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 Concept Videos

Color Vision01:24

Color Vision

Color perception begins in the retina, the light-sensitive layer at the back of the eye. Two main theories explain how colors are seen: the trichromatic theory and the opponent-process theory. The trichromatic theory, proposed by Thomas Young in 1802 and extended by Hermann von Helmholtz in 1852, suggests that color vision is based on three types of cone receptors in the retina. These cones are sensitive to different but overlapping ranges of wavelengths corresponding to red, blue, and green.
Testing a Claim about Population Proportion01:24

Testing a Claim about Population Proportion

A complete procedure for testing a claim about a population proportion is provided here.
There are two methods of testing a claim about a population proportion: (1) Using the sample proportion from the data where a binomial distribution is approximated to the normal distribution and (2) Using the binomial probabilities calculated from the data.
The first method uses normal distribution as an approximation to the binomial distribution. The requirements are as follows: sample size is large...
Statistical Analysis: Overview01:11

Statistical Analysis: Overview

When we take repeated measurements on the same or replicated samples, we will observe inconsistencies in the magnitude. These inconsistencies are called errors. To categorize and characterize these results and their errors, the researcher can use statistical analysis to determine the quality of the measurements and/or suitability of the methods.
One of the most commonly used statistical quantifiers is the mean, which is the ratio between the sum of the numerical values of all results and the...
Probability Histograms01:17

Probability Histograms

A probability histogram is a visual representation of a probability distribution. Similar a typical histogram, the probability histogram consists of contiguous (adjoining) boxes. It has both a horizontal axis and a vertical axis. The horizontal axis is labeled with what the data represents. The vertical axis is labeled with probability. Each rectangular bar in the histogram is 1 unit wide, which suggests that the area under each bar equals the probability, P(x), where x is 1, 2, 3, and so on.
Photoreceptors and Visual Pathways01:22

Photoreceptors and Visual Pathways

At the molecular level, visual signals trigger transformations in photopigment molecules, resulting in changes in the photoreceptor cell's membrane potential. The photon's energy level is denoted by its wavelength, with each specific wavelength of visible light associated with a distinct color. The spectral range of visible light, classified as electromagnetic radiation, spans from 380 to 720 nm. Electromagnetic radiation wavelengths exceeding 720 nm fall under the infrared category, whereas...
Stratified Sampling Method01:16

Stratified Sampling Method

Sampling is a technique to select a portion (or subset) of the larger population and study that portion (the sample) to gain information about the population. The sampling method ensures that samples are drawn without bias and accurately represent the population. Because measuring the entire population in a study is not practical, researchers use samples to represent the population of interest.
To choose a stratified sample, divide the population into groups called strata and then take a...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Guest Editorial: The Beauty and the Beast.

Perception·2025
Same author

Bicyclopic Idomenian vision.

Perception·2025
Same author

The well-tempered color circle: A chromatic Gestalt.

i-Perception·2024
Same author

"Warm," "cool," and the colors.

Journal of vision·2024
Same author

What is "perception research" anyway?

Perception·2023
Same author

Eye contact avoidance in crowds: A large wearable eye-tracking study.

Attention, perception & psychophysics·2022

Related Experiment Video

Updated: Jun 16, 2026

Visualizing Visual Adaptation
04:43

Visualizing Visual Adaptation

Published on: April 24, 2017

The prior statistics of object colors.

Jan J Koenderink1

  • 1Delft University of Technology, Faculty of Electrical Engineering, Mathematics, and Computer Science, Mekelweg 4, 2628 CD Delft, The Netherlands. j.j.koenderink@tudelft.nl

Journal of the Optical Society of America. A, Optics, Image Science, and Vision
|February 4, 2010
PubMed
Summary

Object color statistics reveal a non-uniform structure in color space, primarily driven by the human visual system, not environmental factors. This non-uniformity is fundamentally linked to trichromacy.

More Related Videos

Using Rapid Serial Visual Presentation to Measure Set-Specific Capture, a Consequence of Distraction While Multitasking
05:58

Using Rapid Serial Visual Presentation to Measure Set-Specific Capture, a Consequence of Distraction While Multitasking

Published on: August 29, 2018

Evaluating the Effects of Different Polishing Methods on Color Stability of Dental Restorations in Pediatric Dentistry
03:37

Evaluating the Effects of Different Polishing Methods on Color Stability of Dental Restorations in Pediatric Dentistry

Published on: June 6, 2025

Related Experiment Videos

Last Updated: Jun 16, 2026

Visualizing Visual Adaptation
04:43

Visualizing Visual Adaptation

Published on: April 24, 2017

Using Rapid Serial Visual Presentation to Measure Set-Specific Capture, a Consequence of Distraction While Multitasking
05:58

Using Rapid Serial Visual Presentation to Measure Set-Specific Capture, a Consequence of Distraction While Multitasking

Published on: August 29, 2018

Evaluating the Effects of Different Polishing Methods on Color Stability of Dental Restorations in Pediatric Dentistry
03:37

Evaluating the Effects of Different Polishing Methods on Color Stability of Dental Restorations in Pediatric Dentistry

Published on: June 6, 2025

Area of Science:

  • Vision Science
  • Color Physics
  • Statistical Analysis

Background:

  • Extensive studies show non-uniform structure in object color spaces across diverse databases.
  • This structure is attributed to the human visual system's processing, not environmental reflectance statistics.
  • Understanding object color requires analyzing spectral reflectance factors and their projection onto the color solid.

Purpose of the Study:

  • To investigate the underlying reasons for the non-uniformity in object color statistics.
  • To analyze the statistical consequences of projecting spectral reflectances onto the color solid.
  • To determine the role of the visual system versus environmental factors in observed color space structure.

Main Methods:

  • Statistical analysis of reflectance spectra from various databases.
  • Investigation of the appropriate sample space for spectral reflectance factors.
  • Examination of projection effects onto the color solid, even with wavelength-invariant statistics.

Main Results:

  • Object color statistics exhibit a highly non-uniform structure, consistent across different datasets.
  • This non-uniformity persists even when reflectance statistics are translationally invariant with respect to wavelength.
  • The common structure is demonstrably linked to the visual system's properties.

Conclusions:

  • The non-uniformity of object color statistics is a fundamental property arising from the visual system.
  • Trichromacy is identified as the key factor responsible for the qualitative nature of this non-uniformity.
  • The findings underscore the significant influence of biological constraints on perceived color.