Infrared and Laser Engineering, Volume. 50, Issue 8, 20200432(2021)

Aerial camera image focusing method based on out-of-phase differential filtering effect

Qi Kang1,2, Lina Zheng1, and Haijiang Wang1,2
Author Affiliations
  • 1Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China
  • 2University of Chinese Academy of Sciences, Beijing 100049, China
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    References(15)

    [1] Meng Xixi, Feng Huajun, Xu Zhihai. Autofocus method for scanning remote sensing cameras[J]. Applied Optics, 54, 6351-6359(2015).

    [2] [2] Chen Zhichao. Research on realtime phase detection auto focus technique of long focus airbne camera based on RC optical system[D]. Changchun: Changchun Institute of Optics, Fine Mechanics Physics, Chinese Academy of Sciences, 2016. (in Chinese)

    [3] Zheng Lina, Li Yanwei, Yuan Guoqin, et al. Automatic focus plane detection of aerial remote camera based on visibility[J]. Infrared and Laser Engineering, 43, 236-241(2014).

    [4] [4] Meng Fanhao. Study on the application of autofocus technique based on image processing technology in aerial camera[D]. Changchun: Changchun Institute of Optics, Fine Mechanics Physics, Chinese Academy of Sciences, 2016. (in Chinese)

    [5] Li Qihui, Ding Yalin, Xiu Jihong, et al. A self-collimation focusing method based on image processing[J]. Advances in Laser and Optoelectronics, 57, 021104(2020).

    [6] Zheng Lina, Kuang Haipeng, Li Wenming, et al. Method of pedestal component elimination based on line CCD for spatial-filter velocimetry signal[J]. Journal of Optics, 34, 0211001(2014).

    [7] [7] Zheng Lina. Research on high precision Speedtoheight ratio measurement technology of aerial camera[D]. Changchun: Changchun Institute of Optics, Fine Mechanics Physics, Chinese Academy of Sciences, 2013. (in Chinese)

    [8] Zheng Lina, Zhang Tao, Kuang Haipeng, et al. Image motion velocity measurement technique based on spatial filtering effect of linear array CCD for aerial remote camera[J]. Journal of Optics, 32, 1112002(2012).

    [9] Zheng Lina, Li Yanwei. SFV spatial filtering characteristics of rectangle spatial filter[J]. Infrared and Laser Engineering, 43, 472-475(2013).

    [10] Xu Zhaolin, Zhao Yuliang, Zhang Guodong, et al. Design of an auto-focusing system for a new type of aerial camera[J]. Electronics Optics & Control, 18, 77-80(2011).

    [11] Lu Zhenhua, Guo Yongfei, Li Hongfa, et al. Auto-focus using LSF in aerial push-broom remote-sensing camera[J]. Infrared and Laser Engineering, 41, 1808-1814(2012).

    [12] Ator J T. Image velocity sensing with parallel-slit reticles[J]. Journal of the Optical Society of America, 53, 1416-1422(1963).

    [13] Cai Guixia, Qian Weixian, Yang Jinqing, et al. Pulse laser ranging technique based on differential signal time discrimination method[J]. Infrared and Laser Engineering, 48, 1205001(2019).

    [14] Meng Fanhao, Ding Yalin, Wang Dejiang, et al. Analysis of influence of image motion on auto-focus precision for high resolution aerial camera[J]. Journal of Optics, 35, 73-80(2015).

    [15] Yan Dejie, Xu Shuyan, Han Chengshan. The influence of aircraft attitude on image motion compensation of space camera[J]. Optics and Precision Engineering, 16, 2219-2203(2008).

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    Qi Kang, Lina Zheng, Haijiang Wang. Aerial camera image focusing method based on out-of-phase differential filtering effect[J]. Infrared and Laser Engineering, 2021, 50(8): 20200432

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    Paper Information

    Category: Optical design

    Received: Nov. 9, 2020

    Accepted: --

    Published Online: Nov. 2, 2021

    The Author Email:

    DOI:10.3788/IRLA20200432

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