COSI_PERIODIC - PERIODIC Integrated Computational Array...

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PERIODIC: Integrated Computational Array Imaging Technology Robert Plemmons Departments of Computer Science and Mathematics, Wake Forest University, Winston-Salem, NC 27109 [email protected] Sudhakar Prasad Department of Physics and Astronomy, University of New Mexico, Albuquerque, NM 87131 Scott Mathews and Mark Mirotznik Department of Electrical Eng. and Computer Science, Catholic University, Washington, DC 20064 Ryan Barnard, Brian Gray, Paul Pauca and Todd Torgersen, Department of Computer Science, Wake Fo est University, Winston-Salem, NC 27109 r Joe van der Gracht Holospex, Inc., 6470 Freetown Rd., Suite 200-104, Columbia, MD 21044 Greg Behrmann EM Photonics, Inc., 51E. Main St., Suite 203, Newark, DE 19711 Abstract: An integrated array imaging system, dubbed PERIODIC, is presented which is capable of exploiting diversities including sub-pixel displacement, phase, polarization, neutral density, and wavelength, to produce high definition images. The optical hardware system and software interface are described, and sample results are shown. ©2007 Optical Society of America OCIS codes: (130.3120) Integrated optics devices, (110.4190) Multiple imaging 1. Background: Array imaging is an emerging paradigm where a specially designed array of lenslets is employed to capture an ensemble of images of a subject, enabling the collection of significantly more information than possible with conventional single-lens imaging systems. Thin form-factor and wide field of view are often important additional characteristics of an array imaging approach. In this paper, we present an integrated optical-digital array imaging system, dubbed PERIODIC, capable of exploiting sub-pixel displacement, phase, polarization, dynamic range by neutral density filters, and wavelength diversity to produce high definition or multi-layered images of different targets. The optical hardware and software interface of a PERIODIC camera prototype are described. The optical sensor and software components work in concert to solve underlying complex image registration and reconstruction problems in near real-time. We also show and explain sample applications of the prototype camera. The main thrust of integrated imaging systems has slowly but surely begun to shift toward systems that
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This note was uploaded on 04/22/2010 for the course MI IP taught by Professor Vladbalan during the Spring '10 term at Universidad del Rosario.

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COSI_PERIODIC - PERIODIC Integrated Computational Array...

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