4On-Board Detection of Ground Control Points
4.1INTRODUCTION
Traditionally, the ground control points (GCPs) are acquired by a special equipment or manually measured from a referenced image. Such a traditional method cannot meet the performance requirement for real-time response to time-critical events in practice (Zhou et al. 2017; Leng et al. 2018, Deng et al. 2008). Therefore, this chapter aims to automatically extract GCPs from the remotely sensed image in real-time (Liu 2022).
The literatures on local feature point detection are wide and can be back to 1950s, which was first observed by Attneave (Attneave 1954) who though that shape information concentrated at dominant points has a high curvature (Tuytelaars ...
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