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ISO 20462-1:2005

Photography — Psychophysical experimental methods for estimating image quality — Part 1: Overview of psychophysical elements

Nov 10, 2005

General information

90.60     Jun 5, 2025

ISO

ISO/TC 42

International Standard

37.040.01  

English  

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Scope

ISO 20462-1:2005 is part of a three-part standard pertaining to the subjective evaluation of pictorial still image quality. ISO 20462-1:2005 defines the units by which image quality is quantified (just noticeable differences, or JNDs); describes the influence of stimulus properties, observer characteristics, and task instructions on results obtained from rating experiments; and provides a flow chart for choosing the preferred psychophysical method for determining image quality from among those defined in subsequent parts of ISO 20462.

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PUBLISHED
ISO 20462-1:2005
90.60 Close of review
Jun 5, 2025