Pixel extraction of reflected point source image for high spatial resolution optical remote sensing satellite

被引：0
作者：
Xu W. [1 ,2 ]
Zhang L. [1 ,2 ]
Li X. [1 ,2 ]
Yang B. [1 ,2 ]
机构：
[1] Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei
[2] Key Laboratory of Optical Calibration and Characterization of Chinese Academy of Sciences, Hefei
来源：
| 1600年 / SinoMaps Press卷 / 49期
基金：
中国国家自然科学基金;
关键词：
Collineation checkout; Geometric calibration; Pixel extraction; Reflected point source; Scale checkout;
D O I：
10.11947/j.AGCS.2020.20190246
中图分类号：
学科分类号：
摘要：
Pixel extraction accuracy is one of the key factors for geometric calibration accuracy of high resolution optical remote sensing satellites. A pixel extraction method is presented based on the light and small, automated reflected point source, which obtained pixel coordinates of point source image by parameterized Gaussian model fitting. The preliminary results show that the collinear error of pixel coordinates extracted by the reflected point source method is less than 0.001 pixels. The relative standard deviation of the proportional constant is also less than 5‰. And pixel coordinates extraction accuracy of point source image is less than 0.05 pixels comparing with common methods such as centroid method. The reflected point source can not only achieve high-precision pixel extraction, but also realize high-precision geometric calibration and image quality evaluation of high resolution optical remote sensing satellites, which is of great significance for improving the accuracy of China's space remote sensing stereo mapping. © 2020, Surveying and Mapping Press. All right reserved.
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收藏
页码：1295 / 1302
页数：7
相关论文
共 25 条
  • [1] XU Weiwei, ZHANG Liming, LI Xin, Et al., On-orbit absolute radiometric calibration of high resolution satellite optical sensor based on gray-scale targets, Infrared and Laser Engineering, 47, 4, (2018)
  • [2] WANG Mi, TIAN Yuan, CHENG Yufeng, Development of on-orbit geometric calibration for high resolution optical remote sensing satellite, Geomatics and Information Science of Wuhan University, 42, 11, pp. 1580-1588, (2017)
  • [3] XU Weiwei, ZHANG Liming, SI Xiaolong, Et al., On-orbit modulation transfer function detection of high resolution optical satellite sensor based on reflected point sources, Acta Optica Sinica, 37, 7, (2017)
  • [4] TANG Xinming, ZHANG Guo, ZHU Xiaoyong, Et al., Triple linear-array imaging geometry model of Ziyuan-3 surveying satellite and its validation, Acta Geodaetica et Cartographica Sinica, 41, 2, pp. 191-198, (2012)
  • [5] CHEN Yifu, Research on in-orbit calibration of satellite's three-line-array TDI CCD sensors, (2012)
  • [6] LI Xiuju, Research on methods for on-orbit geometric calibration of high resolution remote sensing satellite, (2013)
  • [7] FAN Dazhao, LIU Chubin, LEI Rong, Et al., Detection of constant angular error for ZY03 panchromatic imagery, Geomatics World, 20, 4, pp. 37-40, (2013)
  • [8] LI Shaofeng, ZHANG Jianxia, LIU Baohuan, Study on measurement methods of digital photogrammetric image measurement accuracy, Geomatics Technology and Equipment, 16, 3, pp. 25-28, (2014)
  • [9] MULAWA D., On-orbit geometric calibration of the orbview-3 high resolution imaging satellite, International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 35, B1, pp. 1-6, (2004)
  • [10] LEPRINCE S, BARBOT S, AYOUB F, Et al., Automatic and precise orthorectification, coregistration, and subpixel correlation of satellite images, application to ground deformation measurements, IEEE Transactions on Geoscience and Remote Sensing, 45, 6, pp. 1529-1558, (2007)
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