月球表面遥感图像阴影消除及其信息恢复研究

李先华, 刘顺喜, 黄微, 罗庆洲, 曾齐红, 黄睿, 时向勇

李先华, 刘顺喜, 黄微, 罗庆洲, 曾齐红, 黄睿, 时向勇. 月球表面遥感图像阴影消除及其信息恢复研究[J]. 应用光学, 2009, 30(3): 423-426.
引用本文: 李先华, 刘顺喜, 黄微, 罗庆洲, 曾齐红, 黄睿, 时向勇. 月球表面遥感图像阴影消除及其信息恢复研究[J]. 应用光学, 2009, 30(3): 423-426.
shu
LI Xian-hua, LIU Shun-xi, HUANG Wei, LUO Qing-zhou, ZENG Qi-hong, HUANG Rui, SHI Xiang-yong. Shadow removal and information recovery for remote sensing images of lunar surface[J]. Journal of Applied Optics, 2009, 30(3): 423-426.
Citation: LI Xian-hua, LIU Shun-xi, HUANG Wei, LUO Qing-zhou, ZENG Qi-hong, HUANG Rui, SHI Xiang-yong. Shadow removal and information recovery for remote sensing images of lunar surface[J]. Journal of Applied Optics, 2009, 30(3): 423-426.
shu

月球表面遥感图像阴影消除及其信息恢复研究

  • 1.

    上海大学通信与信息工程学院遥感与空间信息科学研究中心,上海200072;

  • 2.

    中国土地勘测规划院,北京100035;

  • 3.

    南京信息工程大学遥感学院,江苏南京210044

详细信息
    通讯作者:

    李先华（1948-），男，四川人，教授，博士生导师，主要从事遥感与地理信息系统研究。

  • 中图分类号: TN911.73;TP751

Shadow removal and information recovery for remote sensing images of lunar surface

  • 1.

    Research Center of Remote Sensing and Spatial Information Science,Shanghai University,Shanghai 200072,China;

  • 2.

    China Land Surveying and Planning Institute,Beijing 100035,China;

  • 3.

    School of Remote Sensing,Nanjing University of Information Science &Technology,Nanjing 210044,China

摘要

    摘要
  • 摘要: 由于月球表面的地形起伏引起月面遥感图像像素与太阳相对位置和几何取向不一致，导致月面遥感数字图像上阴影像素的产生。为了解决这一问题，利用与遥感图像匹配的DEM和光照方位参数进行遥感图像的阴影判断，基于DEM数据，利用邻坡反射辐射，进行自然地形条件下的月表遥感图像阴影像素的阴影消除，恢复成太阳光谱照度相等（入射角，反射角和距离相同）时的像素遥感值。仿真实验结果表明：该方法较好地消除了月表影像的阴影，充分恢复了月表影像的反射/光谱特征。
    Abstract: Since the undulate topography of the lunar surface leads to the variance of the lunar surface remote sensing image pixels with the sun relative location and geometry orientation, the shadow pixels of the lunar surface remote sensing digital images are produced. In order to solve the problem, the judgment of the shadow on remote sensing images was implemented by utilizing DEM matching with the remote sensing images and the parameters of illumination orientation. A method for shadow removal of lunar remote sensing images taken under the condition of the natural topography was developed using adjacent reflective radiation based on DEM data. The shadow pixels remote sensing value can be rectified to the horizontal remote sensing value with same solar direct radiation. The simulation experiment result shows that the method can eliminate the shadow of lunar surface images and can thoroughly recover the reflection/spectrum characteristics of lunar surface images.
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    • 参考文献(1)
  • ［1］梁燕熙.光学计量技术在月球探测工程中的作用［J］.应用光学,2006,27(1):1-4
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    ［6］李先华,黄雪礁,池天河，等. 卫片像元太阳高度角和方位角的计算原理与方法［J］. 测绘学报，1993，22(2)：149-154.
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    ［8］李先华, 章皖秋，徐丽华，等. GIS支持下像元地面方向反射几何参数计算［J］. 电波科学学报,2004,19(4):485-491.
    LI Xian-hua, ZHANG Wan-qiu, XU Li-hua,et al. Principles and methodology for geometrical parameter calculation of BRDF by GIS［J］. Chinese Journal of Radio Science, 2004,19(4):485-491. (in Chinese with an English abstract)
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  • 刊出日期:  2009-05-09

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