Improved a-star search algorithm for probabilistic air pollution detection using UAVs

I Ha - Sensors, 2024 - mdpi.com
Recently, air pollution problems in urban areas have become serious, and unmanned aerial
vehicles (UAVs) can be used to monitor air pollution because they can perform spatial …

Coordinated search with a swarm of UAVs

S Waharte, N Trigoni, S Julier - … on sensor, mesh and ad hoc …, 2009 - ieeexplore.ieee.org
Search is a fundamental task for wilderness search and rescue that can greatly benefit from
the use of a swarm of autonomous UAVs to survey the environment. The benefits are …

Analysis of search decision making using probabilistic search strategies

TH Chung, JW Burdick - IEEE Transactions on Robotics, 2011 - ieeexplore.ieee.org
In this paper, we propose a formulation of the spatial search problem, where a mobile
searching agent seeks to locate a stationary target in a given search region or declare that …

Cooperative search by UAV teams: A model predictive approach using dynamic graphs

JR Riehl, GE Collins… - IEEE Transactions on …, 2011 - ieeexplore.ieee.org
A receding-horizon cooperative search algorithm is presented that jointly optimizes routes
and sensor orientations for a team of autonomous agents searching for a mobile target in a …

Multi-robot monitoring in dynamic environments with guaranteed currency of observations

SL Smith, D Rus - 49th IEEE conference on decision and …, 2010 - ieeexplore.ieee.org
In this paper we consider the problem of monitoring a known set of stationary features (or
locations of interest) in an environment. To observe a feature, a robot must visit its location …

Probabilistic target detection by camera-equipped UAVs

A Symington, S Waharte, S Julier… - 2010 IEEE International …, 2010 - ieeexplore.ieee.org
This paper is motivated by the real world problem of search and rescue by unmanned aerial
vehicles (UAVs). We consider the problem of tracking a static target from a bird's-eye view …

Informed visual search: Combining attention and object recognition

PE Forssén, D Meger, K Lai, S Helmer… - … on Robotics and …, 2008 - ieeexplore.ieee.org
This paper studies the sequential object recognition problem faced by a mobile robot
searching for specific objects within a cluttered environment. In contrast to current state-of …

Attention-based active visual search for mobile robots

A Rasouli, P Lanillos, G Cheng, JK Tsotsos - Autonomous Robots, 2020 - Springer
We present an active visual search model for finding objects in unknown environments. The
proposed algorithm guides the robot towards the sought object using the relevant stimuli …

A probabilistic target search algorithm based on hierarchical collaboration for improving rapidity of drones

IK Ha, YZ Cho - Sensors, 2018 - mdpi.com
Finding a target quickly is one of the most important tasks in drone operations. In particular,
rapid target detection is a critical issue for tasks such as finding rescue victims during the …

Probabilistic search with agile UAVs

S Waharte, A Symington… - 2010 IEEE International …, 2010 - ieeexplore.ieee.org
Through their ability to rapidly acquire aerial imagery, Unmanned Aerial Vehicles (UAVs)
have the potential to aid target search tasks. Many of the core algorithms which are used to …