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Development of an Audio-based Virtual Gaming Environment to Assist with Navigation Skills in the Blind
Published on: March 27, 2013
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Network QoS Impact on Spatial Perception through Sensory Substitution in Navigation Systems for Blind and Visually
Santiago Real1, Alvaro Araujo1
1B105 Electronic Systems Lab, Escuela Técnica Superior de Ingenieros de Telecomunicación, Universidad Politécnica de Madrid, Avenida Complutense 30, 28040 Madrid, Spain.
Sensors (Basel, Switzerland)
|March 30, 2023
Summary
Navigation systems for visually impaired individuals face temporal constraints. Delays between user actions and system feedback impact spatial learning, but users can adapt over time.
Area of Science:
- Human-computer interaction
- Assistive technology
- Perception and cognitive science
Background:
- Evolving navigation systems for the visually impaired utilize low-cost, distributed front-end devices.
- These devices translate environmental data using human perceptual and cognitive theories, emphasizing sensorimotor coupling.
- Understanding temporal constraints in human-machine interfaces is crucial for networked navigation solutions.
Purpose of the Study:
- To investigate temporal constraints in human-machine interfaces for visually impaired navigation systems.
- To determine the impact of delays between motor actions and system-triggered stimuli on user performance.
- To identify design factors for networked navigation solutions considering sensorimotor coupling.
Main Methods:
- Conducted three tests with 25 participants using a navigation system.
- Varied delay conditions between participants' motor actions and system-provided stimuli.
- Assessed spatial information acquisition and performance under different delay parameters.
Main Results:
- A trade-off was observed between acquiring spatial information and performance degradation due to delays.
- Participants demonstrated a learning curve, adapting to system delays even with impaired sensorimotor coupling.
- Temporal constraints significantly influence the effectiveness of assistive navigation technologies.
Conclusions:
- Temporal constraints are a key design consideration for effective navigation systems for the visually impaired.
- System design must balance information delivery with acceptable delay thresholds for optimal user experience.
- Further research into adaptive interfaces can mitigate the impact of sensorimotor coupling limitations.
Keywords:
QoSnavigationorientation and mobilitysensory substitutionspatial cognitionspatial perceptionvirtual realitywearableMore Related Videos
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