Layered self-identifiable and scalable video codec for delivery to heterogeneous receivers

被引：0
|
作者：
Feng, W [1 ]
Kassim, AA [1 ]
Tham, CK [1 ]
机构：
[1] Natl Univ Singapore, Dept Elect & Comp Engn, Singapore 119260, Singapore
来源：
VISUAL COMMUNICATIONS AND IMAGE PROCESSING 2003, PTS 1-3 | 2003年 / 5150卷
关键词：
multi-resolutional scalability; CSPIHT; automatic adaptive video streaming; layered coding; heterogeneous receivers;
D O I：
10.1117/12.503021
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
This paper describes the development of a layered structure of a multi-resolutional scalable video codec based on the Color Set Partitioning in Hierarchical Trees (CSPIHT) scheme. The new structure is designed in such a way that it supports the network Quality of Service (QoS) by allowing packet marking in a real-time layered multicast system with heterogeneous clients. Also, it provides (spatial) resolution/ frame rate scalability from one embedded bit stream. The codec is self-identifiable since it labels the encoded bit stream according to the resolution. We also introduce asymmetry to the CSPIHT encoder and decoder which makes it possible to decode lossy bit streams at heterogeneous clients.
引用
收藏
页码：180 / 188
页数：9
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