Research on the influence of light intensity on digital image correlation measurement accuracy in the testing of concrete

Yang Denghui; Huang Chen; Fan Ping; Lü Jian; Wei Peng; Yang Liyun

doi:10.19606/j.cnki.jmst.2023.05.009

Volume 8 Issue 5

Oct. 2023

Turn off MathJax

Article Contents

Article Navigation > Journal of Mining Science and Technology > 2023 > 8(5): 677-687

Yang Denghui, Huang Chen, Fan Ping, Lü Jian, Wei Peng, Yang Liyun. Research on the influence of light intensity on digital image correlation measurement accuracy in the testing of concrete[J]. Journal of Mining Science and Technology, 2023, 8(5): 677-687. doi: 10.19606/j.cnki.jmst.2023.05.009

Citation:

PDF( 12852 KB)

Research on the influence of light intensity on digital image correlation measurement accuracy in the testing of concrete

doi: 10.19606/j.cnki.jmst.2023.05.009

1.
School of Mechanics and Civil Engineering, China University of Mining and Technology-Beijing, Beijing 100083, China
2.
Key Laboratory for Old Bridge Detection & Reinforcement Technology of the Ministry of Transportation(Beijing), Beijing 100088, China

Received Date: 2023-01-04
Rev Recd Date: 2023-05-17
Publish Date: 2023-10-31

Abstract

Abstract

When the surface strain field of concrete structure is measured by digital image correlation(DIC)technology under complex light conditions, the decorrelation effect of the pattern will be caused by the variation in light intensity. For this problem, the optimal light intensity suitable for DIC calculating and analyzing is studied, and the influence of light intensity variation on the measurement accuracy and calculation efficiency of DIC is explored by the traditional 2D-DIC measurement system. The experimental result shows that the average gray level of 190 is the optimal light intensity. The picture is used as the reference image at the optimal light intensity. The strain error increases exponentially when the light intensity increases, and the strain error increases linearly when the light intensity decreases. The computation time and the matching rate of calculation points are insensitive to the slight range fluctuation of light intensity, while the computation time of DIC will increase 1 to 3 times, and about 25 % of calculation points will match failed because of the extreme variation of light intensity. The accuracy of experimental results is verified by Combining them with the image quality assessment index. In order to get high-quality images, the green band-pass filter imaging system is established in this paper. It can stabilize the image's brightness and contrast when the external light varies seriously. The strain error and calculation efficiency are all close to the optimal light intensity when external ambient light changes seriously. Compared with the traditional 2D-DIC measurement system, The green band-pass filter imaging system can be better applied to measure in the outdoor environment.
- digital image correlation technology,
- surface strain field of concrete,
- light intensity,
- image quality,
- green band-pass filter imaging system

FullText(HTML)

References(22)

