A general framework for tactical exploitation of multi-source images
2020
Satellite imaging reconnaissance and aerial video surveillance may be the most important means for monitoring objects on the ground. First, we discuss the requirements on reconnaissance information for different missions including strategic operations, tactical tasks and fire control. In terms of precision and timeliness, we analyze the characteristics of reconnaissance images or videos captured by different platforms such as satellites and aerial vehicles. Then, we propose a general framework for tactical exploitation of multi-source images, which can provide a Common Operational Picture (COP) which is both real-time and precise enough for tactical purposes or even for fire control. According to this framework, we detect, identify, and track objects, and obtain higher precision by integrating the aerial videos and the satellite images. To show how to integrate the aerial videos and the satellite images, we study image registration techniques, analyze the differences between these two kinds of images, and present a feature-based geo-registration procedure. By spatially aligning these images, we can obtain the geographical coordinates of high precision in real time. The framework can be adopted for striking time-sensitive ground targets.
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