...重心法 [gap=994];3D-coordinate measurement system using light-pen;binocular stereoscopic vision;method of barycenter ...
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The sub-pixel accuracy in abstracting the fringe-centerlines can be obtained by the method of barycenter after preprocessing the fringe picture using grating projection.
精确地获得光栅条纹中心线的相对偏移量，在三角形法测量物体三维轮廓技术中占有非常重要的地位。
The method of barycenter, which can obtain the sub-pixel accuracy to abstract the fringe-centerlines, is presented in this paper after preprocessing the picture using grating projection.
本文对光栅投影条纹图像进行预处理，提出采用重心法提取条纹中心线位置，可以获得亚像素级的精度；
It is concluded that the weight feedback method is a feasible and effective way to measure the barycenter of a fire vehicle.
结果表明，采用“重量反应法”测定消防车质心位置是一种可行的有效方法。
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