Abstract
As a typical cyber-physical system, networked unmanned aerial vehicles (UAVs) have received much attention in recent years. Emerging communication technologies and high-performance control methods enable networked UAVs to operate as aerial sensor networks to collect more complete and consistent information with significantly improved mobility and flexibility than traditional sensing platforms. One of the main applications of networked UAVs is surveillance and monitoring, which constitute essential components of a well-functioning public safety system and many industrial applications. Although the existing literature on surveillance and monitoring UAVs is extensive, a comprehensive survey on this topic is lacking. This article classifies publications on networked UAVs for surveillance and monitoring using the targets of interest and analyzes several typical problems on this topic, including the control, navigation, and deployment optimization of UAVs. The related research gaps and future directions are also presented.
Highlights
Different from the widely studied target tracking for surveillance, which requires a target to be within the field of view of a unmanned aerial vehicles (UAVs), a few recent publications have investigated covert surveillance for security purposes [36,37], which aims at avoiding being noticed by the target
We presented a review on the use of UAVs for general target surveillance, traffic monitoring, wildlife monitoring, and radio surveillance
The related research gap and future directions in the form of limitations of existing approaches and possible solutions are discussed at the end of each main section
Summary
Surveillance involves the monitoring of a person, a group of people, behaviours, activities, infrastructure, or buildings to collect, influence, manage, or guide information. A typical surveillance environment could be large scale and scattered It is difficult for traditional manual surveillance methods to efficiently locate and reach the locations of concern or faults in facilities.In addition, traditional surveillance is a labour-intensive task: many repetitive tasks in various work scenarios require much manpower, and the labour costs increase year-by-year. UAVs can quickly cover large and difficult-to-reach areas, reducing the labour costs, and they do not require much space for the operators [3]. They have become advanced tools to replace human labour in completing surveillance and in monitoring work efficiently and safely [4].
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