Dr. Edward R. Washwell Profile

Dr. Edward R. Washwell

Retired

SPIE Involvement:

Author

Publications (6)

Proceedings Article | 18 October 1996 Paper

Improved GOES earth sensor performance

Edward Washwell, Keiko Chevray, Ahmed Kamel, Andre' Dress, Tim Walsh

Proceedings Volume 2812, (1996) https://doi.org/10.1117/12.254114

KEYWORDS: Sensors, Space operations, Sun, Imaging systems, Mirrors, Ray tracing, Stray light, Optical fabrication, Sensor performance, Satellites

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Proceedings Article | 12 January 1993 Paper

Problems facing optical correlators

Gregory Gheen, Edward Washwell, Chao Huang

Proceedings Volume 1772, (1993) https://doi.org/10.1117/12.140900

KEYWORDS: Optical correlators, Spatial light modulators, Optical filters, Digital filtering, Electronics, Transistors, Phase only filters, Charge-coupled devices, Modulation, Signal to noise ratio

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Proceedings Article | 1 July 1992 Paper

Portable video-rate optical correlator

Edward Washwell, Shawn Connely, Rolin Gebelein, Gregory Gheen, M. Takita

Proceedings Volume 1701, (1992) https://doi.org/10.1117/12.138311

KEYWORDS: Optical correlators, LCDs, Spatial light modulators, Semiconductor lasers, Missiles, Fourier transforms, Liquid crystals, Molybdenum, Charge-coupled devices, Diffraction

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Proceedings Article | 1 November 1991 Paper

Throughput comparison of optical and digital correlators for automatic target recognition

Chao Huang, Gregory Gheen, Edward Washwell

Proceedings Volume 1564, (1991) https://doi.org/10.1117/12.49730

KEYWORDS: Optical correlators, Clocks, Spatial light modulators, Optical filters, Signal processing, Computing systems, Filtering (signal processing), Optical signal processing, Fourier transforms, Image filtering

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Proceedings Article | 1 September 1990 Paper

Application of ternary phase-amplitude correlation filters to LADAR range images

David Flannery, William Hahn, Edward Washwell

Proceedings Volume 1297, (1990) https://doi.org/10.1117/12.21315

KEYWORDS: Filtering (signal processing), Image filtering, Signal to noise ratio, LIDAR, Image processing, Composites, Signal processing, Binary data, Optical correlators, Modulation

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Proceedings Article | 1 September 1990 Paper

Miniature hybrid optical correlators: device and system issues

Edward Washwell, Rolin Gebelein, Gregory Gheen, David Armitage, Mark Handschy

Proceedings Volume 1297, (1990) https://doi.org/10.1117/12.21298

KEYWORDS: Spatial light modulators, Optical correlators, Filtering (signal processing), Liquid crystals, Electronics, Image filtering, Detection and tracking algorithms, Image processing, Optical filters, Electronic filtering

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Showing 5 of 6 publications

Proceedings Volume Editor (1)

SPIE Conference Volume | 18 October 1996

GOES-8 and Beyond

Conference Committee Involvement (1)

GOES-8 and Beyond

7 August 1996 | Denver, CO, United States

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