信息技术用户界面组件可访问性第11部分:图像文本替代指南

[中文适用范围]： 本文档提供了有关如何创建替代文本以及在替代文本中应包含哪些信息的指南。本文档适用于任何类型的电子文档中使用的所有静态图像。它也适用于幻灯片中的单个图像。本文档不适用于动态图像（例如电影）。 [外文原描述]： This document gives guidance on how to create text alternatives and what information to put in text alternatives. This document applies to all static images that are used in any type of electronic document. It also applies to individual images within a slide show. This document does not apply to moving images (e.g. movies). NOTE 1 While text alternatives can be implemented via various mechanisms in various types of electronic documents, the contents of this document are not dependent on the choice of implementation mechanism or of electronic document type. NOTE 2 Guidance on making moving images accessible is contained in ISO/IEC TS 20071-21, ISO/IEC 20071-23 and ISO/IEC 20071-25.