摘要
随着互联网的普及,人们对信息的需求尤其是多媒体信息的需求日益增长。为保障大容量的多媒体数据在互联网上的有效传输,必须对多媒体数据进行压缩处理。利用有损压缩‘和无损压缩方法,对图像、音频、视频等多媒体数据进行压缩,形成联合图像专家组JPEG和运动图像专家组MPEG等常用压缩标准。
With the widespread popularity of Internet, the demand for information, especially multimedia information has keep rising. To protect the large capacity multimedia data to transmit on the internet effectively, we must compress the multimedia data. multimedia data such as images, audio frequency, video are compressed by the loss and lossless compression. The common compression on standards include JPEG,MPEG and so on.
出处
《漯河职业技术学院学报》
2008年第2期65-66,共2页
Journal of Luohe Vocational Technical College
关键词
多媒体
数据压缩
压缩标准
Multimedia
Data compressing
Loss compression
Lossless compression
Data compression standard