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ISO 20462-3:2005
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Photography -- Psychophysical experimental methods for estimating image quality -- Part 3: Quality ruler method

This standard has been revised by: ISO 20462-3:2012

Abstract

ISO 20462-3:2005 specifies: the nature of a quality ruler; hardcopy and softcopy implementations of quality rulers; how quality rulers may be generated or obtained; and the standard quality scale (SQS), a fixed numerical scale that may be measured using quality rulers.

 

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