It is necessary to study the spatial redundancy of compressed images and reduce the random selection of image compression methods.

对被压缩图象的空间冗余度这一图象的本质属性进行研究、减少图象压缩及方法选择时的盲目性是非常必要的。

youdao

The method and apparatus comprises transmitting a packet and a redundant packet according to spatial, time and frequency diversity to enhance the redundancy error processing.

所述方法和设备包括根据空间，时间和频率分集来传输分组和冗余分组，以增强冗余错误处理。

youdao

A nine-intersection model is a common one used to represent the topological relations between 3d spatial objects, but it has a problem of great redundancy.

交模型是一种表达三维空间拓扑关系的常用方法，但存在着冗余度大等问题。

youdao