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Probabilistic search of human by autonomous mobile robot

Published: 25 May 2011 Publication History

Abstract

This paper focuses on the development of an approach for an indoor mobile robot to search the elderly person living alone in an unstructured and dynamic household environment. In order to reach the elderly person, to perform different tasks or in case of an emergency, the mobile robot needs to navigate autonomously in the home environment with the perception of presence of the person at a particular place at a specific time. The estimation of possible locations of a person is carried out using a behavior based Markov Decision Process (MDP). The implemented methodology centers two criteria for searching the person, namely distance to the destination and the probability of finding the person at that location. This estimated destination is reached autonomously by the robot. The autonomous navigation is supported by building a detailed grid map of the environment and planning a path to the required target. Upon reaching the destination, a search for the human face is carried out using a Haar cascade classifier. To validate the methodology over a longer period of time, a 3D simulated environment has also been created. This environment resembles a real house environment and features simulation of a small robot, Artos, which performs the task of searching and a human simulation that walks around in different rooms. The results from simulation shows effectiveness of the developed methodology.

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  • (2020)Ubiquitous healthcare on smart environments: A systematic mapping studyJournal of Ambient Intelligence and Smart Environments10.3233/AIS-200581(1-17)Online publication date: 17-Nov-2020

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cover image ACM Other conferences
PETRA '11: Proceedings of the 4th International Conference on PErvasive Technologies Related to Assistive Environments
May 2011
401 pages
ISBN:9781450307727
DOI:10.1145/2141622
Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

Sponsors

  • NSF: National Science Foundation
  • Foundation of the Hellenic World
  • ICS-FORTH: Institute of Computer Science, Foundation for Research and Technology - Hellas
  • U of Tex at Arlington: U of Tex at Arlington
  • UCG: University of Central Greece
  • Didaskaleio Konstantinos Karatheodoris, University of the Aegean
  • Fulbrigh, Greece: Fulbright Foundation, Greece
  • Ionian: Ionian University, GREECE

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Association for Computing Machinery

New York, NY, United States

Publication History

Published: 25 May 2011

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Author Tags

  1. Markov decision process
  2. assisted living robot
  3. human search
  4. indoor robot
  5. mapping
  6. mapping and navigation
  7. navigation

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PETRA '11
Sponsor:
  • NSF
  • ICS-FORTH
  • U of Tex at Arlington
  • UCG
  • Fulbrigh, Greece
  • Ionian

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Cited By

View all
  • (2020)Ubiquitous healthcare on smart environments: A systematic mapping studyJournal of Ambient Intelligence and Smart Environments10.3233/AIS-200581(1-17)Online publication date: 17-Nov-2020

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