Infrared and Laser Engineering, Volume. 52, Issue 1, 20220342(2023)

Image sharpness evaluation and variable-step fusion focusing method

Hongliang Pan1, Jinxia Sun2, and Xizhen Han2
Author Affiliations
  • 1Research and Development Department, Changchun Jingyi Photoelectric Technology Co., Ltd., Changchun 130000, China
  • 2Research and Development Department, Suzhou Dongfang Kloto Photoelectric Technology Co., Ltd., Suzhou 215600, China
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    References(15)

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    [5] Mo Chunhong, Liu Bo, Ding Lu, et al. A gradient threshold auto-focus algorithm[J]. Infrared and Laser Engineering, 43, 323-327(2014).

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    [10] Zhang Huaili, Li Yingchun, Zhang Tinghua. Method of variable speed control for focusing mechanism limited interval based on image definition function[J]. Journal of Applied Optics, 42, 969-974(2021).

    [11] [11] Lin Zhaohua. Study on application of the autofocus technology based on the imaging processing in the theodolite[D]. Changchun: University of Chinese Academy of Sciences (Changchun Institute of Optics, Fine Mechanics Physics, Chinese Academy of Sciences), 2012. (in Chinese)

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    Hongliang Pan, Jinxia Sun, Xizhen Han. Image sharpness evaluation and variable-step fusion focusing method[J]. Infrared and Laser Engineering, 2023, 52(1): 20220342

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    Paper Information

    Category: Optical imaging

    Received: May. 18, 2022

    Accepted: --

    Published Online: Feb. 9, 2023

    The Author Email:

    DOI:10.3788/IRLA20220342

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