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 3 d-vision system
 AN OPTIMUM ALGORITHM OF THE MATHEMATICAL MODEL FOR THE 3D-VISION SYSTEM 三维视觉系统数学模型优化算法 短句来源 An optimum algorithm of the mathematical model for 3D-vision system is presented according tothe theory of the systematic identification and on the basis of the analysis for the measuring characteristics ofthe 3D-vision system,The practical measuring result shows the precision of the visual system is only lower 0.2%than the sensor resolution。 And in the whole measuring space the precision is nearly the same. 本文根据系统辨识理论，在比较深入分析三维视觉系统观测特性的基础上，提出了一种优化该系统数学模型的非线性迭代算法。 实际测试结果表明，视觉系统的测量精度仅低于视觉传感器分辨率的0．2％，且在整个测量空间，其精度基本一致。 短句来源
 3 d robot vision system
 Based on the above analyses an original 3D robot vision system is conceived to solve theinherent problems of robot vision. 基于此分析,构思了一种新的三维视觉系统,旨在解决机器人视觉的固有问题. 短句来源

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 In this paper,the inherent problems of robot vision are studied.Through the analysis of the presentsituation of robot vision method,it can be concluded thdt:it is difficult for the current vision method to ac-quire information necessary for its robot,to take account of both real-time operation andinterchangeability.Based on the above analyses an original 3D robot vision system is conceived to solve theinherent problems of robot vision. 本文探讨了机器人视觉的固有矛盾,分析了机器人视觉方法的现状,得出:现行的视觉方法难于给出机器人操作必需的信息,难于兼顾实时性与通用性。基于此分析,构思了一种新的三维视觉系统,旨在解决机器人视觉的固有问题. A useful binocular 3-D vision system is introduced in this paper, the pose of an object with 6 degreesof freedom is discussed. Frei and Chen method is used to extract edges with the help of non-equalquantization and preemphasis techniqucs. Modified Moravec's interest operator method is applied to en-sure automatic extraction of feature points. Edge-based sequential registration and hicrarchical matchingsignificantly speed up the matching process. 4 rules summarized from rigid body movement is used in theperiod... A useful binocular 3-D vision system is introduced in this paper, the pose of an object with 6 degreesof freedom is discussed. Frei and Chen method is used to extract edges with the help of non-equalquantization and preemphasis techniqucs. Modified Moravec's interest operator method is applied to en-sure automatic extraction of feature points. Edge-based sequential registration and hicrarchical matchingsignificantly speed up the matching process. 4 rules summarized from rigid body movement is used in theperiod of locating object pose from 3-D data to solve combinational explosion and ambiguity problemsduring the matching process of workpiece feature points and model points. 本文介绍了一种较实用的双摄象头三维视觉系统.主要讨论了视场内具有六个自由度物体的定位问题.系统以Frei和Chen方法抽取边缘,并运用了非均匀量化和预加重技术.采用了改进的Moravec兴趣算子法,实现了特征点的自动抽取.基于边缘的序贯分层配准法大大缩短了配准时间.在用三维数据获取物体姿态时.根据刚体运动总结的规则解决了工作特征点和模型点匹配时的组合爆炸问题和多义性问题. An optimum algorithm of the mathematical model for 3D-vision system is presented according tothe theory of the systematic identification and on the basis of the analysis for the measuring characteristics ofthe 3D-vision system,The practical measuring result shows the precision of the visual system is only lower 0.2%than the sensor resolution。And in the whole measuring space the precision is nearly the same. 本文根据系统辨识理论，在比较深入分析三维视觉系统观测特性的基础上，提出了一种优化该系统数学模型的非线性迭代算法。实际测试结果表明，视觉系统的测量精度仅低于视觉传感器分辨率的０．２％，且在整个测量空间，其精度基本一致。 << 更多相关文摘
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