Coded apertures may be designed to modulate the visibility between source and measurement spaces such that the position of a source among N resolution cells may be discriminated using logarithm of N measurements. We use coded apertures as reference structures in a pyroelectric motion tracking system. This sensor system is capable of detecting source motion in one of the 15 cells uniformly distributed over a 1.6m×1.6m domain using 4 pyroelectric detectors.

© 2003 Optical Society of America

1. A. Moini, A. Bouzerdoum, K. Eshraghian, A. Yakovleff, X. T. Guyen, A. Blanskby, R. Beare, D. Abbott and R. E. Bogner, �??An insect vision-based motion detection chip,�?? IEEE J. Solid-State Circuits 32, 279-284, (1997). [CrossRef]
2. J. R. Baldwin, �??Cross-over field-of-view composite Fresnel lens for an infrared detection system,�?? Hubbell Inc., US Patent 5,442,178, (1995).
3. J. R. Baldwin, �??Composite Fresnel lens having array of lens segments providing long narrow detection range,�?? Hubbell Inc., US Patent 5,877,499, (1999).
4. H. L. Berman, �??Infrared intrusion alarm system with temperature responsive threshold level,�?? Optical Coating Laboratory, Inc., US Patent 4,195,234, (1980).
5. S. D. Feller, E. Cull, D. Kowalski, K. Farlow, J. Burchett, J. Adleman, C. Lin and D. J. Brady, �??Tracking and imaging humans on heterogeneous infrared sensor array for tactical applications,�?? SPIE Aerosense 2002.
6. W. T. Cathey, E. R. Dowski, �??New Paradigm for Imaging Systems,�?? Appl. Opt. 41, 6080-6092 (2002). [CrossRef] [PubMed]
7. D. J. Brady and Z. U. Rahman, �??Integrated analysis and design of analog and digital processing in imaging systems: introduction to the feature issue,�?? Appl. Opt. 41, 6049-6049 (2002). [CrossRef] [PubMed]
8. D. L. Marks, R. A. Stack, D. J. Brady, D. C. Munson, and R. B. Brady, �??Visible cone-beam tomography with a lensless interferometric camera,�?? Science 284, 2164-2166 (1999). [CrossRef] [PubMed]
9. T. M. Cannon and E. E. Fenimore, �??Coded Aperture Imaging - Many holes make light work,�?? Opt. Eng. 19, 283-289 (1980).
10. G. K. Skinner, �??Imaging with Coded-Aperture Masks,�?? Nucl. Instrum. Methods Phys. Res. A 221, 33-40 (1984). [CrossRef]
11. A. J. Bird and M. R. Merrifield, �??X-ray all-sky monitoring and transient detection using a coded sphere telescope,�?? Aston. Astrophys. Suppl. Ser. 117, 131-136 (1996). [CrossRef]
12. E. E. Fenimore, �??Coded aperture imaging: predicted performance of uniform redundant arrays,�?? Appl. Opt. 17, 3562-3569 (1978). [CrossRef] [PubMed]
13. P. Potuluri, U. Gopinathan, J. R. Adleman, and D. J. Brady, �??Lensless sensor system using a reference structure,�?? Opt. Express 11, 965-974 (2003), <a href="http://www.opticsexpress.org/abstract.cfm?URI=OPEX-11-8-965">http://www.opticsexpress.org/abstract.cfm?URI=OPEX-11-8-965</a>. [CrossRef] [PubMed]
14. J. Fraden, AIP handbook of modern sensors (American Institute of Physics, 1993), Chap. 6.

Appl. Opt.

• W. T. Cathey, E. R. Dowski, �??New Paradigm for Imaging Systems,�?? Appl. Opt. 41, 6080-6092 (2002). [CrossRef] [PubMed]
• D. J. Brady and Z. U. Rahman, �??Integrated analysis and design of analog and digital processing in imaging systems: introduction to the feature issue,�?? Appl. Opt. 41, 6049-6049 (2002). [CrossRef] [PubMed]
• E. E. Fenimore, �??Coded aperture imaging: predicted performance of uniform redundant arrays,�?? Appl. Opt. 17, 3562-3569 (1978). [CrossRef] [PubMed]

Aston. Astrophys. Suppl. Ser.

• A. J. Bird and M. R. Merrifield, �??X-ray all-sky monitoring and transient detection using a coded sphere telescope,�?? Aston. Astrophys. Suppl. Ser. 117, 131-136 (1996). [CrossRef]

IEEE J. Solid-State Circuits

• A. Moini, A. Bouzerdoum, K. Eshraghian, A. Yakovleff, X. T. Guyen, A. Blanskby, R. Beare, D. Abbott and R. E. Bogner, �??An insect vision-based motion detection chip,�?? IEEE J. Solid-State Circuits 32, 279-284, (1997). [CrossRef]

Nucl. Instrum. Methods Phys. Res. A

• G. K. Skinner, �??Imaging with Coded-Aperture Masks,�?? Nucl. Instrum. Methods Phys. Res. A 221, 33-40 (1984). [CrossRef]

Opt. Eng.

• T. M. Cannon and E. E. Fenimore, �??Coded Aperture Imaging - Many holes make light work,�?? Opt. Eng. 19, 283-289 (1980).

Opt. Express

• P. Potuluri, U. Gopinathan, J. R. Adleman, and D. J. Brady, �??Lensless sensor system using a reference structure,�?? Opt. Express 11, 965-974 (2003), <a href="http://www.opticsexpress.org/abstract.cfm?URI=OPEX-11-8-965">http://www.opticsexpress.org/abstract.cfm?URI=OPEX-11-8-965</a>. [CrossRef] [PubMed]

Science

• D. L. Marks, R. A. Stack, D. J. Brady, D. C. Munson, and R. B. Brady, �??Visible cone-beam tomography with a lensless interferometric camera,�?? Science 284, 2164-2166 (1999). [CrossRef] [PubMed]

SPIE Aerosense

• S. D. Feller, E. Cull, D. Kowalski, K. Farlow, J. Burchett, J. Adleman, C. Lin and D. J. Brady, �??Tracking and imaging humans on heterogeneous infrared sensor array for tactical applications,�?? SPIE Aerosense 2002.

Other

• J. R. Baldwin, �??Cross-over field-of-view composite Fresnel lens for an infrared detection system,�?? Hubbell Inc., US Patent 5,442,178, (1995).
• J. R. Baldwin, �??Composite Fresnel lens having array of lens segments providing long narrow detection range,�?? Hubbell Inc., US Patent 5,877,499, (1999).
• H. L. Berman, �??Infrared intrusion alarm system with temperature responsive threshold level,�?? Optical Coating Laboratory, Inc., US Patent 4,195,234, (1980).
• J. Fraden, AIP handbook of modern sensors (American Institute of Physics, 1993), Chap. 6.

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