نتایج جستجو برای: uav

تعداد نتایج: 11520  

2006
Alan Hobbs

Executive Summary Human error will pose a threat to the operation of Unmanned Aerial Vehicles (UAVs), just as it does in other fields of aviation. If UAVs are to be permitted to operate in the National Airspace System (NAS), it will be necessary to understand the human factors associated with these vehicles. Rather than eliminating the potential for human error, the removal of the on-board pilo...

Journal: :Remote Sensing 2017
Michael Schirrmann André Hamdorf Antje Giebel Franziska Gleiniger Michael Pflanz Karl-Heinz Dammer

A crop height model (CHM) can be an important element of the decision making process in agriculture, because it relates well with many agronomic parameters, e.g., crop height, plant biomass or crop yield. Today, CHMs can be inexpensively obtained from overlapping imagery captured from unmanned aerial vehicle (UAV) platforms or from proximal sensors attached to ground-based vehicles used for reg...

2008
Greg A. Jamieson Justin Hollands

Unmanned Aerial Vehicles (UAVs) are rapidly becoming an integral part of contemporary military operations. In light of developments in UAV flight and payload technologies, the role of UAV operators is evolving into that of supervisory controller of complex automated system. However, it is well established that human operators perform poorly in this role. A growing body of literature points to t...

2011
Jiawei Xie Yong Li Zhi Chen

The Unmanned Aerial Vehicle (UAV) technology is useful for various tasks ranging from aerial surveillance, homeland security and positioning operations. The capability for the unmanned aerial vehicles to operate autonomously in real environments is a great challenge. With a full featured UAV system, an aircraft could be competent for these tasks. Advances in computing, sensors, and communicatio...

2010
Oktay Baysal Guoqing Zhou

We present a mathematical model for a UAV-based, multi-sensor data integration. As a background, we first discuss the design and the implementation of a low-cost civilian UAV system, including its field flight validation, system calibration, and mapping accuracy evaluation. Then, this photogrammetry-based mathematical model is developed. The field flight tests demonstrate that the designed low-...

2016
Abhinandan Ramaprasath Anand Srinivasan Chung-Horng Lung Marc St-Hilaire

........................................................................................................................... i ACKNOWLEDGEMENTS ....................................................................................................... ii LIST OF ABBREVIATIONS ................................................................................................... iii LIST OF FIGURES ........

Journal: :Remote Sensing 2016
Sophie Crommelinck Rohan Bennett Markus Gerke Francesco Nex Michael Ying Yang George Vosselman

Unmanned Aerial Vehicles (UAVs) have emerged as a rapid, low-cost and flexible acquisition system that appears feasible for application in cadastral mapping: high-resolution imagery, acquired using UAVs, enables a new approach for defining property boundaries. However, UAV-derived data are arguably not exploited to its full potential: based on UAV data, cadastral boundaries are visually detecte...

2016
Jun Peng

Unmanned aerial vehicles (UAVs) have recently become popular for both recreational and commercial use and UAV networks have thus started to attract the attention of researchers in area of the computer communication and networking. One important topic in UAV networks is congestion control because congestion causes packet losses and delays which result in the waste of all types of network resourc...

2016
Simarpreet Kaur Amit Grover Adil Mudasir Malla Ravi Kant Sahu Bachar Wehbi Edgardo Montes de Oca Michel Bourdelles Bin Xiao Bo Yu Chuanshan Gao Chenxi Zhang Rongxing Lu Xiaodong Lin Pin-Han Ho Chia-Chen Hung Hope Chan James R. Riehl

The unmanned aerial vehicles (UAV) can be used in various fields such as weather applications, military applications, remote sensing, oceanography etc. There are many problems for UAV to find best and obstacle free path by detecting obstacle and calculate turn. In this paper, a novel method has proposed model for the obstacle free UAV routing by using the multi-factor distances. The proposed mo...

2004
Per Olof Pettersson Patrick Doherty

The emerging area of intelligent unmanned aerial vehicle (UAV) research has shown rapid development in recent years and offers a great number of research challenges for artificial intelligence. For both military and civil applications, there is a desire to develop more sophisticated UAV platforms where the emphasis is placed on development of intelligent capabilities. Imagine a mission scenario...

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