one dimensional filtering 一维滤波
two dimensional wiener filtering 二维维纳滤波
two dimensional kalman filtering 二维kalman滤波
two-dimensional digital filtering 二维数字滤波
In each mode, proper one-dimensional filtering operations are performed across the block boundary along the horizontal and vertical directions, respectively.
在每一个模式下，分别对水平和竖直边沿进行一维滤波操作。
The main points of this paper were- the table of the phase-shift factors, the variation of the continuation step length and the technique of the two-dimensional filtering.
重点介绍了提高执行效率所采用的相移因子造表，变延拓步长，二维滤波等几种方法和试验结果。
Improvement to the old method formulated in this paper mainly lies in the combination of phase displacement method with frequency two-dimensional filtering in making operation.
本文对原方法的主要改进点是把相位移法与频率域二维滤波结合在一起进行运算。
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