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Specification
ISO/TS 18621-22
First edition
Graphic technology — Image quality
2024-05
evaluation methods for printed
matter —
Part 22:
Evaluation of colour graininess
Reference number
ISO/TS 18621-22:2024(en) © ISO 2024
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ISO/TS 18621-22:2024(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 18621-22:2024(en)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Requirements . 2
4.1 Principles .2
4.2 Apparatus .2
4.3 Procedure .2
4.3.1 Testform .2
4.3.2 Printing and measuring .2
4.4 Evaluation .3
4.5 Reporting .4
Annex A (informative) Interpreting graininess, S . 6
CG
Annex B (informative) Spatial filter . 7
Bibliography . 9
© ISO 2024 – All rights reserved
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ISO/TS 18621-22:2024(en)
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of
...