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

Limitations on shape information provided by texture cues.

Qasim Zaidi1, Andrea Li

  • 1SUNY College of Optometry, 33 West 42nd Street, New York, NY 10036, USA. qz@sunyopt.edu

Vision Research
|April 3, 2002
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

Engineering nanoparticle surface chemistry for antigen-presenting cell targeting improves specificity and safety of TLR3 agonist cancer immunotherapy.

bioRxiv : the preprint server for biology·2026
Same author

Polyelectrolyte nanoparticles enable intracellular delivery of STING protein fragments for ovarian cancer immunotherapy.

Materials today. Bio·2026
Same author

Family Engagement in Systems Level Research for Children and Youth with Special Health Care Needs a Scoping Review.

Academic pediatrics·2026
Same author

Visual Distortions in Human Amblyopia Are Correlated with Deficits in Contrast Sensitivity.

The Journal of neuroscience : the official journal of the Society for Neuroscience·2025
Same author

Phantom Forms in Amblyopic Vision and what they reveal about the Generative Brain.

bioRxiv : the preprint server for biology·2025
Same author

High-throughput quantitation of human neutrophil recruitment and functional responses in an air-blood barrier array.

APL bioengineering·2025

This study reveals that specific texture component orientations are crucial for perceiving surface shape (concave/convex). Symmetric component pairs provide essential geodesic modulations for accurate shape perception, regardless of surface pitch.

Area of Science:

  • Visual Perception
  • Computational Vision
  • Psychophysics

Background:

  • Understanding how visual cues contribute to shape perception is fundamental in vision science.
  • Previous research identified oriented texture components as important for shape perception.
  • The specific role of texture component orientation in perceiving curved surfaces requires further elucidation.

Purpose of the Study:

  • To investigate the role of oriented texture components in the veridical perception of concave and convex surfaces.
  • To determine how surface pitch and perspective influence the perception of surface shape from texture.
  • To refine the understanding of texture classes that support accurate shape perception.

Main Methods:

  • Employed visual, empirical, and formal analytical methods.

Related Experiment Videos

  • Examined the interplay of texture components oriented symmetrically around the axis of maximum curvature.
  • Analyzed the impact of surface pitch and perspective on shape perception.

    • Main Results:

    • Pairs of texture components, symmetrically oriented around the maximum curvature axis, provide critical geodesic orientation modulations.
    • The degree of surface pitch dictates the orientation of these critical texture component pairs.
    • Perspective is essential for veridical perception of concavities and convexities across all pitch degrees.

    Conclusions:

    • Veridical shape perception relies on extracting specific patterns of oriented energy from textures.
    • The findings confirm and extend previous work, indicating a more restricted class of textures supports shape perception than previously thought.
    • Accurate perception of developable shapes in general views depends on a precise configuration of texture components.