Acta Optica Sinica, Volume. 43, Issue 6, 0612006(2023)
Sharpness Evaluation Algorithm Based on Real-Time Automatic Focusing of 1.2 m Telescope System
[1] Huang G X, Liu Y P, Peng H et al. Remote sensing image restoration method based on Lorentz fitting point spread function[J]. Acta Optica Sinica, 41, 1628003(2021).
[2] Li Y Q, Fu H L, Li R W et al. Research and experiment of lunar laser ranging in Yunnan observatories[J]. Chinese Journal of Lasers, 46, 0104004(2019).
[3] Li X Y, Zhu Q S. An automatic focusing system of astronomical telescope based on image definition evaluation[J]. Astronomical Research & Technology, 5, 294-298(2008).
[4] Huang L, Xin L P, Han X H et al. Auto-focusing of wide-angle astronomical telescope[J]. Optics and Precision Engineering, 23, 174-183(2015).
[5] Yuan J H, Cai H B, Liu Q et al. Definition evaluation method for real-time auto-focusing of wide-angle telescope[J]. Optics and Precision Engineering, 25, 1368-1377(2017).
[7] Men T, Chen Z, Xu R et al. Development status and tendency of space target laser ranging technique[J]. Laser & Infrared, 48, 1451-1457(2018).
[8] Tan W, Qi W W, He H Y et al. An on-board autofocusing method for scanning agile remote sensing satellite[J]. Acta Optica Sinica, 40, 0528002(2020).
[9] Tang P Y, Liu J J, Zhang G Y et al. Automatic focusing system of BSST in Antarctic[J]. Proceedings of SPIE, 9678, 967816(2015).
[10] Kang H R, Zuo Y X, Lou Z et al. Accuracy analysis of the pointing and focusing calibration of the 5 m terahertz telescope for dome A in Antarctica[J]. Acta Astronomica Sinica, 59, 51-61(2018).
[12] Zeng H F, Han C P, Li K et al. Improved gradient threshold image sharpness evaluation algorithm[J]. Laser & Optoelectronics Progress, 58, 2211001(2021).
[13] Xie M H, Wang Z M. Anisotropic nonlinear diffusion approach to single image resolution enhancement[J]. Optoelectronics Letters, 1, 144-147(2005).
[14] Otsu N. A threshold selection method from gray-level histograms[J]. IEEE Transactions on Systems, Man, and Cybernetics, 9, 62-66(1979).
[15] Arbabmir M V, Mohammadi S M, Salahshour S et al. Improving night sky star image processing algorithm for star sensors[J]. Journal of the Optical Society of America A, 31, 794-801(2014).
[16] Lee S, Cho K. Design of sub-pixel interpolation circuit for real-time multi-decoder supporting 4K-UHD video images[J]. Journal of IKEEE, 19, 1-9(2015).
[18] Umar A O, Sulaiman I M, Mamat M et al. On damping parameters of Levenberg-Marquardt algorithm for nonlinear least square problems[J]. Journal of Physics: Conference Series, 1734, 012018(2021).
[19] Vaishnnave M P, Devi K S, Srinivasan P et al. Detection and classification of groundnut leaf diseases using KNN classifier[C](2019).
[20] Xie X S, Liu Y K, Liang H W et al. Speckle correlation imaging: from point spread functions to light field plenoptics[J]. Acta Optica Sinica, 40, 0111004(2020).
[22] Courant R, Robbins H[M]. What is mathematics? An elementary approach to ideas and methods, 75-76(1996).
Get Citation
Copy Citation Text
Mengxue Yang, Zhulian Li, Rongwang Li, Yuqiang Li. Sharpness Evaluation Algorithm Based on Real-Time Automatic Focusing of 1.2 m Telescope System[J]. Acta Optica Sinica, 2023, 43(6): 0612006
Category: Instrumentation, Measurement and Metrology
Received: May. 13, 2022
Accepted: Aug. 10, 2022
Published Online: Mar. 13, 2023
The Author Email: Li Yuqiang (lyq@ynao.ac.cn)