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

Examining edge- and region-based texture analysis mechanisms

S S Wolfson1, M S Landy

  • 1Psychology Department, New York University, NY 10003, USA. sabina@cns.nyu.edu

Vision Research
|April 16, 1998
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

Hierarchical coding of binary images.

IEEE transactions on pattern analysis and machine intelligence·2011
Same author

Combining sensory information: mandatory fusion within, but not between, senses.

Science (New York, N.Y.)·2002
Same author

Processing in the probed-sinewave paradigm is likely retinal.

Visual neuroscience·2002
Same author

How vertical disparities assist judgements of distance.

Vision research·2001
Same author

A note about preferred orientations at the first and second stages of complex (second-order) texture channels.

Journal of the Optical Society of America. A, Optics, image science, and vision·2001
Same author

Ideal cue combination for localizing texture-defined edges.

Journal of the Optical Society of America. A, Optics, image science, and vision·2001
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

This study reveals how the human visual system analyzes textures. Edge-based mechanisms excel at detecting orientation differences at texture boundaries, while region-based mechanisms are used for other texture variations.

Area of Science:

  • Visual Perception
  • Computational Neuroscience
  • Image Analysis

Background:

  • Understanding texture discrimination is crucial for visual processing.
  • The visual system employs distinct mechanisms for analyzing texture properties.

Purpose of the Study:

  • To investigate the roles of edge-based and region-based texture analysis mechanisms.
  • To determine how texture differences influence discrimination performance.

Main Methods:

  • Presented participants with textures composed of oriented line segments.
  • Varied texture properties (mean orientation, standard deviation) and spatial arrangement (abutting vs. separated).
  • Measured instantaneous texture discrimination performance.

Main Results:

Related Experiment Videos

  • Superior discrimination when textures abutted and differed in mean orientation.
  • Similar performance for abutting and separated textures differing in orientation standard deviation.
  • Indicated differential sensitivity of analysis mechanisms based on texture properties and spatial layout.

Conclusions:

  • Edge-based texture analysis is highly sensitive to mean orientation differences at texture edges.
  • Region-based texture analysis is employed when textures differ in orientation variability or are spatially separated.