Cited by 2,094Traffic and Road SafetyVisual perception and processing mechanismsHuman-Automation Interaction and Safety

A Theory of Visual Control of Braking Based on Information about Time-to-Collision

Lee, David N·1976·Perception

Abstract

A theory is presented of how a driver might visually control his braking. A mathematical analysis of the changing optic array at the driver's eye indicates that the simplest type of visual information, which would be sufficient for controlling braking and would also be likely to be easily picked up by the driver, is information about time-to-collision, rather than information about distance, speed, or acceleration/deceleration. It is shown how the driver could, in principle, use visual information about time-to-collision in registering when he is on a collision course, in judging when to start braking, and in controlling his ongoing braking. Implications of the theory for safe speeds and safe following distances are discussed, taking into account visual angular velocity detection thresholds, and some suggestions are made as to how safety on the roads might be improved.

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Crossref · 10.1068/p050437

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  • The ambient optical flow field contains an optical variable relating the optical expansion of the water's surface one-to-one to the time remaining before contact.

    “this optical flow field contains, among other things, an optical variable that relates the optical expansion of the water's surface one-to-one to the time remaining before the gannet contacts the surface.”

    From Productive pluralism: The coming of age of ecological psychology. (2024) · cites this paper as Lee, 1976

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Authors
Lee, D. N.
Affiliations
University of Edinburgh (GB)
Corresponding author
Lee, David N
Venue
Perception
Published
1976-12
Volume
5
Issue
4
Pages
437-459
ISSN
  • 0301-0066 (ISSN-L)
  • 1468-4233
OpenAlex
W2016151598
Cited by
2,094
References
1
Citations by year
2026: 48 · 2025: 49 · 2024: 49 · 2023: 78 · 2022: 66 · 2021: 90 · 2020: 68 · 2019: 69 · 2018: 69 · 2017: 68 · 2016: 44 · 2015: 70 · 2014: 64 · 2013: 62 · 2012: 64
FWCI
136.13
Type
journal article
Language
en
Open access
closed
Locations
  • Perception (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Physical Sciences › Engineering › Safety, Risk, Reliability and Quality › Traffic and Road Safety
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Visual perception and processing mechanisms
  • Social Sciences › Psychology › Social Psychology › Human-Automation Interaction and Safety
Keywords
time-to-collision, optic array, collision avoidance, safe following distance, safe speed, road safety, visual processing
MeSH terms
Automobile Driving, Humans, Mathematics, Safety, Time Factors, Visual Perception

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