absolute vector address 绝对向量地址
absolute curvature vector 绝对曲率向量
absolute value of a vector [数] 向量绝对值
absolute e vector 绝对向量
absolute value of vector 矢量绝对值
By using calibrated image, it can measure plane absolute displacement of worktable automatically via feature point extraction and gray vector matching.
该方法采用事先通过标定的图像，对自然标志(特征点)的提取和基于灰度向量匹配来完成绝对位移的测量。
The other kind of feature points are those where the absolute value of the scalar product of its normal vector and the view vector is less than a threshold.
另一类特征点是由法向量和视线向量的内积决定的，内积小于给定阈值的点称为特征点。
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