3On-Board Detection and On-Board Matching of Feature Points

DOI: 10.1201/9781003319634-3

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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