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Specification
ISO/TS 18621-31
Second edition
Graphic technology — Image quality
2024-01
evaluation methods for printed
matter —
Part 31:
Evaluation of the perceived
resolution of printing systems with
the Contrast–Resolution chart
Technologie graphique — Méthodes d’évaluation de la qualité
d’image pour les imprimés —
Partie 31: Évaluation de la résolution perçue des systèmes
d’impression avec un graphique de contraste–résolution
Reference number
ISO/TS 18621-31:2024(en) © ISO 2024
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ISO/TS 18621-31:2024(en)
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© ISO 2024
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Published in Switzerland
© ISO 2024 – All rights reserved
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ISO/TS 18621-31:2024(en)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Requirements . 3
4.1 General .3
4.2 Apparatus requirements .3
4.2.1 Printing system requirements .3
4.2.2 Scanning system requirements.3
4.3 Procedure .3
4.3.1 Test chart.3
4.3.2 Evaluation intent .4
4.3.3 Printing and scanning .5
4.3.4 Evaluation process.6
5 Resolution-Score processing . 6
5.1 General .
...