Publications
"A New Paradigm for Imaging Systems"

W. T. Cathey and E. R. Dowski, Appl. Optics, Vol. 41, pp.6080-6092 (2002)

"Wavefront Coding: A modern method of achieving high performance and/or low cost imaging systems"
August 1, 1999

E. R. Dowski and G. E. Johnson, Presented at SPIE Annual Meeting, Denver, CO, Aug, 1999.

"Extended Depth of Field Through Wavefront Coding"
April 1, 1995

E. R. Dowski and W.T. Cathey, Applied Optics, vol. 34, no 11, pp. 1859-1866, April, 1995

"An Information Theory Approach to Incoherent Information Processing Systems"
March 1, 1995

E. R. Dowski, Signal Recovery and Synthesis V, OSA Technical Digest Series, pp. 106-108, March, 1995.

"Defocus Transfer Function for Circularly Symmetric Pupils"

A. R. FitzGerrell, E. R. Dowski, and W. T. Cathey, Applied Optics, Vol. 36, pp. 5796 - 5804 (1997).

"Broadband Behavior of an Optical-Digital Focus-Invariant System"
July 1, 1996

J. van der Gracht, E. R. Dowski, M. Taylor, D. Deaver, Optics Letters, July 1, 1996, Vol. 21, No 13, pp. 919-921.

"New Pardigm for Imaging Systems"
October 1, 2002

Applied Optics -IP, Vol.41 Issue 29 Page 6080 (October 2002) W. Thomas Cathey, Edward R. Dowski

"Wavefront Coded Imaging System for MEMS Analysis"
November 1, 2002

Daniel L. Barton, et al, Presented at International Society for Testing and Failure Analysis Meeting, Phoenix, AZ, Nov., 2002.

"Wavefront Coding: jointly optimized optical and digital imaging systems"
April 25, 2000

Edward Dowski, Robert H. Cormack and Scott D. Sarama , Aerosense Conference, April 25, 2000

"Control of Chromatic Focal Shift through Wavefront Coding"
August 10, 1998

Hans Wach, Edward Dowski, and W. Thomas Cathey, Applied Optics, August 10, 1998, Vol. 37, No. 23, pp. 5359-5367.

"Aberration Invariant Optical/Digital Incoherent Systems"
December 1, 1996

E. R. Dowski, Jr., S. C. Bradburn, and W. T. Cathey, Japan Optical Review, Vol. 3, Dec. 1996.

"Optical / Digital Aberration Control in Incoherent Optical Systems"
September 1, 1995

E. R. Dowski, A. R. FitzGerrell, and W. T. Cathey, 2A Reunion Iberoamerican de Optica, Guanajuato, Mexico, 18-22 September 1995, Proceedings SPIE, vol. 2730, pp. 120 - 126.

"Realizations of Focus Invariance in Optical-Digital Systems with Wavefront Coding"

S. Bradburn, E. R. Dowski, Jr., and W. Thomas Cathey, Applied Optics, vol. 36, 1997, pp. 9157-9166.

"Aspheric Optical Elements for Extended Depth of Field"

J. van der Gracht, E. R. Dowski, W. T. Cathey, and J. Bowen, 1995 SPIE Proceedings on Novel Optical System Design and Optimization, vol. 2537, San Diego.

"Extended Depth of Field and Aberration Control for Inexpensive Digital Microscope Systems"

Sara C. Tucker, Edward R. Dowski, and W. Thomas Cathey, Optics Express, Vol. 4, pp. 467 - 474 (1999).

"An Alternative Approach to Optical Imaging"
November 30, 2002

A. E. Baron and V. V. Chumachenko, IVD Technology, vol. 8, pp.47-51, Nov./Dec. 2002.

"Three-dimensional Tomography using a Cubic-Phase Plate Extended Depth-of-Field System"

D. L. Marks, R. A. Stack, D. J. Brady, and J. van der Gracht, Optics Letters, Vol. 24, pp. 253 - 255, 1999.

"Image Gathering and Processing for Enhanced Resolution"

(with B. R. Frieden, W. T. Rhodes and C. K. Rushforth), J. Opt. Soc. Am., Vol. A 1, pp. 241-249 (1984).

"Principal of Equivalence between Scanning and Conventional Optical Imaging Systems"

Dorian Kermisch, J. Opt. Soc. Am., Vol. 67, no. 10, pp. 1357-1360(1977)

"Partially Coherent Image Processing by Laser Scanning"

Dorian Kermisch, J. Opt. Soc. Am., Vol. 65, no. 8, pp. 887-1891 (1975).

"Wavefront Coding for Detection and Estimation with a Single-Lens Incoherent Optical System"
May 1, 1995

E. R. Dowski and W. T. Cathey, ICASSP Conference Proceedings, vol. 4, pp. 2451-2454, May, 1995.

"Single-Lens, Single-Image, Incoherent Passive Ranging Systems"
December 31, 1994

E. R. Dowski and W. T. Cathey, Applied Optics, vol. 33, p. 6762-6773, 1994.

"Radar signals. An introduction to theory and application"
12/31/1967

C.E. Cook and M. Bernfeld, Academic Press, 1967.

"Least-Squares Synthesis of Radar Ambiguity Functions"
04/01/1962

S.M. Sussman, IRE Trans. Inform. Theory, vol. 8, p. 246-254, April 1962.

"Bilinear Signal Synthesis"
February 1, 1992

F. Hlawatsch, IEEE Trans. Sig. Proc., vol. 40, no. 2, Feb. 1992

"Linear signal synthesis using the Radon-Wigner transform"
April 1, 1994

J.C. Wood, D.T. Barry, IEEE Trans. Sig. Proc., vol. 42, no. 8, Aug. 1994.

"Synthesis of Signals from Wigner Distributions: Representation on Biorthogonal Bases"
June 1, 1989

S. Raz, Sig. Proc., vol. 20, June 1989.

"Extending the imaging volume for biometric iris recognition"
February 10, 2005

Ramkumar Narayanswamy, Gregory E. Johnson, Paulo E. X. Silveira, Hans B. W

"Extended depth-of-field iris recognition system for a workstation environment"

Ramkumar Narayanswamy, Paulo E. X. Silveira, Harsha Setty, V. Paul Pauca, and Joe van der Gracht, Proc. of SPIE, vol. 5779, p. 41-50.

"Computational Imaging Systems for Iris Recognition"

Robert Plemmons, Michael Horvath, Emily Leonhardt, Paul Pauca, Sudhakar Prasad, Stephen Robinson, Harsha Setty, Todd Torgersen, Joseph van der Gracht, Edward Dowski, Ramkumar Narayanswamy, Paulo E. X. Silveira, Proc. of SPIE, vol. 5559, p. 346-357.

"Signal-to-noise analysis of task-based imaging systems with defocus"

P. E. X. Silveira and R. Narayanswamy, Appl. Opt. 45, 2924-2934 (2006)