For subpixel precision, it supports quarter-pel motion vectors with a 6-tap interpolation filter.
对于亚像素精度，它支持与六抽头插值滤波器四分之一像素运动矢量。
Centroid: The "center of gravity" of the image of an object, defining the position of the object with subpixel precision.
质心：图片中一个目标的“质心”，精确到比像素更高一级。
The subpixel localization is a key factor to determinate measurement accuracy in using CCD vision measurement system for measuring the size of precision part.
使用CCD成像的机器视觉系统进行精加工零件尺寸检测时，图像轮廓边缘的亚像素定位分析是决定测量精度的一个重要因素。
The experiment results show that the precision of two algorithms is satisfactory and the velocity of the MLS linear regression subpixel localization is faster.
实验结果表明：在低噪声图像中，两种算法的边缘定位精度均达到满意的结果，且最小二乘线性回归亚像素定位算法速度较快。
So subpixel algorithms are at a premium in higher precision measurement.
因此，亚像素精度的算法在高精度的边缘检测中受到重视。
So subpixel algorithms are at a premium in higher precision measurement.
因此，亚像素精度的算法在高精度的边缘检测中受到重视。
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