Real-time tracking method and system for ground moving object based on unmanned aerial vehicle (UAV)

A ground moving target, real-time tracking technology, applied in the field of UAV navigation, can solve problems such as difficulty in target detection and recognition, and achieve the effects of avoiding the influence of background noise, easy to implement, and high matching efficiency

Active Publication Date: 2017-07-25
CENT SOUTH UNIV
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  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

[0011] The present invention aims to provide a method and system for real-time tracking of ground moving targets ba

Method used

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  • Real-time tracking method and system for ground moving object based on unmanned aerial vehicle (UAV)
  • Real-time tracking method and system for ground moving object based on unmanned aerial vehicle (UAV)
  • Real-time tracking method and system for ground moving object based on unmanned aerial vehicle (UAV)

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Embodiment Construction

[0059] figure 1 It is a composition diagram of UAV system, which includes UAV, camera, wireless transmission equipment and ground control station. As the carrier of the camera, the UAV expands the shooting range of the camera. The wireless transmission equipment provides a communication method for the download of the image sequence collected by the UAV and the upload of the flight control command of the ground station; the ground control station includes four modules, namely the target detection and recognition module, the target tracking module, the target search module, and the tracking command Generate modules.

[0060] The specific implementation method of UAV system tracking is as follows:

[0061] 1. The UAV uses the pre-planned flight path to patrol according to the flight area specified by the user. The camera downloads the image sequence captured by the wireless transmission device to the target detection and recognition module of the ground control station for proc...

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Abstract

The invention discloses a real-time tracking method and system for a ground moving object based on an UAV. An objection detection and identification module of a ground control station is started to process an image sequence returned from a camera, and the size and central coordinate of a target rectangular frame in a display screen of the ground station are obtained; an object tracking module is started, an algorithm fusion strategy is used to track an object, and if tracking is effective, an object positioning result is output to a tracking instruction generation module; if the object is not positioned, an object searching module is started, and the object is searched and an object positioning result is output to the tracking instruction generation module; and according to the requirement that an object image needs to be positioned in the center of the display screen of the ground station, the tracking instruction generation module generates a UAV position and posture adjusting instruction, and uploads the instruction to a UAV flight control system via a wireless transmission device to adjust the posture in real time. According to the system and method, the matching efficiency is high, realization is easy, the object can be identified effectively, and influence of background noises is avoided.

Description

technical field [0001] The invention belongs to the field of unmanned aerial vehicle navigation and computer vision, and in particular relates to a method for automatically detecting and tracking a target by using an unmanned aerial vehicle. Background technique [0002] UAVs have the advantages of high maneuverability, high resolution, good concealment, and flexible operation. Therefore, it has a huge advantage in the field of target reconnaissance and tracking, and has a larger surveillance range than traditional fixed cameras. It is mainly used in day and night air reconnaissance, traffic surveillance, military surveying and mapping and other fields. Utilizing the video sensor carried by the UAV to track and analyze the ground moving target has great practical significance in civil and military applications. [0003] First of all, for most video surveillance systems, an area requiring special attention is monitored when the camera is stationary. The background is static...

Claims

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Application Information

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IPC IPC(8): G06T7/246
CPCG06T2207/10016G06T2207/30181G06T2207/30232
Inventor 谭冠政李波刘西亚陈佳庆
Owner CENT SOUTH UNIV
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