Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Detection of smooth three-dimensional surfaces from optic flow

G J Andersen1

  • 1Department of Psychology-075, University of California, Riverside 92521-0426, USA. andersen@ucrac1.ucr.edu

Journal of Experimental Psychology. Human Perception and Performance
|August 1, 1996
PubMed
Summary

Detecting 3-D surfaces from optic flow depends on visual cues. Higher corrugation frequency hinders detection, while increased density and amplitude improve it, suggesting shear deformation is key.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Impaired perception of self-motion (heading) in abstinent ecstasy and marijuana users.

Psychopharmacology·2005
Same author

Perceptual information and attentional constraints in visual search of collision events.

Journal of experimental psychology. Human perception and performance·2001
Same author

Perceived depth of 3-D objects in 3-D scenes.

Perception·2001
Same author

Age-related differences in collision detection during deceleration.

Psychology and aging·2000
Same author

The perception of depth and slant from texture in three-dimensional scenes.

Perception·1999
Same author

The discrimination of heading from optic flow is not retinally invariant.

Perception & psychophysics·1999

Area of Science:

  • Visual perception
  • Computational neuroscience
  • 3-D shape analysis

Background:

  • 3-D shape perception relies on sufficient visual information for surface detection.
  • Optic flow, the apparent motion of objects, provides crucial cues for perceiving 3-D structure.

Purpose of the Study:

  • To identify key variables influencing the detection of 3-D surfaces from optic flow.
  • To understand how surface properties affect the perception of 3-D shape.

Main Methods:

  • Three experiments using optic-flow displays simulating corrugated 3-D surfaces and random 3-D volumes.
  • Participants judged whether the displays represented a 3-D surface.

Main Results:

  • Increased corrugation frequency in simple surfaces decreased detection performance.

Related Experiment Videos

  • Enhanced density and amplitude of corrugation improved detection for both simple and complex surfaces.
  • Analysis indicated 3-D surface detection may correlate with the summed absolute value of shear deformation components.

    • Conclusions:

    • Optic flow properties like frequency, density, and amplitude significantly impact 3-D surface detection.
    • Shear deformation appears to be a critical factor in perceiving 3-D surfaces from visual motion cues.