Photography -- Psychophysical experimental methods for estimating image quality -- Part 3: Quality ruler method
This standard has been revised by ISO 20462-3:2012
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.
A standard is reviewed every 5 years
Revisions / Corrigenda