MPEG-4的验证模型及其图象分割技术  

Verification model for MPEG 4 and its image segmentation technique

作　　者：张颖[1] 张兆扬[1] 高磊[1] 

机构地区：[1]上海大学通信学院

出　　处：《电视技术》1998年第2期2-6,共5页Video Engineering

摘　　要：即将诞生的ＭＰＥＧ－４，除了其高压缩率外，主要特点是对音视频数据采用基于内容的操作、存取及传输。文中阐述ＭＰＥＧ－４的基于内容的特点、灵活及可扩展的结构形式和有效的开发方式——验证模型法。最后简要介绍实现ＭＰＥＧ－４的关键技术之一的图象分割。The MPEG 4 is emerging.In addition to its high compressionthe MPEG 4 is characterized by seven novel functionalities allowing for interactivity,high compression ratio and universal accessibility.This paper describes MPEG 4 about its content based functionalities,flexible and extensible configration and valid developing methodology verification model.Finally,a crucial technique for MPEG 4 image segmentation is briefly introduced.

关 键 词：MPEG-4 多媒体 图象压缩 图象分割技术 

分 类 号：TN919.8[电子电信—通信与信息系统] TN941.1[电子电信—信息与通信工程]