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视觉三维测量
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  3 d vision measurement
     Based on the theory of binocular stereo in computer vision, some key technologies of 3D vision measurement such as computer vision model, calibration technology, calibration process automation and measurement error factor are studied in this thesis. A 3D laser scanner system named HRE and its system software called REPRO2004 have been designed and developed as a commercial product.
     基于计算机视觉双目测量原理,本文主要研究了计算机视觉三维测量中的视觉模型及标定方法、摄像机标定过程自动化、测量精度影响因素等若干关键问题,完成了系统的软件REPRO2004的设计与开发,成功实现了三维激光扫描系统HRE的商品化。
短句来源
     Laser 3D vision measurement, laser vibration measurement, laser tomography and laser non - destructive inspection are presented in this paper.
     介绍了激光视觉三维测量、激光振动测量、激光层析成像技术以及激光无损检测技术。
短句来源
     The importance and main characteristic of laser technology in advanced manufacturing industry is clarified in the paper. Research and analysis the laser measurement and machining technology using in manufacturing industry, such as the laser 3D vision measurement, laser tomography, laser non-destructive inspection, laser vibration measurement, laser rapid prototyping, laser welding, laser cutting, laser drilling hole, laser carving, laser heat treatment and laser machining interior contour.
     论述了激光技术在先进制造业中的重要地位及主要特点,对用于制造业的激光测试和激光加工技术的激光视觉三维测量、激光层析成像、激光无损检测技术、激光振动测量、激光快速成型技术、激光焊接技术、激光切割技术、激光打孔技术、激光标记技术、激光热处理技术和激光内腔加工技术等主要技术进行了研究与分析。
短句来源
  “视觉三维测量”译为未确定词的双语例句
     THE LASER TARGET MOVEMENT CONTRALIN VISION-BASED 3D COORDINATE MEASUREMENT
     视觉三维测量中激光特征点扫描控制系统
短句来源
     Low Cost 3-Dimentional Measurement System with Machine Vision and It's Application Research in Reverse Engineering
     低成本机器视觉三维测量系统及其在逆向工程中的应用研究
短句来源
     This paper will research the 3-d measuring system based on machine vision and its application in the reverse engineering.
     本文将围绕机器视觉三维测量系统及其在逆向工程中的应用展开研究。
短句来源
     A laser scan control system, consisting of analog and digital integrated circuits, is presented in this paper It, with not complex hardware and no need to program, can be used for measurement of complex shape objects.
     在机器视觉三维测量中,特征点匹配是个难题.本文提出了采用激光投射形成特征点,并介绍了一种用数字和模拟集成电路实现的激光特征点扫描控制系统.该系统的硬件结构较简单,和具有单片机的控制功能,事先不需编写复杂的程序和示教,能使测量装置方便地测量各种复杂形状的物体.
短句来源
     In this paper,cameras are calibrated implicitly using BP neural network by means of its ability to fit the complicated nonlinear mapping relation.
     利用人工神经网络对复杂非线性映射关系的强大逼近能力,对双目视觉三维测量系统中的摄像机进行隐式标定.
短句来源
  相似匹配句对
     Vision Measuring System for 3 Dimensional Sizes
     三维尺寸视觉测量系统
短句来源
     A 3D Vision Measurement System with Four Camera Stations
     四站位三维视觉测量系统
短句来源
     3D Visual Measurement Technology Based on LCD Coding Process
     基于液晶编码的三维视觉测量
短句来源
     Three-Dimensional TV Measurement for Robot Vision System
     三维电视测量
短句来源
     Moire Technique Used in 3-D Measurement
     莫尔三维测量
短句来源
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A laser scan control system, consisting of analog and digital integrated circuits, is presented in this paper It, with not complex hardware and no need to program, can be used for measurement of complex shape objects.

在机器视觉三维测量中,特征点匹配是个难题.本文提出了采用激光投射形成特征点,并介绍了一种用数字和模拟集成电路实现的激光特征点扫描控制系统.该系统的硬件结构较简单,和具有单片机的控制功能,事先不需编写复杂的程序和示教,能使测量装置方便地测量各种复杂形状的物体.

Laser 3D vision measurement, laser vibration measurement, laser tomography and laser non - destructive inspection are presented in this paper. Research achievements and applications of laser measurement technology in mechanical manufacturing industry both at home and abroad and the prospect for further application are introduced.

介绍了激光视觉三维测量、激光振动测量、激光层析成像技术以及激光无损检测技术。概述了国内外激光测试技术在机械制造业中的研究成果及使用情况,并展望了其应用前景。

The error of camera calibration is a great obstacle to improve the precision of three-dimensional measurement in binocular stereo vision system. And it is also important for the precision of system. In this paper, the error caused by calibration is evaluated and analyzed based on the study of monocular camera calibration. The experimental results showed that different methods affect the precision greatly with the same calibration model. The spherical error of camera decreases the precision of the measurement....

The error of camera calibration is a great obstacle to improve the precision of three-dimensional measurement in binocular stereo vision system. And it is also important for the precision of system. In this paper, the error caused by calibration is evaluated and analyzed based on the study of monocular camera calibration. The experimental results showed that different methods affect the precision greatly with the same calibration model. The spherical error of camera decreases the precision of the measurement. It is verified that a proper calibration method can eliminate the impact caused by the spherical error of cameras.

摄像机定标是提高双目立体视觉系统三维测量精度的关键之一,如何提高定标的精度对于提高整个系统的测量精度至关重要。本文在深入研究单目摄像机定标的基础上,利用一种基于双目立体视觉的三维测量系统定标模型,对摄像机定标给系统带来的误差进行了评价与分析。实验结果表明,在同一定标模型下,定标方式的选取对定标精度有较大影响。合理的进行定标可以有效地消除摄像机球面误差对测量精度的影响。

 
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