To overcome the impacts of nonparallelism of 3drotation and laser speckle on the accuracy of measurement, modification is made by slope fitting of the laser blade.
针对三维转动的不平行度和激光散斑的影响，提出了激光刀口斜率拟合校正法。
2
3d absolute coordinates of the points after the shift and rotation.
在转换和旋转后点的三维绝对坐标。
3
Based on the unit quaternion decomposition of rotation matrix, this paper puts forward an algorithm to estimate motion parameters from the space position vectors of 3d feature points.