3On-Board Detection and On-Board Matching of Feature Points
3.1INTRODUCTION
The detection and matching of feature points are used as the first step of satellite image processing such as attitude estimation, geometrical calibration, object detection and tracking and ortho-rectification (Mair et al. 2010). While the traditional method whose implementation of detection and matching on ground is not suitable for the increasing requirement for real-time or near real-time remotely sensed imagery applications (Zhou et al. 2004; Zhang 2011). To meet the requirement of real-time processing, various detection and matching algorithms are implemented on field programmable gate array (FPGA), which can offer highly flexible ...
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