ISO 12641-2:2019 PDF

Graphic technology — Prepress digital data exchange — Part 2: Advanced colour targets for input scanner calibration

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Title (English):

ISO 12641-2:2019

Graphic technology — Prepress digital data exchange — Part 2: Advanced colour targets for input scanner calibration

Document status:: Active
Format:: Electronic (PDF)
Number of pages:: 23
Publication date:: December 11, 2019
Edition:: ISO IS 12641 edition 1 version 1
ICS:: 35.240.30

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Description (English):

This document defines a framework for advanced reflective and transmissive layouts and colorimetric values of targets for use in the calibration and characterization of image capturing devices. This document defines a framework for target creation and data reporting. This framework can be used for both ISO defined and custom targets for both reflective and transmissive use. Self-emissive targets are not covered by this document.

Technical details

Technical committee: ISO/TC 130 - Graphic technology
SKU: ISO 12641-2:2019

Abstract

Overview

ISO 12641-2:2019 - Graphic technology - Prepress digital data exchange - Part 2: Advanced colour targets for input scanner calibration defines a framework for creating, measuring and reporting reflective and transmissive advanced targets used to calibrate and characterize image-capturing devices. It complements ISO 12641-1 by addressing modern requirements for higher colour fidelity (especially darker, saturated and pastel patches) and mandates modern data-exchange formats (CxF/X-2) for target metadata and measurements.

Key topics and technical requirements

Scope: Framework for advanced target layouts and colorimetric values for scanners, digital cameras and other input devices (self-emissive targets not covered unless simulated).
Colorimetry basis: Measurements referenced to D50 illuminant and the CIE 1931 2° Standard Observer; colorimetric computation in accordance with ISO 13655.
Target design & layout:
- Main body (sampled colour area) + identification section; rectangular planar shapes for x–y scanners.
- Minimum patch count: greater than 288 patches.
- Minimum patch size: 2 mm × 2 mm.
- Non-patch areas must be neutral (max CIELAB C = 3.5*, lightness ~50, with ∆E*

Related standards

Mentioned in the description and other ISO standards

Overview

Key topics and technical requirements

Scope: Framework for advanced target layouts and colorimetric values for scanners, digital cameras and other input devices (self-emissive targets not covered unless simulated).
Colorimetry basis: Measurements referenced to D50 illuminant and the CIE 1931 2° Standard Observer; colorimetric computation in accordance with ISO 13655.
Target design & layout:
- Main body (sampled colour area) + identification section; rectangular planar shapes for x–y scanners.
- Minimum patch count: greater than 288 patches.
- Minimum patch size: 2 mm × 2 mm.
- Non-patch areas must be neutral (max CIELAB C = 3.5*, lightness ~50, with ∆E*

ISO 12641-2:2019 PDF

Technical details

Abstract

Overview

Key topics and technical requirements

Related standards

Abstract

Overview

Key topics and technical requirements

Related standards

Graphic technology - Prepress digital data exchange - Part 1: Colour targets for input scanner calibration

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