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Laser & Optoelectronics Progress, Volume. 59, Issue 4, 0418001(2022)

An Auto-Focusing Evaluation Function Adapted to Multi-Directional Gray Gradient Change

Rui Xiong1,3、*, Naiting Gu2,3, and Hongyan Xu1,3、**
Author Affiliations
  • 1Quality Inspection Center, Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu , Sichuan 610209, China
  • 2Key Laboratory of Adaptive Optics, Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu , Sichuan 610209, China
  • 3University of Chinese Academy of Sciences, Beijing 100049, China
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    Article index updated: Sep. 11, 2025

    The article is cited by 14 article(s) CLP online library. (Some content might be in Chinese.)
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    Rui Xiong, Naiting Gu, Hongyan Xu. An Auto-Focusing Evaluation Function Adapted to Multi-Directional Gray Gradient Change[J]. Laser & Optoelectronics Progress, 2022, 59(4): 0418001

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    Paper Information

    Category: Microscopy

    Received: Jan. 8, 2021

    Accepted: Mar. 19, 2021

    Published Online: Jan. 25, 2022

    The Author Email: Rui Xiong (1769509809@qq.com), Hongyan Xu (xhy@ioe.ac.cn)

    DOI:10.3788/LOP202259.0418001

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology