美军锁眼侦察卫星计划分析及展望

李爽

李爽. 美军锁眼侦察卫星计划分析及展望[J]. 武汉大学学报 ( 信息科学版). DOI: 10.13203/j.whugis20230128
引用本文: 李爽. 美军锁眼侦察卫星计划分析及展望[J]. 武汉大学学报 ( 信息科学版). DOI: 10.13203/j.whugis20230128
LI Shuang. Analysis and Prospect of the U.S. Army’s Decrypted Keyhole Satellite Program[J]. Geomatics and Information Science of Wuhan University. DOI: 10.13203/j.whugis20230128
Citation: LI Shuang. Analysis and Prospect of the U.S. Army’s Decrypted Keyhole Satellite Program[J]. Geomatics and Information Science of Wuhan University. DOI: 10.13203/j.whugis20230128

美军锁眼侦察卫星计划分析及展望

基金项目: 

国家自然科学基金 (42001184)、 上海市哲学社会科学规划青年课题( 2020ECK004)。

详细信息
    作者简介:

    李爽,博士,青年副研究员,硕士生导师,主要研究领域为历史地理信息化、空间网格。li_shuang@fudna.edu.cn

  • 中图分类号: P208

Analysis and Prospect of the U.S. Army’s Decrypted Keyhole Satellite Program

  • 摘要: 美国曾于 20 世纪五十年代开始,发射“锁眼卫星计划”(KeyHole,简称 KH)系列卫星并记录了全球范围的地表、军事情况,这批资料于九十年代正式解密,用于全球变化等多领域研究。 锁眼卫星影像这一拍摄时间更为早期、成像质量高的遥感数据集是令研究者感到兴奋的,但相较于 Landsat 等现代商业卫星的广泛研究与应用, 锁眼卫星影像无论在遥感等现代科学或历史等学科中,其相关研究还远不够深入。本文从遥感与历史的双重视角出发, 通过对美军锁眼卫星计划进行系统梳理,阐述其阐释产生背景,分析其数据特性,介绍其解密、下载过程,并以 1965 年上海区域为例,探讨了历史影像的处理、图像分类方法。本研究将进一步丰富历史时期航拍影像的研究内容,为遥感前时代尤其是 pre-Landsat 时期的研究、与Landsat 等数据构成更长时间序列等研究的开展提供坚实的历史依据与数据基础。
    Abstract: The U.S. military launched the "Keyhole Satellite Project" (KeyHole) in the 1950s and recorded the surface and military conditions around the world. This batch of data was officially declassified in the 1990s and used for research on global changes and other fields. Keyhole satellite imagery, a remote sensing data set with earlier shooting time and high image quality, is exciting for researchers. However, compared with the extensive research and application of modern commercial satellites such as Landsat, Keyhole's related research is far from deep enough in modern science such as remote sensing or history. Starting from the dual perspectives of remote sensing and history, this article systematically sorts out the keyhole satellite program of the US military, expounds the background of its interpretation, analyzes its data characteristics, and introduces its decryption and downloading process. Then, taking the Shanghai area in 1965 as an example, the processing and image classification methods of historical images were discussed. This study will further enrich the research content of aerial images in the historical period, and provide a solid historical basis and data basis for the development of research in the pre-remote sensing era, especially the pre-Landsat period, and the research of forming a longer time series with Landsat and other data.
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出版历程
  • 收稿日期:  2023-04-09
  • 网络出版日期:  2023-09-07

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