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  4. 3.01 Contributi in Atti di convegno
Please use this identifier to cite or link to this item: http://hdl.handle.net/20.500.12386/23085
Title: Distortion definition and correction in off-axis systems
Authors: Da Deppo, Vania
SIMIONI, EMANUELE 
Naletto, Giampiero
CREMONESE, Gabriele 
Issue Date: 2015
Volume: Optical Systems Design 2015: Optical Design and Engineering VI
Editors: Mazuray,Laurent; Wartmann, Rolf; Wood, Andrew P.
Series: PROCEEDINGS OF SPIE 
Number: 9626
First Page: 962634
Abstract: Off-axis optical configurations are becoming more and more used in a variety of applications, in particular they are the most preferred solution for cameras devoted to Solar System planets and small bodies (i.e. asteroids and comets) study. Off-axis designs, being devoid of central obstruction, are able to guarantee better PSF and MTF performance, and thus higher contrast imaging capabilities with respect to classical on-axis designs. In particular they are suitable for observing extended targets with intrinsic low contrast features, or scenes where a high dynamical signal range is present. Classical distortion theory is able to well describe the performance of the on-axis systems, but it has to be adapted for the off-axis case. A proper way to deal with off-axis distortion definition is thus needed together with dedicated techniques to accurately measure and hence remove the distortion effects present in the acquired images. In this paper, a review of the distortion definition for off-axis systems will be given. In particular the method adopted by the authors to deal with the distortion related issues (definition, measure, removal) in some off-axis instruments will be described in detail. <P />
Conference Name: SPIE OPTICAL SYSTEMS DESIGN
Conference Place: Jena/ Germany
Conference Date: 7-10 September 2015
URI: http://hdl.handle.net/20.500.12386/23085
URL: https://www.spiedigitallibrary.org/conference-proceedings-of-spie/9626/1/Distortion-definition-and-correction-in-off-axis-systems/10.1117/12.2191332.full?SSO=1
ISSN: 0277-786X
ISBN: 9781628418156
DOI: 10.1117/12.2191332
Bibcode ADS: 2015SPIE.9626E..34D
Fulltext: open
Appears in Collections:3.01 Contributi in Atti di convegno

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2015_DaDeppo_Distortion definition and correction in off-axis systems.PDFPreliminary distortion analisys for SIMBIO-SYS/STC stereo camera583.72 kBAdobe PDFView/Open
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