1997 Paper

Paper

Submicron position resolution using the chirp-modulated single-lens joint transform correlator

Thomas Grycewicz

Proceedings Volume 3073, (1997) https://doi.org/10.1117/12.270390

KEYWORDS: Optical correlators, Zone plates, Spatial light modulators, Cameras, Joint transforms, Fourier transforms, Diffraction, CCD cameras, Wave plates, Chlorine

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Proceedings Article | 27 March 1997 Paper

Paper

Fingerprint recognition using binary joint transform correlators with constant false alarm rate

Thomas Grycewicz

Proceedings Volume 3073, (1997) https://doi.org/10.1117/12.270384

KEYWORDS: Binary data, Joint transforms, Optical correlators, Cameras, Image filtering, Signal detection, Fingerprint recognition, Databases, Convolution, Solids

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SPIE Journal Paper | 1 March 1997

Experimental demonstration of a binary single-lens joint transform correlator using chirp-modulated inputs

Thomas Grycewicz

OE, Vol. 36, Issue 03, (March 1997) https://doi.org/10.1117/12.10.1117/1.601251

KEYWORDS: Spatial light modulators, Binary data, Optical correlators, Zone plates, Joint transforms, Modulation, Fourier transforms, Phase shift keying, Near field diffraction, Cameras

SPIE Journal Paper | 1 September 1996

Experimental comparison of binary joint transform correlators used for fingerprint identification

Thomas Grycewicz, Bahram Javidi

OE, Vol. 35, Issue 09, (September 1996) https://doi.org/10.1117/12.10.1117/1.600856

KEYWORDS: Optical correlators, Spatial light modulators, Joint transforms, Binary data, Fingerprint recognition, Computer programming, Cameras, Fourier transforms, Convolution, Optical filters

Proceedings Article | 9 August 1996 Paper

Paper

Fingerprint recognition using binary nonlinear joint transform correlators

Thomas Grycewicz

Proceedings Volume 10287, 1028704 (1996) https://doi.org/10.1117/12.259695

KEYWORDS: Fingerprint recognition, Binary data, Joint transforms, Optical correlators

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Proceedings Article | 15 March 1996 Paper

Paper

Single lens joint transform correlator for high-resolution position location

Thomas Grycewicz

Proceedings Volume 2752, (1996) https://doi.org/10.1117/12.235669

KEYWORDS: Optical correlators, Joint transforms, Zone plates, Spatial light modulators, Modulation, Binary data, Fourier transforms, Near field diffraction, Cameras, Wave plates

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Proceedings Article | 28 August 1995 Paper

Paper

Experimental demonstration of a chirp-modulated joint transfrom correlator using separate input SLMs

Thomas Grycewicz, Bahram Javidi

Proceedings Volume 2565, (1995) https://doi.org/10.1117/12.217646

KEYWORDS: Spatial light modulators, Modulation, Binary data, Optical correlators, Joint transforms, Cameras, Computer programming, Reflectivity, Interferometers, Mach-Zehnder interferometers

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Proceedings Article | 28 March 1995 Paper

Paper

Fingerprint identification with the joint transform correlator using multiple reference fingerprints

Thomas Grycewicz

Proceedings Volume 2490, (1995) https://doi.org/10.1117/12.205782

KEYWORDS: Optical correlators, Joint transforms, Spatial light modulators, Fingerprint recognition, Binary data, System identification, Cameras, Fourier transforms, Detection and tracking algorithms, Ferroelectric LCDs

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Proceedings Article | 29 September 1994 Paper

Paper

Fourier plane processing for the joint transform correlator: windows and time modulation

Thomas Grycewicz

Proceedings Volume 2297, (1994) https://doi.org/10.1117/12.187284

KEYWORDS: Modulation, Joint transforms, Optical correlators, Fourier transforms, Signal detection, Signal processing, Binary data, Target detection, Spatial light modulators, Diffraction

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SPIE Journal Paper | 1 June 1994

Applying time modulation to the joint transform correlator

Thomas Grycewicz

OE, Vol. 33, Issue 06, (June 1994) https://doi.org/10.1117/12.10.1117/12.170729

KEYWORDS: Modulation, Demodulation, Signal detection, Spatial light modulators, Joint transforms, Cameras, Polarization, Optical correlators, Binary data, Amplitude modulation

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Proceedings Article | 1 March 1994 Paper

Paper

Binarization of the joint transform correlator Fourier plane based on local window processing

Thomas Grycewicz

Proceedings Volume 2237, (1994) https://doi.org/10.1117/12.169432

KEYWORDS: Signal detection, Modulation, Signal processing, Joint transforms, Optical correlators, Target detection, Binary data, Optical pattern recognition, Spatial frequencies, Fourier spectroscopy

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Proceedings Article | 9 November 1993 Paper

Paper

Applying time modulation to optical joint transform correlators to improve target detection in high-clutter/multiple-target environments

Thomas Grycewicz

Proceedings Volume 2026, (1993) https://doi.org/10.1117/12.163569

KEYWORDS: Modulation, Signal detection, Target detection, Demodulation, Joint transforms, Optical correlators, Signal to noise ratio, Signal processing, Computer simulations, Fourier transforms

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Proceedings Article | 25 October 1993 Paper

Paper

Joint transform correlator using a 4-f lens system to achieve virtual displacement along the optical axis

Thomas Grycewicz, Joseph Horner

Proceedings Volume 1959, (1993) https://doi.org/10.1117/12.160307

KEYWORDS: Optical correlators, Joint transforms, Signal detection, Fourier transforms, Optical pattern recognition, Spatial light modulators, Computer simulations, Target detection, Sensors, Spatial frequencies

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Showing 5 of 27 publications

Proceedings Volume Editor (3)

SPIE Conference Volume | 12 September 2007

Focal Plane Arrays for Space Telescopes III

SPIE Conference Volume | 25 August 2005

Focal Plane Arrays for Space Telescopes II

SPIE Conference Volume | 12 January 2004

Focal Plane Arrays for Space Telescopes

Conference Committee Involvement (4)

Focal Plane Arrays for Space telescopes IV

2 August 2009 | San Diego, California, United States

Focal Plane Arrays for Space Telescopes III

28 August 2007 | San Diego, California, United States

Focal Plane Arrays for Space Telescopes II

3 August 2005 | San Diego, California, United States

Focal Plane Arrays for Space Telescopes

5 August 2003 | San Diego, California, United States

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