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line correspondences
相关语句
  对应直线
     Deriving Extrinsic Parameters of Camera from Line Correspondences
     利用对应直线求取摄像机外部参数
短句来源
  直线对应
     (2) When the space lines are all horizontal ones, the minimum number of line correspondences is 3 for linear and non linear determination of the robot's pose.
     (3)当空间直线都垂直于机器人运动平面时,至少需要三组直线对应对才能非线性求解机器人的位置与朝向;
短句来源
     Moreover, this paper obtains the necessary and sufficient condition to determine the robot's pose by three line correspondences.
     (4) 当空间直线都平行于机器人运动平面时,同样至少需要三组直线对应对才能非线性求解机器人的位置与朝向.
短句来源
  “line correspondences”译为未确定词的双语例句
     Analysis of the Coefficient Matrix in Camera Calibration with Line Correspondences
     直线摄像机参数校正过程中系数矩阵特性的分析
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  相似匹配句对
     On-line
     行业在线
短句来源
     On line
     行业在线
短句来源
     Deriving Extrinsic Parameters of Camera from Line Correspondences
     利用对应直线求取摄像机外部参数
短句来源
     Analysis of the Coefficient Matrix in Camera Calibration with Line Correspondences
     直线摄像机参数校正过程中系数矩阵特性的分析
短句来源
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  line correspondences
In particular, the trifocal tensor may be computed by a linear algorithm from a set of 13 line correspondences in three views.
      
In the present paper we address the problem of computing structure and motion, given a set point and/or line correspondences, in a monocular image sequence, when the camera is not calibrated.
      
In this paper we present a method for optimally estimating the rotation and translation between a camera and a 3-D object from point and/or line correspondences.
      
Object pose from 2-D to 3-D point and line correspondences
      
Then, a theory is presented that describes a closed form solution to the motion and structure determination problem from line correspondences in three views.
      
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This paper discusses some problems of motion estimation based on line correspondences. When lines on parallel planes undergo a 3D rigid motion, five line correspondences over two frames can determine the parameters of rotation matrix and the normal of parallel planes. Wu’s Method is used in solving these parameters. Furthermore, if at least eight line correspondences over two frames are known, then these parameters can be obtained by the singular value decomposition of a matrix which...

This paper discusses some problems of motion estimation based on line correspondences. When lines on parallel planes undergo a 3D rigid motion, five line correspondences over two frames can determine the parameters of rotation matrix and the normal of parallel planes. Wu’s Method is used in solving these parameters. Furthermore, if at least eight line correspondences over two frames are known, then these parameters can be obtained by the singular value decomposition of a matrix which may be computed linearly. Finally, after these parameters are determined, the translation vector satisfies a set of linear equations.

本文讨论了基于直线对应的一些运动估计问题.当位于平行平面上的一组直线作刚体运动时,两帧图象的5条直线对应关系可以确定旋转参数和平行平面的法向量,其求解可以通过吴消元法得到.本文还引进了一个“中间矩阵”,它可以通过两帧图象的8条直线对应关系线性地解出.并且,旋转参数和平面的法向量可由“中间矩阵”的奇异值分解确定.平移参数可以利用已求得的旋转参数和平面法向量线性解出

Vertical and horizontal lines have been privileged for robot self location in the literature due to their wide availability in robot working environments. However, in this work, the vertical and horizontal lines provide less useful information for the determination of the robot's pose. More specifically, these conclusion are showed: (1) When the space lines are all vertical ones, it is impossible to determine linearly the robot's pose no matter how many line correspondences you have, and the minimum...

Vertical and horizontal lines have been privileged for robot self location in the literature due to their wide availability in robot working environments. However, in this work, the vertical and horizontal lines provide less useful information for the determination of the robot's pose. More specifically, these conclusion are showed: (1) When the space lines are all vertical ones, it is impossible to determine linearly the robot's pose no matter how many line correspondences you have, and the minimum number of line correspondences is 3 to determine uniquely (but non linearly) the robot's pose. (2) When the space lines are all horizontal ones, the minimum number of line correspondences is 3 for linear and non linear determination of the robot's pose. Moreover, this paper obtains the necessary and sufficient condition to determine the robot's pose by three line correspondences.

对基于垂线和水平线的机器人自定位问题进行了系统的研究.所得主要结论如下: (1) 当空间直线都垂直于机器人运动平面时,机器人的位置与朝向无法线性求解;(2) 当空间直线都平行于机器人运动平面时,至少需要三组直线对应对(一组直线对应对由一条空间直线和对应的图像直线构成;垂直直线对应对是指空间直线为垂线的直线对应对;水平直线对应对是指空间直线为水平线的直线对应对)才能线性求解机器人的位置与朝向;(3)当空间直线都垂直于机器人运动平面时,至少需要三组直线对应对才能非线性求解机器人的位置与朝向;(4) 当空间直线都平行于机器人运动平面时,同样至少需要三组直线对应对才能非线性求解机器人的位置与朝向.

In camera calibration with line correspondences, it is important to determine the rank of the coefficient matrix of the equation system in a quick and efficient way. Based on the analysis of this matrix, the constraints for the coefficient matrix were got. Setting out from this conclusion, a sufficiency condition for estimating the rank of this matrix was obtained. With the help of this condition, we no longer need to perform singular value decomposition (SVD) as each new correspondence enters, therefore,...

In camera calibration with line correspondences, it is important to determine the rank of the coefficient matrix of the equation system in a quick and efficient way. Based on the analysis of this matrix, the constraints for the coefficient matrix were got. Setting out from this conclusion, a sufficiency condition for estimating the rank of this matrix was obtained. With the help of this condition, we no longer need to perform singular value decomposition (SVD) as each new correspondence enters, therefore, the overall computation time can be greatly reduced. Also, it enables more objective selection of the line correspondences.

探讨在利用对应直线进行摄像机外部参数校正的过程中,如何快速简便地确定齐次方程组系数矩阵秩的问题.通过对该系数矩阵的分析,得到关于此矩阵的约束条件,并在此基础上,推导了判断此矩阵秩的大小的一个充分条件.利用这一结论,避免在参数计算过程中多次对矩阵进行奇异值分解,从而使计算过程大为简化,而且也使选取对应直线的过程变得更有目的性.

 
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