INFRARED, Volume. 41, Issue 7, 11(2020)

Effect of Focusing Mechanism Backlash on Auto-Focus and Algorithm Optimization in Infrared System

Qian ZHANG* and Ji-zhou LIU
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  • [in Chinese]
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    This paper introduces the basic principle of auto-focus technology in infrared systems, and analyzes in detail the influence of focusing mechanism backlash on the traditional auto-focus algorithm. A variety of optimized schemes are proposed, and the applicability and stability are fully considered. Finally, an experiment is designed to verify the feasibility of the algorithm which realizes fast, stable and accurate auto-focus, and the algorithm can be used in engineering practice.

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    ZHANG Qian, LIU Ji-zhou. Effect of Focusing Mechanism Backlash on Auto-Focus and Algorithm Optimization in Infrared System[J]. INFRARED, 2020, 41(7): 11

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    Paper Information

    Received: Jul. 7, 2020

    Accepted: --

    Published Online: Nov. 3, 2020

    The Author Email: Qian ZHANG (zhangqianbuaa922@163.com)

    DOI:10.3969/j.issn.1672-8785.2020.07.003

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