In this paper, we introduce the common subpixel techniques and use them in grid mesurement.
本文介绍了常用的正像素图像处理技术，并将其应用于网格测量方法；
The contrast result provided a reliable basis for selecting subpixel edge detections in practice.
分析和讨论的结果为亚像素边缘定位技术的选取提供可靠依据。
Numerical results show that the phase correlation method can be applied to subpixel target location of digital images.
结果显示，相位相关方法可以运用于数字图像的亚像元目标定位问题。
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