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Proceedings Paper

Digital camera resolution measurements using sinusoidal Siemens stars
Author(s): Christian Loebich; Dietmar Wueller; Bruno Klingen; Anke Jaeger
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Paper Abstract

The resolution of a digital camera is defined as its ability to reproduce fine detail in an image. To test this ability methods like the Slanted Edge SFR measurement developed by Burns and Williams1 and standardized in ISO 122332 are used. Since this method is - in terms of resolution measurements - only applicable to unsharpened and uncompressed data an additional method described in this paper had to be developed. This method is based on a Sinusoidal Siemens Star which is evaluated on a radius by radius or frequency by frequency basis. For the evaluation a freely available runtime program developed in MATLAB is used which creates the MTF of a camera system as the contrast over the frequency.

Paper Details

Date Published: 20 February 2007
PDF: 11 pages
Proc. SPIE 6502, Digital Photography III, 65020N (20 February 2007); doi: 10.1117/12.703817
Show Author Affiliations
Christian Loebich, Image Engineering (Germany)
Dietmar Wueller, Image Engineering (Germany)
Bruno Klingen, Consultant (Germany)
Anke Jaeger, Canon Deutschland GmbH (Germany)


Published in SPIE Proceedings Vol. 6502:
Digital Photography III
Russel A. Martin; Jeffrey M. DiCarlo; Nitin Sampat, Editor(s)

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