信息技术 - 连续色调静止图像的可扩展压缩和编码 - 第4部分:一致性测试

[中文适用范围]： 本文档指定了符合 ISO/IEC 18477 一个或多个部分的框架、概念、测试方法和所需达到的标准。它提供了一个框架，用于指定抽象测试套件并定义一致性测试期间要遵循的程序。 [外文原描述]： ISO/IEC 18477-4:2017 specifies the framework, concepts, methodology for testing, and criteria to be achieved to claim conformance to one or multiple parts of ISO/IEC 18477 as listed below. It provides a framework for specifying abstract test suites and for defining the procedures to be followed during conformance testing. ISO/IEC 18477-4:2017 - specifies conformance testing procedures for decoding of ISO/IEC 18477‑1, 18477-2, ISO/IEC 18477‑6, ISO/IEC 18477‑7, ISO/IEC 18477‑8 and ISO/IEC 18477‑9, - specifies conformance testing procedures for codestreams to the above International Standards, - specifies codestreams, decoded images, and error metrics to be used within the decoder testing procedures, and - specifies abstract test suites.