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Surveyors use Global Positioning System (GPS) technology to measure the precise location and elevation of points on Earth. In a recent survey, GPS receivers were used to determine the coordinates and elevations of two park monuments. The process involved careful mission planning, data collection, and correction to ensure accuracy. The survey began with mission planning to identify optimal satellite visibility and minimize Position Dilution of Precision (PDOP). A geodetic control point...
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The Global Positioning System (GPS) has become an indispensable tool in fieldwork, offering unparalleled precision and efficiency for surveying, navigation, and infrastructure development. By harnessing signals from a constellation of satellites, GPS receivers determine the location of objects with remarkable speed and accuracy, often completing calculations within a second.Advantages of Modern GPS TechnologyContemporary GPS receivers are designed to meet the practical demands of field...
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Geographic Information System (GIS) technology is essential for risk identification, action prioritization, and resource optimization in critical situations like flooding and earthquakes. By integrating spatial and demographic data, GIS provides a comprehensive framework for emergency response.GIS integrates data layers, like rainfall intensity, topography, elevation profiles, and river levels, to model high-risk flood zones. These layers assess areas susceptible to flooding based on their...
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Semi-supervised approach to identify steps, shoes, and gender of older adults under semi-naturalistic conditions using a waist-worn inertial sensor.

Proceedings of the Institution of Mechanical Engineers. Part H, Journal of engineering in medicine·2023
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Related Experiment Video

Updated: Mar 18, 2026

Using a Real-Time Locating System to Measure Walking Activity Associated with Wandering Behaviors Among Institutionalized Older Adults
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Location-based technologies for supporting elderly pedestrian in "getting lost" events.

Edith Pulido Herrera1

  • 1a School of Electric, Electronics and Telecommunications Engineering, Universidad Industrial de Santander , Bucaramanga , Colombia.

Disability and Rehabilitation. Assistive Technology
|July 6, 2016
PubMed
Summary
This summary is machine-generated.

Localization technologies can help keep older adults with dementia safe during getting lost events. Further research is needed for customizable, user-centered systems that improve independence and autonomy.

Keywords:
Alzheimer’s diseaseGPSassistive technologiesdementialocation based servicesspatial disorientationtracking systems

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Area of Science:

  • Gerontology
  • Assistive Technology
  • Human-Computer Interaction

Background:

  • Dementia and Alzheimer's disease pose significant safety risks, particularly 'getting lost' events.
  • Localization-based technologies offer potential solutions for monitoring and supporting older adults with dementia.

Purpose of the Study:

  • To summarize technological contributions for supporting older adults with dementia during getting lost events.
  • To address the concept and ethical issues surrounding the phenomenon of getting lost.

Main Methods:

  • Systematic review of scientific databases and gray literature.
  • Inclusion of related terms like 'wandering' due to the topic's nascent stage.

Main Results:

  • Identified trends in localization systems: personal locators, perimeter systems, and assistance systems.
  • Assistance systems show potential for context awareness to aid both elderly individuals and caregivers.
  • Limited evidence exists on the real-world efficiency and design guidelines for these systems due to a lack of multidisciplinary research.

Conclusions:

  • Further research is essential for developing customizable systems tailored to individual needs.
  • Integrating localization technologies with artificial intelligence can enhance support for older adults.
  • User-centered designs and customizable systems can boost confidence, independence, and autonomy for older adults with dementia.