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

Junctions and cost functions in motion interpretation.

Josh McDermott1, Edward H Adelson

  • 1Department of Brain and Cognitive Science MIT, Cambridge, MA, USA. jhm@mit.edu

Journal of Vision
|August 28, 2004
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

GelSight: High-Resolution Robot Tactile Sensors for Estimating Geometry and Force.

Sensors (Basel, Switzerland)·2017
Same author

Visual wetness perception based on image color statistics.

Journal of vision·2017
Same author

Can you see what you feel? Color and folding properties affect visual-tactile material discrimination of fabrics.

Journal of vision·2016
Same author

Accuracy and speed of material categorization in real-world images.

Journal of vision·2014
Same author

Perceptual spaces: mathematical structures to neural mechanisms.

The Journal of neuroscience : the official journal of the Society for Neuroscience·2013
Same author

Recognizing Materials using Perceptually Inspired Features.

International journal of computer vision·2013
Same journal

Analysis of human visual experience data.

Journal of vision·2026
Same journal

Pyramid-based Bayesian modeling for high-resolution behavioral analysis.

Journal of vision·2026
Same journal

Sensation without perception: The white whale effect and perceptual blindness in autonomous vehicles.

Journal of vision·2026
Same journal

Gaze behavior during closed-captioned movie viewing adapts to absent audio through more frequent switching between text and scene.

Journal of vision·2026
Same journal

In pursuit of saccade awareness: Limited volitional control and minimal conscious access to catch-up saccades during smooth pursuit eye movements.

Journal of vision·2026
Same journal

Dissociable effects of element-lifetime and stimulus-duration on local and global motion processing: An equivalent noise study.

Journal of vision·2026
See all related articles

Perceptual organization relies on how visual elements interact. This study finds that minimizing illusory contours, rather than specific junction types, is key to understanding motion perception.

Area of Science:

  • Visual Perception
  • Cognitive Neuroscience
  • Computational Vision

Background:

  • Form, motion, occlusion, and perceptual organization are interconnected visual processes.
  • Junctions play a role in how visual elements are perceived and interpreted.
  • Prior research indicates occlusion influences motion interpretation.

Purpose of the Study:

  • To assess the specific role of junctions in the interaction between form, motion, and occlusion.
  • To investigate how changing junction types (T-junctions to L-junctions) affects perceived motion.
  • To determine if junctions or other factors are critical for motion interpretation.

Main Methods:

  • Utilized stimuli featuring a cross moving within an occluding aperture.
  • Manipulated junction types at occlusion points from T-junctions to L-junctions.

Related Experiment Videos

  • Conducted further experiments to isolate the impact of illusory contours versus junctions.

    • Main Results:

    • Changing junction types had a variable effect on perceived motion, suggesting junctions are not the sole critical variable.
    • The introduction of illusory contours during junction category changes significantly impacted motion perception.
    • Results align with an optimization-based computation minimizing illusory contours.

    Conclusions:

    • The perception of motion is not solely determined by junction types but by the minimization of illusory contours.
    • An optimization-based computational approach, focusing on layered surface interpretations and minimizing illusory contours, provides a parsimonious explanation.
    • Explicit reference to junctions may not be necessary for explaining these perceptual phenomena.