References

[1]	张德海, 郭照灿, 何文斌, 等. 用于Q235低碳钢的数字图像相关法应变检测[J]. 锻压技术, 2022, 47(3): 182-190. https://www.cnki.com.cn/Article/CJFDTOTAL-DYJE202203031.htm Zhang Dehai, Guo Zhaocan, He Wenbin, et al. Strain detection by digital image correlation method on Q235 low carbon steel[J]. Forging & Stamping Technology, 2022, 47(3): 182-190. https://www.cnki.com.cn/Article/CJFDTOTAL-DYJE202203031.htm
[2]	Pan B, Qian K M, Xie H M, et al. Two-dimensional digital image correlation for in-plane displacement and strain measurement: a review[J]. Measurement Science and Technology, 2009, 20(6): 062001. doi: 10.1088/0957-0233/20/6/062001
[3]	金观昌, 孟利波, 陈俊达, 等. 数字散斑相关技术进展及应用[J]. 实验力学, 2006, 21(6): 689-702. https://www.cnki.com.cn/Article/CJFDTOTAL-SYLX200606002.htm Jin Guanchang, Meng Libo, Chen Junda, et al. The progress and application of digital speckle correlation method[J]. Journal of Experimental Mechanics, 2006, 21(6): 689-702. https://www.cnki.com.cn/Article/CJFDTOTAL-SYLX200606002.htm
[4]	Yamaguchi I. Speckle displacement and decorrelation in the diffraction and image fields for small object deformation[J]. Optica Acta: International Journal of Optics, 1981, 28(10): 1359-1376. doi: 10.1080/713820454
[5]	Yamaguchi I. A laser-speckle strain gauge[J]. Journal of Physics E: Scientific Instruments, 1981, 14(11): 1270-1273. doi: 10.1088/0022-3735/14/11/012
[6]	Peters W H, Ranson W F. Digital imaging techniques in experimental stress analysis[J]. Optical Engineering, 1982, 21(3): 427-431.
[7]	吴庆, 倪源, 孙林柱, 等. 基于VIC-3D技术的高强混凝土单轴受压试验研究[J]. 混凝土, 2014(11): 19-23. https://www.cnki.com.cn/Article/CJFDTOTAL-HLTF201411007.htm Wu Qing, Ni Yuan, Sun Linzhu, et al. Experimental study on high-strength concrete under uniaxial compression based on VIC-3D technology[J]. Concrete, 2014(11): 19-23. https://www.cnki.com.cn/Article/CJFDTOTAL-HLTF201411007.htm
[8]	童晶, 金贤玉, 田野, 等. 基于DIC技术的锈蚀钢筋混凝土表面开裂[J]. 浙江大学学报: 工学版, 2015, 49(2): 193-199, 217. https://www.cnki.com.cn/Article/CJFDTOTAL-ZDZC201502001.htm Tong Jing, Jin Xianyu, Tian Ye, et al. Study on surface cracking of corroded reinforced concrete based on DIC method[J]. Journal of Zhejiang University: Engineering Science, 2015, 49(2): 193-199, 217. https://www.cnki.com.cn/Article/CJFDTOTAL-ZDZC201502001.htm
[9]	赵燕茹, 张杰, 宋博, 等. 基于DIC方法的高温后混凝土应变局部化研究[J]. 混凝土, 2022(4): 37-43. https://www.cnki.com.cn/Article/CJFDTOTAL-HLTF202204008.htm Zhao Yanru, Zhang Jie, Song Bo, et al. Research on strain localization of concrete after high temperature based on DIC method[J]. Concrete, 2022(4): 37-43. https://www.cnki.com.cn/Article/CJFDTOTAL-HLTF202204008.htm
[10]	Ma S P, Jin G C. New correlation coefficients designed for digital speckle correlation method(DSCM)[C]// Proc SPIE 5058, Optical Technology and Image Processing for Fluids and Solids Diagnostics 2002, 2003, 5058: 25-33.
[11]	潘兵, 续伯钦, 谢惠民, 等. 面内位移测量的基于梯度的数字图像相关方法[J]. 光学技术, 2005, 31(5): 643-647. https://www.cnki.com.cn/Article/CJFDTOTAL-GXJS200505000.htm Pan Bing, Xu Boqin, Xie Huimin, et al. In-plane displacement measurement by gradient-based digital image correlation[J]. Optical Technique, 2005, 31(5): 643-647. https://www.cnki.com.cn/Article/CJFDTOTAL-GXJS200505000.htm
[12]	Hua T, Xie H M, Wang S, et al. Evaluation of the quality of a speckle pattern in the digital image correlation method by mean subset fluctuation[J]. Optics & Laser Technology, 2011, 43(1): 9-13.
[13]	Grant B B, Stone H J, Withers P J, et al. High-temperature strain field measurement using digital image correlation[J]. The Journal of Strain Analysis for Engineering Design, 2009, 44(4): 263-271.
[14]	Su Z L, Lu L, Dong S, et al. Auto-calibration and real-time external parameter correction for stereo digital image correlation[J]. Optics and Lasers in Engineering, 2019, 121: 46-53.
[15]	Pappa R S, Giersch L R, Quagliaroli J M. Photogrammetry of a 5m inflatable space antenna with consumer-grade digital cameras[J]. Experimental Techniques, 2001, 25(4): 21-29.
[16]	Zhang H, Wang Y H, Chen L, et al. High temperature deformation measurement based on ultraviolet DIC[C]// SPIE Proceedings, International Conference on Experimental Mechanics 2014, Singapore. Singapore: SPIE, 2015.
[17]	Bao S Y, Wang Y H, Liu L, et al. An error elimination method for high-temperature digital image correlation using color speckle and camera[J]. Optics and Lasers in Engineering, 2019, 116: 47-54.
[18]	Tong W. An evaluation of digital image correlation criteria for strain mapping applications[J]. Strain, 2005, 41(4): 167-175.
[19]	王冬梅, 方如华, 秦玉文. 数字图像相关测量的误差分析及其改进措施[J]. 实验力学, 1998, 13(3): 416-422. https://www.cnki.com.cn/Article/CJFDTOTAL-SYLX803.021.htm Wang Dongmei, Fang Ruhua, Qin Yuwen. Measuring errors analysis and improvement of digital image correlation method measurement system[J]. Journal of Experimental Mechanics, 1998, 13(3): 416-422. https://www.cnki.com.cn/Article/CJFDTOTAL-SYLX803.021.htm
[20]	潘兵, 吴大方, 夏勇. 数字图像相关方法中散斑图的质量评价研究[J]. 实验力学, 2010, 25(2): 120-129. https://www.cnki.com.cn/Article/CJFDTOTAL-SYLX201002001.htm Pan Bing, Wu Dafang, Xia Yong. Study of speckle pattern quality assessment used in digital image correlation[J]. Journal of Experimental Mechanics, 2010, 25(2): 120-129. https://www.cnki.com.cn/Article/CJFDTOTAL-SYLX201002001.htm
[21]	Pan B, Wu D F, Yu L P. Optimization of a three-dimensional digital image correlation system for deformation measurements in extreme environments[J]. Applied Optics, 2012, 51(19): 4409.
[22]	钱月红. EMCCD光电性能参数测试方法研究[D]. 南京: 南京理工大学, 2015.

Relative Articles

Supplements(0)

Cited By

Proportional views

Proportional views

通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

Figures(14) / Tables(3)

Get Citation

PDF

XML

Article Metrics

Article views (206) PDF downloads(40)

Research on the influence of light intensity on digital image correlation measurement accuracy in the testing of concrete

doi: 10.19606/j.cnki.jmst.2023.05.009

Abstract

References

Proportional views

Catalog

通讯作者: 陈斌, bchen63@163.com

Article Metrics

Proportional views

Export File

Citation

Format

Content