A Residual Error Correcting Method of Structuredlight Stripe Measuring System

XU You; XIONG Huiyuan; ZONG Zhijian

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A Residual Error Correcting Method of Structuredlight Stripe Measuring System

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- A Residual Error Correcting Method of Structuredlight Stripe Measuring System
- Acta Scientiarum Naturalium Universitatis SunYatseni Vol. 49, Issue 4, Pages: 11-15(2010)
- 作者机构：
  
  中山大学工学院,广东,广州,510006
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2010，
  
  Published Online：25 July 2010，
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XU You, XIONG Huiyuan, ZONG Zhijian. A Residual Error Correcting Method of Structuredlight Stripe Measuring System. [J]. Acta Scientiarum Naturalium Universitatis SunYatseni 49(4):11-15(2010)
DOI：

XU You, XIONG Huiyuan, ZONG Zhijian. A Residual Error Correcting Method of Structuredlight Stripe Measuring System. [J]. Acta Scientiarum Naturalium Universitatis SunYatseni 49(4):11-15(2010) DOI：

摘要

针对提高线结构光测量系统测量精度，提出了一种误差补偿方法。该方法通过计算标定后的标定点计算坐标值和实际坐标值之间的残差，利用插值的方法建立相机每个像素点所对应的物点残差数据库，在测量过程中根据残差数据库计算每个亚象素测量点的残差，从而实现对测量结果的误差补偿。实验通过对Tsai算法和多项式拟合算法两种模型的测量结果运用该补偿方法进行了修正和比较，表明本方法能在一定程度上提高线结构光测量系统的精度、满足精密测量的要求，并且适用于多种标定方式。

Abstract

A correcting method was described to improve the accuracy of line structuredlight measurement system. According to the errors between the actual object spots calibrated and the object spots calculated from the calibration approach

the database of cameras pixelobjecterror is established by interpolation. The result of measurement can be corrected by using the database. Tsais calibration and polynomial fitting were used in the experiments

and the results are corrected by the method and analyzed. The experiments show that the correcting method is effective and applicable to a variety of calibration methods and the precision is suitable for the requirement of measurement.

关键词

残差修正插值Tsai标定多项式拟合

Keywords

residual correctioninterpolationTsais calibration approachpolynomial fitting

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Related Institution

中山大学计算机科学系

Department of Mathematics and Computational Science, Sun Yatsen University

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School of Electronics and Information Engineering, Foshan University

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