A High-Precision Extraction Algorithm for Centroid of Laser Footprint Spot of GF-7 Satellite

Shoufeng Ren; Xinming Tang; Xiaoyong Zhu; Ao Li; Dian Qu

doi:10.3788/AOS202141.1012001

[1] Smith D E, Zuber M T, Neumann G A et al. Topography of the moon from the Clementine lidar[J]. Journal of Geophysical Research: Planets, 102, 1591-1611(1997). http://onlinelibrary.wiley.com/doi/10.1029/96JE02940

[2] Cavanaugh J F, Smith J C, Sun X L et al. The mercury laser altimeter instrument for the MESSENGER mission[J]. Space Science Reviews, 131, 451-479(2007). http://link.springer.com/article/10.1007/s11214-007-9273-4

[3] Smith D E, Zuber M T, Frey H V et al. Mars Orbiter Laser Altimeter: experiment summary after the first year of global mapping of Mars[J]. Journal of Geophysical Research: Planets, 106, 23689-23722(2001). http://adsabs.harvard.edu/abs/2001JGR...10623689S

[4] Smith D E, Zuber M T, Jackson G B et al. The lunar orbiter laser altimeter investigation on the lunar reconnaissance orbiter mission[J]. Space Science Reviews, 150, 209-241(2010).

[5] Garvin J, Bufton J, Blair J et al. Observations of the Earth's topography from the Shuttle Laser Altimeter (SLA): laser-pulse echo-recovery measurements of terrestrial surfaces[J]. Physics and Chemistry of the Earth, 23, 1053-1068(1998). http://www.sciencedirect.com/science/article/pii/S0079194698001451

[6] Li G Y, Tang X M. Analysis and validation of ZY-3 02 satellite laser altimetry data[J]. Acta Geodaetica et Cartographica Sinica, 46, 1939-1949(2017).

[7] Yuan X Q. Study on the footprints image simulation of satellite laser altimeter[D]. Changchun: Changchun University of Science and Technology(2018).

[8] Yang Y Q, Shi R, Yu X N et al. An algorithm to raise the locating precision of laser spot center based on Hough transform[J]. Acta Optica Sinica, 19, 1655-1660(1999).

[9] Shang X J, He M Y, Wang J L. Research of method in light-spot location based on linear CCD[J]. Laser & Infrared, 38, 730-731,740(2008).

[10] Shortis M R, Clarke T A, Short T. Comparison of some techniques for the subpixel location of discrete target images[J]. Proceedings of SPIE, 2350, 239-250(1994). http://proceedings.spiedigitallibrary.org/proceeding.aspx?articleid=981386

[11] Kong B, Wang Z, Tan Y S. Profile measurement in micro order precision by confocal image[J]. Journal of Xi'an Jiaotong University, 25, 1151-1154(2001).

[12] Liu Z R, Wang Z Q, Liu S J et al. Research of precise laser spot center location algorithm[J]. Computer Simulation, 28, 399-401,409(2011).

[13] Kong B, Wang Z, Tan Y S. Algorithm of laser spot detection based on circle fitting[J]. Infrared and Laser Engineering, 31, 275-279(2002).

[14] Pan D, Li Y L, Gao D et al. Center extraction method of multiple and overlapping faculae based on ellipse fitting[J]. Acta Optica Sinica, 40, 1410001(2020).

[15] Yuan X Q, Li G Y, Tang X M et al. Centroid automatic extraction of spaceborne laser spot image[J]. Acta Geodaetica et Cartographica Sinica, 47, 135-141(2018).

[16] Chen H, Yang Z H, Guo P et al. Research of the high precision laser spot center location algorithm[J]. Transactions of Beijing Institute of Technology, 36, 181-185(2016).

[17] Wang M, Zhao J Y, Chen T. Center extraction method for star-map targets based on anisotropic Gaussian surface fitting[J]. Acta Optica Sinica, 37, 0515006(2017).

[18] Li K, Zhang Y S, Meng W C et al. Point-source-target-based method for space remote sensing geometric calibration and positioning accuracy improvement[J]. Acta Optica Sinica, 40, 1828003(2020).

[19] Kasparis T, Keif B. Adaptive median filter for the removal of periodic interference from an image[J]. Proceedings of SPIE, 2238, 207-217(1994).

[20] Hu Q Y. Research on comprehensive measurement of laser parameters[J]. Journal of Jinan University, 6, 68-74(1996).

[21] Yuan Q Q, Zhang G, Chen X J et al. Regularization of point cloud features by fusing improved Canny algorithm[J]. Laser & Optoelectronics Progress, 56, 162801(2019).

[22] Tao Y G, Gao C J[M]. Error theory and data analysis(1997).