Infrared and Laser Engineering, Volume. 50, Issue 12, 20210141(2021)

Auto focusing technology of three-axis vision measuring system

Peng Zhou... Chenghai Hu, Chao Bi and Xue Hao |Show fewer author(s)
Author Affiliations
  • Aviation Key Laboratory of Science and Technology on Precision Manufacturing Technology, Beijing Precision Engineering Institute for Aircraft Industry, Beijing 100076, China
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    References(16)

    [1] Wenyan Zhu, Lianqun Zhou, Zhiqi Zhang, et al. Autofocus of microarray digital PCR fluorescent chip. Optics and Precision Engineering, 28, 2065-2075(2020).

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    [3] Yanchao Zhang, Jian Zhao, Xizhen Han, et al. Application of SUSAN definition evaluation function in auto-focusing. Chinese Optics, 7, 240-244(2014).

    [4] Yeru Wang, Huajun Feng, Zhihai Xu. An adjustable coverage range autofocus evaluation function using gradient operater with variable frequency. Infrared and Laser Engineering, 45, 1028001(2016).

    [5] Shuxin Liu, Manhua Liu. Auto-focusing algorithm based on fuzzy entropy evaluation and optimal search. Journal of Chongqing University of Posts and Telecommunications (Natural Science Edition), 29, 514-520(2017).

    [6] [6] Wang Yeru. Research on autofocus method based on digital image processing[D]. Hangzhou: Zhejiang University, 2018. (in Chinese)

    [7] Gongchang Ren, Chongzhan Liu, Peng Liu, et al. Study on monocular distance measurement based on auto focus. Machinery Design and Manufacturing, 146-149(2019).

    [8] Yunjie Guo, Ping'an He. Research on automatic focusing algorithm of digital optical bench. Optics and Optoelectronic Technology, 18, 88-94(2020).

    [9] Jun Luo, Li Sun, Zhisheng Min. Application of zoom tracking curves in focusing. Optics and Precision Engineering, 19, 2326-2332(2011).

    [10] Chengxiao Bao, Wei Jiang, Yuxiao Wang. Automatic focusing algorithm based on Otsu segmentation and local maximum gradient. Optical Technology, 45, 756-761(2019).

    [11] Wenrui Luo. Auto-focusing method for microscopy based on improved hill-climbing algorithm. Tool Technology, 53, 112-116(2019).

    [12] [12] Yang Xianlun. Research on autofocus algithms based on image processing[D]. Hefei: Anhui University, 2018. (in Chinese)

    [13] Chao Bi, Xue Hao, Jianfei Li, et al. Experimental study on focusing evaluation functions of images of film cooling hole. Astronautical Measurement Technology, 39, 77-83(2019).

    [14] Chengchao Li, Zhanjiang Yu, Yiquan Li, et al. Sharpness evaluation of microscopic detection image for micro parts. Semiconductor Optoelectronics, 41, 103-107+113(2020).

    [15] Hengyi Lv, Yang Liu, Xuchen Xue. Difference auto-focusing based on particle swarm optimization searching and wavelet evaluation. Chinese Optics, 4, 283-292(2011).

    [16] Chao Bi, Xue Hao, Mengchen Liu, et al. Study on calibration method of rotary axis based on vision measurement. Infrared and Laser Engineering, 49, 0413004(2020).

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    Peng Zhou, Chenghai Hu, Chao Bi, Xue Hao. Auto focusing technology of three-axis vision measuring system[J]. Infrared and Laser Engineering, 2021, 50(12): 20210141

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    Paper Information

    Category: Photoelectric measurement

    Received: Mar. 9, 2021

    Accepted: --

    Published Online: Feb. 9, 2022

    The Author Email:

    DOI:10.3788/IRLA20210141

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