ISO 21496-1:2025

International Standard   Current Edition · Approved on 07 July 2025

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

ISO 21496-1:2025 Files

null Pages
Current Edition

ISO 21496-1:2025 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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