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Proceedings Paper

Joint transform optical correlation applied to sub-pixel image registration
Author(s): Thomas J. Grycewicz; Brian E. Evans; Cheryl S. Lau
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Paper Abstract

The binary joint transform correlator (BJTC) can provide sub-pixel correlation location accuracy for a pair of almost identical inputs, as is the case when computing the registration offset between two overlapping images from the same sensor. Applications include noise cancellation, motion compensation, super-resolution processing, and image splicing. We experimentally demonstrated sub-pixel registration and image co-addition. Our results show a resolution improves by a factor of almost two compared to normal integration. This paper details early results in an ongoing project.

Paper Details

Date Published: 10 September 2005
PDF: 9 pages
Proc. SPIE 5908, Optical Information Systems III, 59080Z (10 September 2005); doi: 10.1117/12.620809
Show Author Affiliations
Thomas J. Grycewicz, The Aerospace Corp. (United States)
Brian E. Evans, The Aerospace Corp. (United States)
Virginia Tech (United States)
Cheryl S. Lau, The Aerospace Corp. (United States)
Columbia Univ. (United States)


Published in SPIE Proceedings Vol. 5908:
Optical Information Systems III
Bahram Javidi; Demetri Psaltis, Editor(s)

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