标准摘要
[中文适用范围]： 本文件规定了一种称为 JPEG XT 的编码格式，该格式主要用于连续色调摄影图像内容。 [外文原描述]： ISO/IEC 18477-9:2016 specifies a coding format, referred to as JPEG XT, which is designed primarily for continuous-tone photographic content.
英文名称Information technology - Scalable compression and coding of continuous-tone still images - Part 9: Alpha channel coding