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Related Experiment Video

Updated: May 14, 2026

Technical Approach for Infrared Tracking for Soft Tissue Navigation with a Holographic Head-Mounted Display and Preclinical Validation
10:25

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Published on: September 2, 2025

Target finding with a spatially aware handheld chart display.

Colin Ware1, Roland Arsenault

  • 1Center for Coastal and Ocean Mapping, University of New Hampshire, Durham, NH 03824, USA. cware@ccom.unh.edu

Human Factors
|February 13, 2013
PubMed
Summary
This summary is machine-generated.

Spatially aware handheld chart displays improve navigation task performance. These devices enhance accuracy, especially for novices, by reducing errors and optimizing attention allocation in marine environments.

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Area of Science:

  • Human-Computer Interaction
  • Marine Navigation Technology
  • Cognitive Psychology

Background:

  • Small-screen devices with accelerometers and magnetometers enable spatially aware handheld maps.
  • These maps can display symbols in a perspective view aligned with device orientation.

Purpose of the Study:

  • Evaluate spatially aware handheld chart displays against fixed displays.
  • Investigate cognitive strategies during symbol-to-feature matching under varying display conditions.

Main Methods:

  • Simulated marine environment using a panoramic display.
  • Task: matching scene targets to chart symbols.
  • Experiment 1: handheld vs. fixed track-up display. Experiment 2: added gaze monitoring and varied display-scene distance.

Main Results:

  • Participants were faster using the handheld device.
  • Novice users showed significantly higher accuracy with the handheld display.
  • Gaze allocation strategies differed when switching between map displays and environmental views.

Conclusions:

  • Spatially aware handheld displays offer significant benefits for common navigation tasks, reducing errors.
  • Chart display design should account for spatial transformation difficulty and attention allocation.