Digital camera resolution measurements using sinusoidal Siemens stars

Christian Loebich; Dietmar Wueller; Bruno Klingen; Anke Jaeger

doi:10.1117/12.703817

20 February 2007 Digital camera resolution measurement using sinusoidal Siemens stars

Christian Loebich, Dietmar Wueller, Bruno Klingen, Anke Jaeger

Proceedings Volume 6502, Digital Photography III; 65020N (2007) https://doi.org/10.1117/12.703817
Event: Electronic Imaging 2007, 2007, San Jose, CA, United States

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.

Citation Download Citation

Christian Loebich, Dietmar Wueller, Bruno Klingen, and Anke Jaeger "Digital camera resolution measurement using sinusoidal Siemens stars", Proc. SPIE 6502, Digital Photography III, 65020N (20 February 2007); https://doi.org/10.1117/12.703817

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