BSI PD ISO/TS 18621-31:2020
$189.07
Graphic technology. Image quality evaluation methods for printed matter – Evaluation of the perceived resolution of printing systems with the Contrast–Resolution chart
| Published By | Publication Date | Number of Pages |
| BSI | 2020 | 48 |
This document specifies the Contrast–Resolution test chart, the requirements on the printing process needed to reproduce this test chart, the required characteristics of a high resolution scanner needed to digitize the information reproduced on printed test charts, and the requirements on the interpretation of this digitized data. It also specifies the resolution-score method for evaluating the perceptual resolution of printed material using the Contrast–Resolution test chart.
The procedure specified in this document is intended for a characterization of the perceived resolution of a graphic arts production printing system using the Contrast–Resolution test chart.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 2 | National foreword |
| 6 | Foreword |
| 7 | Introduction |
| 13 | 1 Scope 2 Normative references 3 Terms and definitions |
| 15 | 4 Requirements 4.1 General 4.2 Apparatus requirements 4.2.1 Printing system requirements 4.2.2 Scanning system requirements 4.3 Procedure 4.3.1 Test chart |
| 16 | 4.3.2 Evaluation intent |
| 17 | 4.3.3 Printing and scanning |
| 18 | 4.3.4 Evaluation process 5 Resolution-Score processing 5.1 General 5.2 Element identification 5.3 Scanning signal interpretation 5.4 Spatial filtering |
| 19 | 5.5 Normalized 2-D cross-correlation |
| 20 | 5.6 Resolution-score computation |
| 24 | 6 Reporting |
| 26 | Annex A (normative) Test chart and reference files — Availability |
| 29 | Annex B (normative) Printing process and data path requirements |
| 33 | Annex C (normative) Linearization |
| 35 | Annex D (normative) Scanner conformance requirements |
| 41 | Annex E (normative) Evaluation process conformance |
| 43 | Annex F (normative) Spatial filter |
| 47 | Bibliography |
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