At first through the camera calibration and stereo point matching, the three-dimensional coordinates by employing double-viewpoint method ( triangulation principles) are gotten. 首先经过相机标定,立体匹配点,进而运用双视点三维重建原理即三角测量得到三维坐标;
A linear camera calibration method with vanishing point and the invariance of cross-ratio is 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。
A Method of Locate Calibration Target's Feature Point Based on Deformable Template Matching 基于变形模板匹配的标定靶特征点定位方法
The tool uses a specific calibration target for the individual calibration of3D point clouds before realizing real measurements in3D. 在真正的3D测量实施之前,Metric3D工具使用一个指定校准目标对3D点云的各个数据进行特定校正。
The Calibration and Point Cloud Processing in 3D Reconstruction 3D重建中的摄像机标定与点云处理
Research on Approach of SAR Radiometric Calibration Using Point Target 利用点目标进行SAR辐射定标的方法研究
A Line Structured light 3 D Visual Sensor Calibration by Vanishing Point Method 用消隐点法标定线结构光三维视觉传感器
Data Processing and System Calibration on Fiber Point Diffraction Interferometer 光纤点衍射干涉仪数据处理与系统标定
An automatic calibration system of thermocouples with a high accuracy is developed. Automatic Calibration of Zero Point and Measurement Range of Process Analytical Instruments 组建了一套低温下高精度热电偶自动标定系统。过程分析仪器零点与量程的自动校正
The calibration quality of every spectral point is first evaluated according to the calibration error. 该方法从光谱点噪声对校正模型的误差影响角度出发,对每个光谱点的定量性能进行评估;
The CCD camera perspective model, RAC calibration algorithm and the method for the spatial coordinate and image coordinate of the calibration point were introduced. The calibration procedure was presented with the software particularly. 详细介绍了CCD摄像机透视成像模型、RAC标定方法以及标定点空间坐标和图像坐标的获取方法,结合标定软件讲述了标定的主要步骤。
Experiment on Whitt's Polarimetric SAR Calibration Algorithm Using Point Targets Whitt点目标极化定标算法的实验研究
Automatic Calibration of Zero Point and Measurement Range of Process Analytical Instruments 过程分析仪器零点与量程的自动校正
Usually, camera self-calibration is nonlinear. A linear camera calibration technique based on four point correspondences is proposed in this paper in order to obtain a linear method, and a robust Euclidean reconstruction under the random sample consensus ( RANSAC) algorithms is computed from the images. 摄像机自标定算法通常是非线性的,为了得到线性的方法,提出了一种在RANSAC框架下由4对图像对应点线性标定摄像机并对场景进行鲁棒性欧氏重建的方法。
Calibration accuracy is the key point for ASTC technique. It influences the internal quality of slabs directly. 济钢第三炼钢厂厚板坯连铸机采用了ASTC技术,ASTC的校验工作是关键环节,校验精度的高低直接影响铸坯内部质量。
Indoor and outdoor calibration were carried on, the results of the calibration were analyzed from the point of bound water. 针对膨胀土进行了室外标定以及室内标定,从结合水的角度分析了室内标定曲线的形态。
High Efficiency and Low Background HPGe γ-spectrometer and Calibration of Point Source Efficiency 高效率低本底HPGeγ谱仪和点源刻度
Based on the verification regulation of PRT, this paper studies the temperature characteristics of PRT, suggests a method of improving the accuracy of measurement and supplies the uncertainty of calibration point. 分析了检定规程对铂电阻温度计的要求,通过研究铂电阻温度计的测温特性,提出了提高铂电阻温度计测量精度的方法,并给出了在温度校准点的测量不确定度。
Through the experiment, extracting the calibration template angular point stably, calibrating inside and outside parameters of binocular stereo camera easily and quickly. 通过标定实验,稳定的提取了标定模板角点,方便快捷的标定出双目摄像机内外参数。
In the system application, we place the target calibration board in the position which should be monitored ( for the tunnel project, people usually choice tunnel crown as the position), and place the reference calibration board in the datum point. 在系统应用中,将目标标定板安置在需要监测的位置处(对于隧道工程来说,通常为拱顶位置),并在基准点处安置参考标定板。
Flexible calibration target is designed to reduce the large target from the difficulty of producing and processing of uncertainty on the calibration accuracy of the characteristics of the starting points raised by the geometric constraints to construct the calibration point calibration method. 柔性靶标标定方法是从降低大靶标制作的难度和加工不确定性对标定精度的影响出发提出的通过特征点之间的几何约束来构造标定点的标定方法。
As the most important factor in the proposed calibration methods, vanishing point are addressed through the whole paper. 它作为本文所提出的标定方法的重要因素,贯穿文章始末。
After a whole analysis for the traditional methods of camera calibration, and point out the limitation of this methods, then it combine the modern neural network technology and proposed the BP neural network for camera calibration. 本文先综合分析了传统摄像机标定方法,指出其在实际具体应用中的局限性。之后结合现代神经网络技术,提出了基于BP神经网络的摄像机标定技术。
Research on calibration control point center extraction accuracy is done. 对校正控制点的中心提取方法进行了研究。
And on this basis, system calibration is achieved by using camera calibration method based on plane grid point. 3. 在此基础上,运用基于平面方格点的摄像机标定方法,实现了对系统的标定。
The conventional camera calibration needs marking the marker point by handwork with high workload, low efficiency and unwarranted precision. 由于传统相机标定需要手工标识,工作量大、效率低。
First of all, this thesis discusses the basic techniques and principles of the three-dimensional reconstruction, For example, camera calibration technique, feature point to strike a technical, three-dimensional information to restore the principle and feature point matching technology. 首先,本论文讨论三维重建的基本技术和原理,如摄像机标定研究技术、特征点求取技术、三维信息还原原理以及特征点匹配技术等等。
And research on the image antihum and extracting calibration point. 并研究了图像的去噪方法和标定点提取方法。
There are four parts in a binocular vision system, such as camera calibration, feature point detection, stereo correspondence and 3D reconstruction. 具体可分为摄像机标定、特征点提取、立体匹配、三维重构4个部分。