| 视觉测量传感器系统结构参数设计分析 |
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| 引用本文： | 吴彰良,孙长库,杨中东.视觉测量传感器系统结构参数设计分析[J].光电工程,2009,36(12). |
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| 作者姓名： | 吴彰良 孙长库 杨中东 |
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| 作者单位： | 1. 天津大学,精密测试技术及仪器国家重点实验室,天津,300072;郑州轻工业学院,机电工程学院,郑州,450002
2. 天津大学,精密测试技术及仪器国家重点实验室,天津,300072 |
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| 摘 要： | 依据三角法建立了基于线结构光和对称式双目立体视觉的两种典型视觉传感器坐标测量系统数学模型.通过对坐标测量模型及传感器各结构参数之间的相互关系分析,研究了线结构光视觉传感器和双目立体视觉传感器坐标测量系统结构参数及其误差对系统综合测量精度的影响关系特性.在对各结构设计参数综合分析的基础上,提出了视觉传感器坐标测量系统结构参数优化准则,并给出了线结构光视觉传感器及双目立体视觉传感器坐标测量系统结构参数的一般性设计原则与方法.
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| 关 键 词： | 线结构光视觉传感器 双目立体视觉传感器 计算机视觉 误差分析 参数优化 |
Analysis and Design of Structure Parameters of Vision Measuring Sensor System |
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| WU Zhang-liang,SUN Chang-ku,YANG Zhong-dong.Analysis and Design of Structure Parameters of Vision Measuring Sensor System[J].Opto-Electronic Engineering,2009,36(12). |
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| Authors: | WU Zhang-liang SUN Chang-ku YANG Zhong-dong |
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| Abstract: | Parameter models of two typical coordinate measuring systems of a line-structured light visual sensor and a symmetrical binocular visual sensor are investigated with the trigonometric method.By analyzing the relations between the coordinate measuring models and the structural parameters of the two typical visual sensor systems,the effect of the visual sensor structural parameters and their calibration errors on the sensor measurement result is investigated.The error analysis explicitly illustrates the dependence of the visual sensor accuracy on the sensor structural parameters.Lastly,based on the comprehensive consideration for designing an ideal visual sensor,the optimum rules of structural parameters are proposed,and the design methods of the two typical sensors are derived. |
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| Keywords: | line-structured light vision sensor binocular stereoscopic vision sensor computer vision error analysis parameter optimization |
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