The lossy compression method leads to the information lost in some sense, so through this way, we could get the higher compression rate.

• 有损压缩允许一定程度的信息丢失，在满足实际应用的条件下能够取得非常高的压缩比，因而在多媒体交互式系统、视频传输业务和家庭娱乐等领域得到了广泛的应用。