Distributed data fusion: Neighbors, rumors, and the art of collective knowledge

ME Campbell, NR Ahmed - IEEE Control Systems Magazine, 2016 - ieeexplore.ieee.org
Distributed data fusion (DDF) is the process whereby a group of agents sense their local
environment, communicate with other agents, and collectively try to infer knowledge about a …

Bayesian estimation of dynamic finite mixtures

I Nagy, E Suzdaleva, M Kárný… - International Journal of …, 2011 - Wiley Online Library
The paper introduces an algorithm for estimation of dynamic mixture models. A new feature
of the proposed algorithm is the ability to consider a dynamic form not only for component …

Conservative filtering for heterogeneous decentralized data fusion in dynamic robotic systems

O Dagan, NR Ahmed - 2022 IEEE/RSJ International …, 2022 - ieeexplore.ieee.org
This paper presents a method for Bayesian multi-robot peer-to-peer data fusion where any
pair of autonomous robots hold non-identical, but overlapping parts of a global joint …

Unified mixture-model based terrain estimation with Markov Random Fields

R Tse, N Ahmed, M Campbell - 2012 IEEE International …, 2012 - ieeexplore.ieee.org
This paper proposes a Markov Random Field (MRF) representation for sensor and terrain
information fusion in a 2.5 D map. Unlike in the previous works, the proposed MRF formally …

Exact and approximate heterogeneous bayesian decentralized data fusion

O Dagan, NR Ahmed - IEEE Transactions on Robotics, 2022 - ieeexplore.ieee.org
In Bayesian peer-to-peer decentralized data fusion, the underlying distributions held locally
by autonomous agents are frequently assumed to be over the same set of variables …

Towards Decentralized Heterogeneous Multi-Robot SLAM and Target Tracking

O Dagan, TL Cinquini, L Morrissey, K Such… - arXiv preprint arXiv …, 2023 - arxiv.org
In many robotics problems, there is a significant gain in collaborative information sharing
between multiple robots, for exploration, search and rescue, tracking multiple targets, or …

Mesh estimation of terrain

MS McDaniel, A Cappalunga, S Dutta, A Broggi… - US Patent …, 2014 - Google Patents
A method for generating a three dimensional grid of terrain includes receiving data
representing a three-dimensional point cloud and generating a plurality of slices of the data …

Unified terrain mapping model with Markov random fields

R Tse, NR Ahmed, M Campbell - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
A terrain mapping model is proposed using a generalized Markov random field (MRF)
representation. Unlike previous work, the proposed MRF can fully represent uncertainties …

Probabilistic multi-level maps from LIDAR data

C Rivadeneyra, M Campbell - The International Journal of …, 2011 - journals.sagepub.com
Recent research has shown that robots can model their world with Multi-Level (ML) maps,
which utilize patches in a two-dimensional grid space to represent various environment …

What's one mixture divided by another?: A unified approach to high-fidelity distributed data fusion with mixture models

NR Ahmed - … Conference on Multisensor Fusion and Integration …, 2015 - ieeexplore.ieee.org
This work examines the problem of using finite Gaussian mixtures (GMs) in Bayesian
message passing algorithms for decentralized data fusion (DDF). It is shown that both exact …