• Infrared and Laser Engineering
  • Vol. 51, Issue 12, 20220238 (2022)
Xiaojie Zhang1,2,3, Wei Wei1,2,3,*, Yonghui Hou1,2, Yong Zhang1,2..., Hangxin Ji1,2, Xiaofei Li1,2, Qishuai Lu1,2, Kang Huang1,2,3 and Yuyao Liu1,2,3|Show fewer author(s)
Author Affiliations
  • 1National Astronomical Observatories/Nanjing Institute of Astronomical Optics & Technology, Chinese Academy of Sciences, Nanjing 210042, China
  • 2CAS Key Laboratory of Astronomical Optics & Technology, Nanjing Institute of Astronomical Optics & Technology, Nanjing 210042, China
  • 3University of Chinese Academy of Sciences, Beijing 100049, China
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    DOI: 10.3788/IRLA20220238 Cite this Article
    Xiaojie Zhang, Wei Wei, Yonghui Hou, Yong Zhang, Hangxin Ji, Xiaofei Li, Qishuai Lu, Kang Huang, Yuyao Liu. Defocus diagnosis method of LAMOST spectrograph based on multi-object image definition evaluation[J]. Infrared and Laser Engineering, 2022, 51(12): 20220238 Copy Citation Text show less
    References

    [1] Su Dingqiang, Cui Xiangqun, Wang Yanan, et al. Largeskyarea multiobject fiber spectroscopic telescope (LAMOST) its key technology [C]Proceedings of SPIE, 1998, 3352: 319250.

    [2] Huang Shuo, Zou Hua, Tianjiao Liu, et al. An active flexure compensation method for LAMOST spectrograph based on BP-Neural network. Research in Astronomy and Astrophysics, 20, 18-25(2020).

    [3] Haifei Zeng, Changpei Han, Kai Li, et al. Improved gradient threshold image sharpness evaluation algorithm. Laser & Optoelectronics Progress, 58, 2211001(2021).

    [4] Rui Xiong, Naiting Gu, Hongyan Xu. An auto-focusing evaluation function adapted to multi-directional gray gradient change. Laser & Optoelectronics Progress, 59, 0418001(2022).

    [5] Bin Liu, Qian Qiao, Zimiao Zhang, et al. 3D profile measurement based on depth from focus method using high-frequency component variance weighted entropy image sharpness evaluation function. Infrared and Laser Engineering, 50, 20200326(2021).

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

    [7] Kui Xiang, Jian Gao. Research on the image definition evaluation algorithm in autofocus process. Modular Machine Tool & Automatic Manufacturing Technique, 52-55(2019).

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    [9] Hou Yonghui, Zhu Yongtian, Hu Zhongwen, et al. Perfmance sensitivity of lowresolution spectrographs f LAMOST [C]Groundbased Airbne Instrumentation f Astronomy III, SPIE, 2010, 7735: 177185.

    [10] Chengbin Xing, Shengsheng Gong, Xiaoliang Yu, et al. Application of gaussian mixture clustering to moving surface fitting filter classification. Infrared and Laser Engineering, 50, 20200501(2021).

    [11] Zhiyong Tao, Xiaofang Liu, Hezhang Wang. Clustering algorithm of gaussian mixture model based on density peaks. Journal of Computer Applications, 38, 3433-3437, 3443(2018).

    [12] Deqiang Shan, Chao Hu, Feifei Liu. Threshold analysis and center point extraction of spot images. Computer & Digital Engineering, 48, 1753-1756(2020).

    [13] Jing Zhang, Youyu Wu. Locating algorithm of optical fiber spot center based on FPGA. Laser Technology, 41, 769-774(2017).

    [14] Deng Pan, Yanli Li, Dong Gao, et al. Center extraction method of multiple and overlapping faculae based on ellipsefitting. Acta Optica Sinica, 40, 1410001(2020).

    [15] YongPing Zhai, Dongxiang Zhou, Yunhui Liu, et al. Design of evaluation index for auto-focusing function and optimal function selection. Acta Optica Sinica, 31, 0418002(2011).

    Xiaojie Zhang, Wei Wei, Yonghui Hou, Yong Zhang, Hangxin Ji, Xiaofei Li, Qishuai Lu, Kang Huang, Yuyao Liu. Defocus diagnosis method of LAMOST spectrograph based on multi-object image definition evaluation[J]. Infrared and Laser Engineering, 2022, 51(12): 20220238
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