Search Results - "Ahmed, Nisar R"

Refine Results
  1. 1

    COMPASS: Computations for Orientation and Motion Perception in Altered Sensorimotor States by Kravets, Victoria G, Dixon, Jordan B, Ahmed, Nisar R, Clark, Torin K

    Published in Frontiers in neural circuits (15-10-2021)
    “…Reliable perception of self-motion and orientation requires the central nervous system (CNS) to adapt to changing environments, stimuli, and sensory organ…”
    Get full text
    Journal Article
  2. 2

    Exact and Approximate Heterogeneous Bayesian Decentralized Data Fusion by Dagan, Ofer, Ahmed, Nisar R.

    Published in IEEE transactions on robotics (01-04-2023)
    “…In Bayesian peer-to-peer decentralized data fusion, the underlying distributions held locally by autonomous agents are frequently assumed to be over the same…”
    Get full text
    Journal Article
  3. 3

    Optimal Continuous State POMDP Planning With Semantic Observations: A Variational Approach by Burks, Luke, Loefgren, Ian, Ahmed, Nisar R.

    Published in IEEE transactions on robotics (01-12-2019)
    “…This article develops novel strategies for optimal planning with semantic observations using continuous state partially observable Markov decision processes…”
    Get full text
    Journal Article
  4. 4

    Competency Assessment for Autonomous Agents using Deep Generative Models by Acharya, Aastha, Russell, Rebecca, Ahmed, Nisar R.

    “…For autonomous agents to act as trustworthy partners to human users, they must be able to reliably communicate their competency for the tasks they are asked to…”
    Get full text
    Conference Proceeding
  5. 5

    Conservative Filtering for Heterogeneous Decentralized Data Fusion in Dynamic Robotic Systems by Dagan, Ofer, Ahmed, Nisar R.

    “…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…”
    Get full text
    Conference Proceeding
  6. 6

    Non-Linear Heterogeneous Bayesian Decentralized Data Fusion by Dagan, Ofer, Cinquini, Tycho L., Ahmed, Nisar R.

    “…The factor graph decentralized data fusion (FG-DDF) framework was developed for the analysis and exploitation of conditional independence in heterogeneous…”
    Get full text
    Conference Proceeding
  7. 7

    Fast Consistent Chernoff Fusion of Gaussian Mixtures for Ad Hoc Sensor Networks by Ahmed, N. R., Campbell, M.

    Published in IEEE transactions on signal processing (01-12-2012)
    “…This correspondence examines the Chernoff rule for robust decentralized fusion of non-Gaussian pdfs in dynamic ad hoc sensor networks. Although theoretically…”
    Get full text
    Journal Article
  8. 8

    Unified Terrain Mapping Model With Markov Random Fields by Tse, Rina, Ahmed, Nisar R., Campbell, Mark

    Published in IEEE transactions on robotics (01-04-2015)
    “…A terrain mapping model is proposed using a generalized Markov random field (MRF) representation. Unlike previous work, the proposed MRF can fully represent…”
    Get full text
    Journal Article
  9. 9

    Learning to Forecast Aleatoric and Epistemic Uncertainties over Long Horizon Trajectories by Acharya, Aastha, Russell, Rebecca, Ahmed, Nisar R.

    “…Giving autonomous agents the ability to forecast their own outcomes and uncertainty will allow them to communicate their competencies and be used more safely…”
    Get full text
    Conference Proceeding
  10. 10

    Heterogeneous Decentralized Fusion Using Conditionally Factorized Channel Filters by Dagan, Ofer, Ahmed, Nisar R.

    “…This paper studies a family of heterogeneous Bayesian decentralized data fusion problems. Heterogeneous fusion considers the set of problems in which either…”
    Get full text
    Conference Proceeding
  11. 11

    Data Fusion-Aware Motion Planning for Ad Hoc Robotic Search Teams by Center, Jack D., Ahmed, Nisar R.

    “…This paper develops a novel algorithmic motion planning approach that allows privately-owned volunteer robotic equipment, which might otherwise remain unused,…”
    Get full text
    Conference Proceeding
  12. 12

    Bayesian Multicategorical Soft Data Fusion for Human-Robot Collaboration by Ahmed, N. R., Sample, E. M., Campbell, M.

    Published in IEEE transactions on robotics (01-02-2013)
    “…This paper considers Bayesian data fusion of conventional robot sensor information with ambiguous human-generated categorical information about continuous…”
    Get full text
    Journal Article
  13. 13

    GPS-limited cooperative localization using scalable approximate decentralized data fusion by Dourmashkin, Steven J., Ahmed, Nisar R., Akos, Dennis M., Whitacre, William W.

    “…This work addresses the problem of communication-based autonomous vehicle cooperative inertial navigation and localization in GPS-challenged environments…”
    Get full text
    Conference Proceeding
  14. 14

    Exact and Approximate Heterogeneous Bayesian Decentralized Data Fusion by Dagan, Ofer, Ahmed, Nisar R

    Published 29-01-2024
    “…IEEE Transactions on Robotics 2023 In Bayesian peer-to-peer decentralized data fusion, the underlying distributions held locally by autonomous agents are…”
    Get full text
    Journal Article
  15. 15

    Conservative Filtering for Heterogeneous Decentralized Data Fusion in Dynamic Robotic Systems by Dagan, Ofer, Ahmed, Nisar R

    Published 14-03-2022
    “…2022 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS) This paper presents a method for Bayesian multi-robot peer-to-peer data fusion…”
    Get full text
    Journal Article
  16. 16

    Factor Graphs for Heterogeneous Bayesian Decentralized Data Fusion by Dagan, Ofer, Ahmed, Nisar R.

    “…This paper explores the use of factor graphs as an inference and analysis tool for Bayesian peer-to-peer decentralized data fusion. We propose a framework by…”
    Get full text
    Conference Proceeding
  17. 17

    Dynamic Competency Self-Assessment for Autonomous Agents by Conlon, Nicholas, Ahmed, Nisar R, Szafir, Daniel

    Published 02-03-2023
    “…As autonomous robots are deployed in increasingly complex environments, platform degradation, environmental uncertainties, and deviations from validated…”
    Get full text
    Journal Article
  18. 18

    Learning to Forecast Aleatoric and Epistemic Uncertainties over Long Horizon Trajectories by Acharya, Aastha, Russell, Rebecca, Ahmed, Nisar R

    Published 16-02-2023
    “…Giving autonomous agents the ability to forecast their own outcomes and uncertainty will allow them to communicate their competencies and be used more safely…”
    Get full text
    Journal Article
  19. 19

    Factor Graphs for Heterogeneous Bayesian Decentralized Data Fusion by Dagan, Ofer, Ahmed, Nisar R

    Published 24-06-2021
    “…021 IEEE 24th International Conference on Information Fusion (FUSION), Sun City, South Africa, 2021 This paper explores the use of factor graphs as an…”
    Get full text
    Journal Article
  20. 20

    Decentralized Gaussian Mixture Fusion through Unified Quotient Approximations by Ahmed, Nisar R

    Published 09-07-2019
    “…This work examines the problem of using finite Gaussian mixtures (GM) probability density functions in recursive Bayesian peer-to-peer decentralized data…”
    Get full text
    Journal Article