Firstly, the thesis introduced the DICOM RT standard, including its mainframe and basic contents, and specified its information model, data coding, structure and characteristics.
本文首先介绍了DICOM RT标准的总体框架和基本内容，对信息模型、数据编码、内容结构和主要特点进行了重点阐述。
Firstly, we provide an overview of MPEG-4 video compression encoding standard, chiefly introduce the basic coding principle and encoding scheme based on content.
本文首先对MPEG - 4编码标准原理进行了综述，并介绍了该标准的基本编码原理和基于内容的编码体系。
应用推荐