MPEG-4中的Sprite编码技术及其发展

Technology and Development of Sprite Coding in MPEG-4

Sprite视频编码技术在MPEG-4中应用广泛,是其核心技术之一。Sprite编码技术将图像的镶嵌和图形的几何变换应用到压缩中,能有效地描述背景等一些特定的图像。介绍了Sprite概念、几种构建背景Sprite的方法以及Sprite编码技术在国内外的发展。

Sprite video coding is widely used in MPEG-4, it is one of core technologies. Mosaic and transformation are used in Sprite coding technology, and describe specialized image such as background effectively. This paper introduces the conception of Sprite, methods of creating background Sprite and the development of Sprite coding in our country and other countries.