标准摘要
[中文适用范围]： 本文件指定了有助于JPEG标准系统层的隐私和安全功能，并贡献了通用结构，这些结构可以应用于所有基于箱的文件格式。特别是，本文件定义了支持隐私和安全功能的信号语法框架。本文件中的框架与现有JPEG标准向后兼容。 [外文原描述]： This document specifies privacy and security features which contribute to a system layer for JPEG standards. It defines generic structures that can be applied in all JPEG box-based file formats. In particular, this document specifies a signalling syntax supporting privacy and security features. The framework in this document is backwards-compatible with existing JPEG standards.
英文名称Information technologies - JPEG systems - Part 4: Privacy and security