采用基于灰度质心法的径向截面扫描法对图像边缘进行亚像素级检测；
Applying the radial section scanning method based on gray centroid, the image edges are tested with a sub-pixel precision.
对每一个网格节点进行亚像素处理，在相邻的网格区间节点上用标准差值对照法确定分段线性直线方程。
We handle every grid node with sub-pixel orientation method and find out subsection linearity equation between every space grid interval by standard difference contrasting method.
实验中分别应用了爬山搜索法和相关系数拟合法来分别搜索整像素的位移和亚像素的位移。
In the experiment, a mountain-climbing searching method and a curve-fitting method were employed to determine the integral pixel displacement and the sub-pixel displacement respectively.
利用理想光条法，比较了几种有代表性的亚像素算法对于圆弧状边缘的定位能力。
Through ideal light bar method, some representative sub-pixel algorithm were compared for the capability of positioning circular arc edge.
针对心脏磁共振时间序列图像，提出了一种结合力矩主轴法与互信息法的序列图像亚像素配准新方法。
For heart MRI time-series images, an improved sub pixel match approach based on cross-weighted moments and mutual information is presented, which adopts mixed registration strategies.
针对心脏磁共振时间序列图像，提出了一种结合力矩主轴法与互信息法的序列图像亚像素配准新方法。
For heart MRI time-series images, an improved sub pixel match approach based on cross-weighted moments and mutual information is presented, which adopts mixed registration strategies.
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