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Optical Engineering

Complex sidelobe removal by a multichannel procedure
Author(s): Mario Montes-Usategui; Juan Carlos Campos Rubio; Josue Sallent; Ignacio Prades Juvells
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Paper Abstract

The determination of the position of an image inside a complex scene by means of correlation is sometimes difficult owing to the appearance of spurious peaks. When the lateral peaks are lower than the central correlation, they can be eliminated simply by binarizing the output plane by a threshold function. However, if this is not the case, we have to use special filter designs, which suffer from such difficulties as a low optical efficiency. In this paper we present a new possibility for eliminating the lateral peaks through the combined action of several filters that can be used to correct the problem in a wide range of situations.

Paper Details

Date Published: 1 February 1996
PDF: 11 pages
Opt. Eng. 35(2) doi: 10.1117/1.600925
Published in: Optical Engineering Volume 35, Issue 2
Show Author Affiliations
Mario Montes-Usategui, NASA Johnson Space Center (Spain)
Juan Carlos Campos Rubio, Univ. Autonoma de Barcelona (Brazil)
Josue Sallent, Univ. de Barcelona (Spain)
Ignacio Prades Juvells, Univ. de Barcelona (Spain)


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