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

[Human efficiency for symmetry detection on 3D bumpy surfaces].

Masami Ikeda1, Akira Ishiguchi

  • 1Graduate School of Humanities and Sciences, Ochanomizu University, Otsuka, Bunkyo-ku, Tokyo 112-8610.

Shinrigaku Kenkyu : the Japanese Journal of Psychology
|March 8, 2005
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

Survey on the Current Status of Perinatal Management among Women with Familial Hypercholesterolemia in Japan.

Journal of atherosclerosis and thrombosis·2025
Same author

Physicians' Perspective Toward Hypertensive Disorders of Pregnancy and Future Cardiovascular Diseases in Japan.

Journal of atherosclerosis and thrombosis·2024
Same author

Significant increase in the prevalence of Panton-Valentine leukocidin-positive methicillin-resistant <i>Staphylococcus aureus</i>, particularly the USA300 variant ΨUSA300, in the Japanese community.

Microbiology spectrum·2023
Same author

Quality of life comparison between esophagogastrostomy and double tract reconstruction for proximal gastrectomy assessed by Postgastrectomy Syndrome Assessment Scale (PGSAS)-45.

Annals of gastroenterological surgery·2023
Same author

Variance aftereffect within and between sensory modalities for visual and auditory domains.

Attention, perception & psychophysics·2023
Same author

A novel corpus of molecular to higher-order events that facilitates the understanding of the pathogenic mechanisms of idiopathic pulmonary fibrosis.

Scientific reports·2023
Same journal

[Relationships between motivational regulation strategies, motivational factors, and learning behaviors outside the classroom].

Shinrigaku kenkyu : The Japanese journal of psychology·2018
Same journal

[Information on student counseling center websites in Japan, the United States, the United Kingdom, and Taiwan].

Shinrigaku kenkyu : The Japanese journal of psychology·2018
Same journal

[Effects of help-seeker's predictions about helper's emotions and costs of help-seeking intentions].

Shinrigaku kenkyu : The Japanese journal of psychology·2018
Same journal

[Development of a Japanese version of the Interpersonal Reactivity Index].

Shinrigaku kenkyu : The Japanese journal of psychology·2018
Same journal

[Effects of perceived benefits about when and how to use a learning strategy].

Shinrigaku kenkyu : The Japanese journal of psychology·2018
Same journal

[Do the explanations regarding the safety of Fukushima-produced foods ease consumer's concerns about disease?]

Shinrigaku kenkyu : The Japanese journal of psychology·2018
See all related articles

Human visual system uses 3D surface structure for symmetry detection. This study compares human performance to ideal observer models for pattern discrimination on 3D bumpy surfaces.

Area of Science:

  • Visual perception
  • Computational neuroscience
  • Human-computer interaction

Background:

  • The human visual system's ability to perceive symmetry is crucial for object recognition.
  • Understanding how visual information is sampled and processed is key to explaining human performance limits.

Purpose of the Study:

  • To investigate the sampling properties of image information utilized by the human visual system for symmetrical pattern discrimination on 3D bumpy surfaces.
  • To compare human performance against ideal observer models to quantify visual efficiency.

Main Methods:

  • Ideal observer analysis was employed with three models: 2D-IO (retinal image), 2.5D-IO (canonical view), and 3D-IO (recovered 2D pattern).
  • Discrimination thresholds were measured for human subjects and each ideal observer model.

Related Experiment Videos

  • Human statistical efficiency was calculated relative to each ideal observer.

    • Main Results:

    • Human performance in detecting diagonal symmetry on a 3D bumpy surface closely matched the 3D-IO model.
    • This suggests that human observers effectively utilize the surface's structural information.

    Conclusions:

    • Human visual perception of symmetry on 3D surfaces relies on processing the underlying 3D structure, not just 2D projections.
    • The findings imply that the brain reconstructs or infers 3D surface properties to achieve accurate symmetry detection.