地学前缘 ›› 2014, Vol. 21 ›› Issue (6): 223-228.DOI: 10.13745/j.esf.2014.06.022

• 论文 • 上一篇    下一篇

月表线性构造自动提取新方法研究:以澄海地区月岭为例

李婧，陈建平，王楠，何姝珺   


  1. 1. 中国地质大学(北京)  地球科学与资源学院，北京 100083 2. 中国地质大学（北京） 国土资源与高新技术研究中心，北京 100083
  • 收稿日期:2014-07-11 修回日期:2014-08-11 出版日期:2014-11-15 发布日期:2014-11-15
  • 作者简介:李婧（1984—），女，博士研究生，地球探测与信息技术专业，主要从事遥感地质和行星科学研究。E-mail: jessicalee1223@gmail.com
  • 基金资助:

    国家自然科学基金项目（41373068）

A new automated approach to detecting and extracting the linear structures on the lunar surface: A case study on the lunar mare ridge of Mare Serenitatis

  • Received:2014-07-11 Revised:2014-08-11 Online:2014-11-15 Published:2014-11-15

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摘要：

月岭作为月球表面上最常见的线性构造之一，可以反映月球区域性的构造特征和应力状态，对研究月球地质演化有着重要意义。前人对线性构造的解译方式通常是以人工目视解译为主，应用遥感影像数据和激光高度计数据等对月表线性构造进行解译和提取。随着数据精度的提高，以及对研究效率的要求，形成一种行之有效的线性构造自动提取方法具有必要性。文中以地形曲率为原理，借鉴前人应用地形曲率提取地表特征线的方法，以“嫦娥一号”CCD2C影像数据和LOLA激光高度计数据和LRO的宽视角影像数据为基础，以澄海为研究区域，进行线性构造的自动提取。研究区试验结果表明，文中提出的基于地形曲率的方法是可行的，并与人工解译的月岭结果进行对比，发现精确度更高，反映地形变化更为明显，为进一步研究构造演化提供基础，提高解译效率和精度。

 

关键词: 月表线性构造, 自动提取, 地形曲率

Abstract:

Lunar mare ridge is one of the most common linear structures of the moon surface; it can reflect the regional tectonic characteristics and stress state; and it is of great significance for studying the geological evolution. Previous mode of the interpretation of the lineaments was usually artificial visual interpretation. We use the data of remote sensing image,  laser altimeter data and so on for interpretation and extraction lineaments of the lunar surface. With the improvement of the data and the requirement of the efficiency, an effective method for the automatic extraction of linear structure is of necessity. This study is based on the landform curvature method and the digital datasets including CE-1-LAM (Chang’E-1, Laser Altimeter) data, LRO-WAC (Lunar Reconnaissance Orbiter, Wide Angle Camera) data, and LRO-LOLA (Lunar Reconnaissance Orbiter, Lunar Orbiter Laser Altimeter) data with resolution of 60 m/pix; the study area is Mare Serenitatis and its linear structures were automatically extracted. The result shows that the method of using landform curvature is feasible. Compared with the results of the artificial interpretation, the accuracy of this method is higher, and the efficiency was improved. It can provide the basis for further study of the tectonic evolution and improve the interpretation precision and efficiency.

 

Key words:  linear structures, automatic detection, landform curvature

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