AR-modeling and low bit rate encoding of motion-compensated frame differences

被引：0
|
作者：
Brunig, M [1 ]
Niehsen, W [1 ]
机构：
[1] Rhein Westfal TH Aachen, Inst Elekt Nachrichtentechn, D-52056 Aachen, Germany
来源：
VISUAL COMMUNICATIONS AND IMAGE PROCESSING '98, PTS 1 AND 2 | 1997年 / 3309卷
关键词：
AR-modeling; low bit rate video coding; hybrid coding scheme; H.263;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
The hybrid coding scheme is modified. The discrete cosine transform used for encoding displaced frame differences is replaced by a predefined set of transform matrices based on autoregressive models up to the fourth order. The autoregressive models are parameterized using reflection coefficients. It is shown that the coding efficiency can be improved though side information for the chosen transform has to be transmitted to the decoder.
引用
收藏
页码：583 / 590
页数：8
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