Digital camera resolution measurement using sinusoidal siemens stars

被引：38

作者：

Loebich, Christian ^{[1
]}

Wueller, Dietmar ^{[1
]}

Klingen, Bruno ^{[1
]}

Jaeger, Anke ^{[1
]}

机构：

[1] Image Engn, Augustinusstr 9D, D-50226 Frechen, Germany

来源：

DIGITAL PHOTOGRAPHY III | 2007年 / 6502卷

关键词：

modulated siemens star; MTF; SFR; contrast function; camera resolution measurement;

D O I：

10.1117/12.703817

中图分类号：

TB8 [摄影技术];

学科分类号：

0804 ;

摘要：

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 Bums and Williams(1) and standardized in ISO 12233(2) 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.

引用

页数：11

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