Share Email Print
cover

Proceedings Paper

Adaptive masks for discriminative coded aperture imaging
Author(s): Keith Lewis
Format Member Price Non-Member Price
PDF $17.00 $21.00
cover GOOD NEWS! Your organization subscribes to the SPIE Digital Library. You may be able to download this paper for free. Check Access

Paper Abstract

In coded aperture imaging, adaptive masks provide significant benefit, notably for their role in supporting the image recovery process. Each discrete mask pattern produces a unique point spread function on the detector array, which can be used to enhance the resolution of imagery and indeed to enable tracking on a sub-pixel basis. The choice of adaptive mask technology is very dependent on both the spectral region of interest and the configuration of the coded aperture camera. Transmissive masks can be based on liquid crystal, micro-machined air-spaced Fabry-Perot cavities or even phase-change materials, whilst reflective masks can be based on liquid crystal on silicon (LCOS) or MEMS tip-tilt mirrors. Such components can also provide the basis for discriminative imaging. This paper provides a review of the various technologies and assesses performance levels in relation to different applications.

Paper Details

Date Published: 27 August 2010
PDF: 9 pages
Proc. SPIE 7818, Adaptive Coded Aperture Imaging, Non-Imaging, and Unconventional Imaging Sensor Systems II, 781803 (27 August 2010); doi: 10.1117/12.862859
Show Author Affiliations
Keith Lewis, Sciovis Ltd. (United Kingdom)


Published in SPIE Proceedings Vol. 7818:
Adaptive Coded Aperture Imaging, Non-Imaging, and Unconventional Imaging Sensor Systems II
Jean J. Dolne; Stanley Rogers; Thomas J. Karr; David P. Casasent; Victor L. Gamiz, Editor(s)

© SPIE. Terms of Use
Back to Top