The proposed approach is simple and effective, it can achieve an accuracy up to sub-pixels.
该方法简单有效，可以达到子像素级配准精度。
The precision can be brought to the order of sub-pixels by this algorithm and the mean error of diopter is less than 0.25d.
中心提取精度达到亚像素级，利用标准球验证算法精度，屈光度误差小于0.25D。
The first address electrode is assigned to two of the three sub-pixels and the second address electrode is assigned to the remaining sub-pixel.
第一寻址电极被分配给三个子像素中的两个，第二寻址电极被分配给其余的子像素。
But the motion compensated pixels in frame 1 have sub-pixel positional errors.
但是帧1中经过运动补偿的像素具有子像素位置误差。
The standard MMI method makes use of the statistical property of image voxels and pixels and arrives perfect results of registration, up to sub-voxel level.
经典的最大互信息方法利用图像像素或体素灰度的统计特性很好地实现了配准的目的，使配准结果达到亚像素级；
Then, multifractal analysis is performed for low frequency sub-band. The multifractal spectrum is used as the characteristic parameters to filter pixels which mark different scenery.
然后对低频子带进行多重分形特性分析，再将多重分形谱作为特征参量进行像素筛选，筛选出标志不同景物的像素点。
Then, multifractal analysis is performed for low frequency sub-band. The multifractal spectrum is used as the characteristic parameters to filter pixels which mark different scenery.
然后对低频子带进行多重分形特性分析，再将多重分形谱作为特征参量进行像素筛选，筛选出标志不同景物的像素点。
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