High Accuracy Image Measurement System

Wu Xiaobo; Zhong Xianxin; Liu Houquan; Pan Zhenxian

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High Accuracy Image Measurement System

更新时间：2020-08-12

- High Accuracy Image Measurement System
- Optics and Precision Engineering Vol. 3, Issue 1, Pages: 28-33(1995)
- 作者机构：
  
  重庆大学光电精密仪器系重庆,630044
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：10 August 1994，
  
  Published Online：15 February 1995，
  
  Published：15 February 1995
- 稿件说明：
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吴晓波, 钟先信, 刘厚权, 潘振显. 高精度图像测量系统[J]. 光学精密工程, 1995,(1): 28-33

Wu Xiaobo, Zhong Xianxin, Liu Houquan, Pan Zhenxian. High Accuracy Image Measurement System[J]. Editorial Office of Optics and Precision Engineering, 1995,(1): 28-33
吴晓波, 钟先信, 刘厚权, 潘振显. 高精度图像测量系统[J]. 光学精密工程, 1995,(1): 28-33 DOI：

Wu Xiaobo, Zhong Xianxin, Liu Houquan, Pan Zhenxian. High Accuracy Image Measurement System[J]. Editorial Office of Optics and Precision Engineering, 1995,(1): 28-33 DOI：

摘要

图像测量系统的测量原理是通过处理被测物体图像的边缘而获得物体的几何参数。为提高图像测量系统的测量精度

本文提出了一种具有保持特征和滤波功能的十字窗口边缘自动检测算法。该算法能有效地抑制图像边缘检测中的噪声

并且能对非均匀照明的图像进行自动变阈值设置

从而能准确地检测出图像边缘。并在此基础上

又提出了以多项式插值为原理的新的亚像元边缘检测算法

使图像测量系统的CCD摄像机的分辨率提高约60倍。

Abstract

The Principle of image measurement system is that the geometrical parameters are ob-tained by processing the image edge of the object. For improving the accuracy of the imagemeasurement system

this paper proposed a crossed window automatic edge detection algo-rithem which has the properties of holding edge

reducing noise and adjusting threshold auto-matically in case of nonuniformluminary

and furthermore

a new subpixel edge detection al-gorithem based on polynominal interplation is presnte. By the algorithems the measuringresolution of CCD camera in image measurement system might be improved by about 60 times.

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Related Institution

Beijing Engineering Research Center of Precision Measurement Technology and Instruments， Beijing University of Technology

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Anhui Province Key Laboratory of Measuring Theory and Precision Instrument

School of Instrument Science and Opto-electronics Engineering， Hefei University of Technology

Liangjiang College of Artificial Intelligence， Chongqing University of Technology

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