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ISO 21496-1:2025

Digital photography — Gain map metadata for image conversion — Part 1: Dynamic range conversion

Publication date:   Jul 7, 2025

General information

60.60   Standard published   Jul 7, 2025

ISO

ISO/TC 42 Photography

International Standard

37.040.99   Other standards related to photography

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Scope

This document defines a gain map used in HDR digital photography applications, for dynamic range conversion between two image representations.
This includes the definition of the gain map metadata and its attributes, how to specify the gain map and associated metadata, and how to apply the gain map using this metadata.

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PUBLISHED
ISO 21496-1:2025
60.60 Standard published
Jul 7, 2025