• Infrared and Laser Engineering
  • Vol. 50, Issue 3, 20211022 (2021)
Huijie Zhao1, Xiaoyuan Zhang1, Guorui Jia1, Xianfei Qiu1, and Liang Zhai2
Author Affiliations
  • 1Key Laboratory of Education Ministry of Precision Opto-mechatromics Technology, School of Instrumentation Science and Opto-electronics Engineering, Beihang University, Beijing 100191, China
  • 2Chinese Academy of Surveying and Mapping, Beijing 100830, China
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    DOI: 10.3788/IRLA20211022 Cite this Article
    Huijie Zhao, Xiaoyuan Zhang, Guorui Jia, Xianfei Qiu, Liang Zhai. Image registration of the dual-channel spaceborne hyperspectral imager with motion compensation[J]. Infrared and Laser Engineering, 2021, 50(3): 20211022 Copy Citation Text show less
    Sketch map of field separation
    Fig. 1. Sketch map of field separation
    Sketch map of imaging with motion compensation
    Fig. 2. Sketch map of imaging with motion compensation
    Ground sampling distance of middle pixel on different lines (n is motion compensation ratio)
    Fig. 3. Ground sampling distance of middle pixel on different lines (n is motion compensation ratio)
    Distortion curve of VNIR and SWIR (n is motion compensation ratio)
    Fig. 4. Distortion curve of VNIR and SWIR (n is motion compensation ratio)
    Mismatch curve of SWIR channel(n is motion compensation ratio)
    Fig. 5. Mismatch curve of SWIR channel(n is motion compensation ratio)
    Original hyperspectral images (band30)
    Fig. 6. Original hyperspectral images (band30)
    Result of geometric correction (band30)
    Fig. 7. Result of geometric correction (band30)
    Spectral reflectance curves of feature ground point
    Fig. 8. Spectral reflectance curves of feature ground point
    Field separation angleMotion compensation angle θn
    SWIR1SWIR2n=2 n=4 n=6
    0.5°1.0°2.426°7.238°11.932°
    Table 1. [in Chinese]
    SIFTProposed method
    Object coordinate VNIRObject coordinate SWIRError/pixelObject coordinate VNIRObject coordinate SWIRError/pixel
    |x| |y| Distance|x| |y| Distance
    1(896.49,1214.57)(891.30,1213.94)5.20.65.2(764.34,892.07)(764.52,892.44)0.20.40.4
    2(807.72,801.63)(803.68,802.30)4.00.84.1(721.48,1308.15)(721.63,1308.43)0.10.30.3
    3(683.18,1581.33)(678.90,1582.21)4.10.94.2(1080.13,591.93)(1080.47,592.32)0.30.40.5
    4(415.23,98.09)(417.95,96.88)2.71.22.9(964.61,2115.28)(964.95,2114.86)0.30.40.5
    5(385.33,592.64)(389.34,592)4.00.64.0(1125.58,1641.73)(1125.42,1641.49)0.30.20.4
    6(413.81,1045.86)(416.40,1046.47)2.60.62.7(1217.77,1190.68)(1217.63,1190.51)0.10.20.2
    7(230.92,252.77)(234.06.,251.92)3.40.83.5(1194.58,2019.39)(1194.84,2019.07)0.30.30.4
    8(309.25,868.61)(312.89,869.133.60.53.7(1275.79,1390.07)(1275.88,1390.28)0.10.10.1
    9(168.55,1439.82)(173.13,1440.84)4.61.04.7(1569.27,872.26)(1569.46,872.17)0.20.10.2
    10(93.60,1874.59)(97.04,1875.85)3.41.33.6(1747.45,470.69)(1747.35,470.54)0.10.10.1
    Average3.80.83.9Average0.20.30.3
    Table 2. [in Chinese]
    Huijie Zhao, Xiaoyuan Zhang, Guorui Jia, Xianfei Qiu, Liang Zhai. Image registration of the dual-channel spaceborne hyperspectral imager with motion compensation[J]. Infrared and Laser Engineering, 2021, 50(3): 20211022
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