In the experiment, we reconstruct 3-d position of the target by linear self-calibration technology based on active vision and the matching method based on characteristic points.
通过实验，利用基于主动视觉的线性自标定技术，完成了对相机的自标定，并利用基于特征点的立体匹配方法，完成了点的三维重构。
Detection of optic fiber end based on characteristic points, the experiments show that the system has a good stability and its repetition accuracy is as high as 0.7% of CCD pixel.
实验表明，基于特征点对光纤端部检测，重复精度达到0.7%的CCD像素，系统具有良好的稳定性。
Under the basis of the analysis to characteristic of toll station vehicle number-plate, this paper presents an improved number-plate locating method based on the characteristics of gray beep points.
该文在对收费站汽车牌照特征分析的基础上，提出了一种改进的基于扫描行的灰度跳变点特征的车牌定位算法。
Based on the characteristic of the geodesic, the distance between the corresponding points in adjacent cutter contact curves can be adjusted adaptively according to the local character of the surface.
该算法利用短程线的特性，根据曲面的局部特征自适应地调整相邻刀位轨迹线之间的间距，实现了刀位轨迹在曲面上的等距分布。
Based on ideal trajectory calculation, characteristic points are chosen. On each point, plant is simplified as a second order one.
在理想弹道计算的基础上选取特征点，在每个特征点，将对象简化为一个二阶环节来近似。
Based on the definition and characteristic of knowledge economy, the author points out that the rise of knowledge economy will eventually leads to a revolution in archives management.
根据知识经济的定义和特征，指出随着知识经济的崛起，必将带来档案管理的全面变革。
Based on that, summarize main points of underground space design, search the characteristic and tendency of design building underground Spaces.
并在此基础上，总结地下空间的设计要点，探索当今建筑地下空间开发利用的主要特点和设计趋势。
Finally, the attitude of optical characteristic points relative to the word coordinate system was obtained based on the optimization solution.
最后，基于优化的总体最小二乘解确定光学特征点相对世界坐标系的姿态。
Based on the cross-ratio invariance theorem, a new method for acquiring characteristic points in the calibration of line structure-light sensor was proposed.
在已知一个消隐点的情况下，利用交比不变性及消隐点的知识对摄像机进行标定。
Based on the cross-ratio invariance theorem, a new method for acquiring characteristic points in the calibration of line structure-light sensor was proposed.
在已知一个消隐点的情况下，利用交比不变性及消隐点的知识对摄像机进行标定。
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