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

Three-dimensional interpretation of quadrilaterals.

N Kawabata1

  • 1Chukyo University, Department of Cognitive Science, School of Computer and Cognitive Sciences, Aichi, Japan.

Perceptual and Motor Skills
|October 1, 1992
PubMed
Summary

This study explored how people perceive 3D shapes from 2D images of quadrilaterals. Parallel lines in images are seen as parallel to the viewer or slanting in depth, influencing 3D shape perception.

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

Adolescent trauma in Japanese schools: two case studies of Ijime (bullying) and school refusal.

The Journal of the American Academy of Psychoanalysis·2001
Same author

Removal of airborne bacteria by filtration using a composite microporous membrane made of a pyridinium-type polymer showing strong affinity with microbial cells.

Epidemiology and infection·1998
Same author

Identification of amine acceptor protein substrates of transglutaminase in liver extracts: use of 5-(biotinamido) pentylamine as a probe.

Archives of biochemistry and biophysics·1998
Same author

[Use of Caco-2 cells for isolation of influenza virus].

Kansenshogaku zasshi. The Journal of the Japanese Association for Infectious Diseases·1998
Same author

[Detection of enterovirus 70 in acute hemorrhagic conjunctivitis by PCR-stringent microplate hybridization method].

Kansenshogaku zasshi. The Journal of the Japanese Association for Infectious Diseases·1998
Same author

Depth perception in simple line drawings.

Perceptual and motor skills·1997

Area of Science:

  • * Visual perception
  • * Cognitive psychology
  • * Computational vision

Background:

  • * Understanding the human visual system's ability to interpret 2D images as 3D objects is crucial.
  • * Previous research has explored depth perception and shape constancy.
  • * The role of specific geometric cues, like parallel lines in quadrilaterals, requires further investigation.

Purpose of the Study:

  • * To analyze the relationship between quadrilateral structure, perceived depth, and shape interpretation.
  • * To investigate how varying viewing conditions affect the 3D interpretation of 2D quadrilateral patterns.
  • * To determine the influence of foveal versus peripheral vision on shape perception.

Main Methods:

  • * Experiments involved presenting 2D quadrilateral patterns to 9 subjects under controlled viewing conditions.
  • * Subjects made 10 measurements per experiment to assess shape and depth interpretations.
  • * Rectangular and nonrectangular viewing conditions were defined based on the potential for the quadrilateral to be a projection of a rectangle.

Main Results:

  • * Horizontal parallel sides in an image were perceived as parallel to the viewer's forehead.
  • * Slanted parallel sides were perceived as slanting in depth.
  • * Quadrilaterals were perceived as rectangular under foveal vision even in nonrectangular conditions if they were similar to rectangular ones.
  • * Shape perception deviated from rectangularity in peripheral vision, even under rectangular viewing conditions.

Conclusions:

  • * The orientation of parallel sides in 2D images significantly influences perceived depth and 3D shape.
  • * Foveal vision demonstrates robustness in maintaining shape constancy under certain nonrectangular viewing conditions.
  • * Peripheral vision is less reliable for accurate 3D shape interpretation from 2D cues.

Related Experiment Videos