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

Transparent surfaces defined by implicit X junctions

T Watanabe1, P Cavanagh

  • 1Vision Science Laboratory, Arizona State University West, Phoenix 85069-7100.

Vision Research
|November 1, 1993
PubMed
Summary
This summary is machine-generated.

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

First- and second-order transformational apparent motion rely on common shape representations.

Vision research·2021
Same author

Visual search for feature and conjunction targets with an attention deficit.

Journal of cognitive neuroscience·2013
Same author

Holographic and trace strength models of rehearsal effects in the item recognition task.

Memory & cognition·2011
Same author

Attentional resolution.

Trends in cognitive sciences·2011
Same author

Optokinetic technique for measuring infants' responses to color.

Applied optics·2010
Same author

The position of moving objects.

Science (New York, N.Y.)·2007
Same journal

Computational and mathematical models in vision: Quantitative approaches to understanding visual perception.

Vision research·2026
Same journal

Complex interactions between lightness, chroma, and hue in color ensemble perception.

Vision research·2026
Same journal

Driving with autism spectrum disorder: Exploring the impact of tactile hazard warnings on gaze behavior and hazard responses.

Vision research·2026
Same journal

Early visual processing in adults with ADHD: evidence from contrast sensitivity, spatial integration, and external noise.

Vision research·2026
Same journal

Pupil reflexes generate the peripheral drift illusion due to ON/OFF motion responses.

Vision research·2026
Same journal

Perceived direction of glass patterns can flip by 90°: A neural model.

Vision research·2026
See all related articles

Special T junctions, appearing as implicit X junctions, can signal transparency. This challenges the traditional view that T junctions always indicate opaque surfaces, suggesting similar visual processing for both X and implicit X junctions.

Area of Science:

  • Visual perception
  • Computational neuroscience
  • Image processing

Background:

  • X junctions are established cues for transparency.
  • T junctions typically signify opaque surface occlusion.
  • The visual system's interpretation of geometric cues is complex.

Purpose of the Study:

  • To demonstrate that specific T junctions can indicate transparency.
  • To investigate the role of illusory contours in T junction perception.
  • To challenge the exclusive interpretation of T junctions as occlusion cues.

Main Methods:

  • Analysis of visual stimuli featuring special T junctions.
  • Psychophysical experiments to assess transparency perception.
  • Computational modeling of junction processing in visual cortex.

Related Experiment Videos

Main Results:

  • Identified two cases where T junctions support transparency perception.
  • Demonstrated that these T junctions are perceived as implicit X junctions due to illusory contours.
  • Showed a physically realizable condition for transparency-induced T junctions.

Conclusions:

  • T junctions are not exclusively cues for opaque surfaces.
  • Implicit X junctions formed by illusory contours can elicit transparency.
  • Visual processing mechanisms for X junctions and implicit X junctions may be similar for transparency perception.