Measuring system of flaw depth of gun barrel

ZENG Zhao-yang; ZHAO Ji-guang

doi:10.3788/OPE.20101810.2221

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Measuring system of flaw depth of gun barrel

Article | 更新时间：2020-08-12

- Measuring system of flaw depth of gun barrel
- Optics and Precision Engineering Vol. 18, Issue 10, Pages: 2221-2230(2010)
- 作者机构：
  
  1. 装备指挥技术学院光电装备系北京,101416
  2. 装备指挥技术学院航天装备系北京,101416
- 作者简介：
- 基金信息：
- DOI：10.3788/OPE.20101810.2221
  CLC： TJ306;TP391
- Received：09 December 2009，
  
  Revised：23 December 2009，
  
  Published Online：28 October 2010，
  
  Published：20 October 2010
- 稿件说明：
移动端阅览
曾朝阳, 赵继广. 火炮身管疵病深度测量系统[J]. 光学精密工程, 2010,18(10): 2221-2230

ZENG Zhao-yang, ZHAO Ji-guang. Measuring system of flaw depth of gun barrel[J]. Editorial Office of Optics and Precision Engineering , 2010,18(10): 2221-2230
曾朝阳, 赵继广. 火炮身管疵病深度测量系统[J]. 光学精密工程, 2010,18(10): 2221-2230 DOI： 10.3788/OPE.20101810.2221.

ZENG Zhao-yang, ZHAO Ji-guang. Measuring system of flaw depth of gun barrel[J]. Editorial Office of Optics and Precision Engineering , 2010,18(10): 2221-2230 DOI： 10.3788/OPE.20101810.2221.

摘要

为了准确获取火炮身管疵病深度参数

提出了一种新的基于等效多基线立体成像的疵病深度测量方法

并采用单摄像机建立了疵病深度自动测量系统。首先

对摄像机采用Tsai两步法进行标校。接着

采用等效多基线立体成像法获取疵病图像。在此基础上

利用标校数据和图像的位置参数

通过疵病特征提取和疵病图像立体匹配处理

获取疵病深度图像的输出

从而得到准确的疵病深度值

实现对火炮身管疵病深度参数的精确测量。测试结果表明:该疵病测量系统得到的疵病深度测量绝对误差<0.1 mm

相对误差<5%

完全满足火炮身管疵病深度测量的需要

能够为火炮鉴定试验和伴装保障提供重要的技术支持。

Abstract

In order to accurately obtain flaw depth parameters of a gun barrel

a new flaw depth measurement method based on the equivalent multi-baseline stereo imaging is proposed

and an automatic measurement system for the flaw depth is established in this paper. The Tsai two-step method is used to calibrate the camera

and the equivalent multi-baseline stereo imaging methods are taken to obtain the flaw image. On the basis of the above

this system extracts the image features and realizes the stereo matching processing according to the calibration data and location parameters. Then

it obtains the precise flow depth value and implements the accurate measurement of flaw depth parameters of the gun barrel. The test results show that the measuring absolute error of this flaw depth measuring system is less than 0.1 mm

and the relative error is less than 5%.These results can meet the need of the gun barrel for flaw depth measurment

and can provide an important technical support for the identification testing.

关键词

Keywords

references

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