scholarly journals Autonomous Guidance of UAVs for Real-Time Target Tracking in Adversarial Environments

10.5772/6486 ◽  
2009 ◽  
Author(s):  
Ugur Zengin ◽  
Atilla Dog
Keyword(s):  
Target Tracking ◽  
Real Time ◽  
Autonomous Guidance ◽  
Adversarial Environments

scholarly journals Target tracking accuracy and latency with different 4D ultrasound systems – a robotic phantom study

2020 ◽  
Vol 6 (1) ◽  
Author(s):  
Svenja Ipsen ◽  
Sven Böttger ◽  
Holger Schwegmann ◽  
Floris Ernst
Keyword(s):  
Target Tracking ◽  
Real Time ◽  
Template Matching ◽  
Image Data ◽  
Distinct Advantage ◽  
Reference Trajectory ◽  
Data Streaming ◽  
Tracking Accuracy ◽  
Time Data ◽  
4D Ultrasound

AbstractUltrasound (US) imaging, in contrast to other image guidance techniques, offers the distinct advantage of providing volumetric image data in real-time (4D) without using ionizing radiation. The goal of this study was to perform the first quantitative comparison of three different 4D US systems with fast matrix array probes and real-time data streaming regarding their target tracking accuracy and system latency. Sinusoidal motion of varying amplitudes and frequencies was used to simulate breathing motion with a robotic arm and a static US phantom. US volumes and robot positions were acquired online and stored for retrospective analysis. A template matching approach was used for target localization in the US data. Target motion measured in US was compared to the reference trajectory performed by the robot to determine localization accuracy and system latency. Using the robotic setup, all investigated 4D US systems could detect a moving target with sub-millimeter accuracy. However, especially high system latency increased tracking errors substantially and should be compensated with prediction algorithms for respiratory motion compensation.

scholarly journals First Demonstration of Combined kV/MV Image-Guided Real-Time Dynamic Multileaf-Collimator Target Tracking

2009 ◽  
Vol 74 (3) ◽  
pp. 859-867 ◽  
Author(s):  
Byungchul Cho ◽  
Per R. Poulsen ◽  
Alex Sloutsky ◽  
Amit Sawant ◽  
Paul J. Keall
Keyword(s):  
Target Tracking ◽  
Real Time ◽  
Multileaf Collimator ◽  
Time Dynamic ◽  
Image Guided

A real-time video mosaicking and target tracking system

2005 ◽  
Author(s):  
Nan Jiang ◽  
Lei Ma ◽  
Glen P. Abousleman ◽  
Jennie Si
Keyword(s):  
Target Tracking ◽  
Real Time ◽  
Tracking System

Real-time multiresolutional target tracking

1993 ◽  
Author(s):  
Lang Hong ◽  
John R. Werthmann ◽  
Gregory S. Bierman ◽  
Richard A. Wood
Keyword(s):  
Target Tracking ◽  
Real Time
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