Utilizing Optical Defocusing and Computational Imaging for Laser Intensity Reduction at CCD Focal Planes

Award Information
Agency:
Department of Defense
Branch:
Army
Amount:
$119,663.00
Award Year:
2008
Program:
SBIR
Phase:
Phase I
Contract:
W911QX-09-C-0033
Agency Tracking Number:
A082-064-1723
Solicitation Year:
2008
Solicitation Topic Code:
A08-064
Solicitation Number:
2008.2
Small Business Information
AERODYNE RESEARCH, INC.
45 Manning Road, Billerica, MA, 01821
Hubzone Owned:
N
Socially and Economically Disadvantaged:
N
Woman Owned:
N
Duns:
030817290
Principal Investigator
 Stephen Jones
 Principal Engineer
 (978) 663-9500
 sjones@aerodyne.com
Business Contact
 Charles Kolb
Title: President
Phone: (978) 663-9500
Email: kolb@aerodyne.com
Research Institution
N/A
Abstract
Devising a means to reduce the fluence at the image sensor by a factor of 100 would eliminate the threat from all but the largest, cumbersome sources. We propose that the needed fluence reduction can be achieved by operating the existing imager at a strongly defocused setting, and applying hardware-accelerated existing state-of-the-art image deblurring algorithms to its data stream. Several existing deblurring algorithms are capable of very good inverse filtering performance with a 19x19 blur kernel which corresponds to an approximate fluence attenuation of 360 . The system concept is to interface the unmodified image sensor with a signal processor to implement the deblurring algorithm at the video rate. Aerodyne Research Inc (ARI), and our partner, the University of Notre Dame (UND) spin-off Emu Solutions offer innovative and patented techniques for FPGA hardware acceleration of "non-streamable" algorithms that typify inversion problems in computational imaging. Our Phase II goal is a full-up system implementation, coupling a representative optical imager to a real-time video-rate FPGA implementation of the computational deblurring. Our Phase I efforts will establish the feasibility of our approach, employing computational emulations, laboratory optical confirmation, and preliminary fixed-point arithmetic assessment.

* information listed above is at the time of submission.

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