The Applicability of a Complete Archive of Keyhole Imagery for Land-Use Change Detection in China (1960–1984)

Declassified Keyhole imagery partially provides multi-temporal coverage that can support land-use change analysis. However, the volume of commercial (paid) Keyhole data is much larger than that of free imagery, and the extent to which commercial data can enhance the application of Keyhole imagery fo...

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Bibliographic Details
Main Authors: Hao Li, Tao Wang, Jinyu Sun
Format: Article
Language:English
Published: MDPI AG 2025-05-01
Series:Sensors
Subjects:
Online Access:https://www.mdpi.com/1424-8220/25/10/3147
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