ISO 12641-1:2016 PDF

Name: ISO 12641-1:2016 — Graphic technology — Prepress digital data exchange — Colour targets for input scanner calibration — Part 1: Colour targets for input scanner calibration
SKU: ISO 12641-1:2016
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Graphic technology — Prepress digital data exchange — Colour targets for input scanner calibration — Part 1: Colour targets for input scanner calibration

Название (английский):

ISO 12641-1:2016

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

Статус документа:: Отменён
Формат:: Электронный (PDF)
Количество страниц:: 31
Дата публикации:: 2 мая 2016 г.
Издание:: ISO IS 12641 edition 1 version 1
ICS:: 35.240.30

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Описание (английский):

ISO 12641-1:2016 defines the layout and colorimetric values of targets for use in the calibration of a photographic product/input scanner combination (as used in the preparatory process for printing and publishing). One target is defined for positive colour transparency film and another is defined for colour photographic paper.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

ISO 12641-1:2016 - Graphic technology - Prepress digital data exchange - Colour targets for input scanner calibration - defines the layout and colourimetric values of standardized colour targets used to calibrate photographic product / input scanner combinations (positive colour transparency film and colour photographic paper). It provides a consistent reference for colour input calibration in the preparatory process for printing and publishing, enabling repeatable colour capture across scanners and media.

Key topics and technical requirements

Target design and layout: Specifies the physical arrangement and construction of transmission (transparency) and reflection (paper) targets, including a vendor‑optional area for manufacturer-specific patches.

Colour specification using CIELAB: Aim values and tolerancing are defined in the CIE 1976 (Lab*) space; colour differences are expressed as ∆E*ab for consistent evaluation.

Patch sizing and gamut mapping: Requirements for patch size, multi‑level lightness/chroma/hue sampling and a common gamut strategy (based on manufacturer dye data reduced to an 80% common gamut). Annex A provides computational reference material for gamut mapping.

Neutral and dye scales: Includes scales for individual dyes, dye pairs and neutrals plus minimum/maximum density regions to characterise product-specific dye behaviour.

Manufacturing tolerances: Separate tolerances for uncalibrated vs calibrated targets to balance production feasibility with numerical calibration needs.

Spectral measurement & colorimetric computation: Measurement geometries and reference conditions are specified (e.g., CIE 2° observer, D illuminant, diffuse/normal and 0°/45° or 45°/0° geometries as per ISO 13655).

Data reporting and file format: Rules for reporting measured values, keyword syntax and data file identifiers for digital exchange.

Useable target life: Guidance on the expected lifetime and stability considerations for targets in practical use.

Informative annexes: Annex A (gamut mapping) and Annex B (application notes) assist implementation.

Applications

Calibrating input scanners to ensure accurate, repeatable colour capture from film and photographic paper.

Creating scanner profiles and color-management workflows for prepress, digital archiving and high-fidelity reproduction.

Quality control for target manufacturers and print service providers to verify target conformance.

Standardizing colour data exchange between scanner vendors, film/paper manufacturers and service bureaus.

Related standards

ISO 13655 (spectral measurement and colorimetric computation for graphic arts)

ISO 1008, ISO 1012 (photographic sheet/film dimensions)

ANSI IT8.7/1 and IT8.7/2 (historic equivalents referenced in the standard)

Keywords: ISO 12641-1:2016, input scanner calibration, colour targets, CIELAB, gamut mapping, prepress, colour calibration targets, spectral measurement, scanner profiling.

ISO 12641-1:2016 PDF

Abstract

Похожие стандарты

Overview

Key topics and technical requirements

Applications

Who should use this standard

Related standards

Технические детали

BS ISO 13655:2017

Graphic technology. Spectral measurement and colorimetric computation for graphic arts images.

SIST ISO 1008:2026

Photography - Unprocessed photographic papers - Sheet dimensions

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