Color constancy
Color Constancy
Color constancy is the perceptual phenomenon which ensures that the perceived color of an object remains relatively constant under varying illumination conditions.
Pronunciation
Color Constancy: /ˈkʌlər kənˈstænsi/
Etymology
The term "color constancy" is derived from the English words "color", which has its roots in the Old French couleur, and "constancy", which originates from the Latin constantia meaning steadfastness.
Definition
Color constancy is a feature of the human color vision system which ensures that the perceived color of an object remains the same under varying illumination conditions. This phenomenon allows us to recognize objects regardless of the color of the light source.
Related Terms
- Color vision: The ability of an organism or machine to distinguish objects based on the wavelengths (or frequencies) of the light they reflect, emit, or transmit.
- Illumination (image): The process of lighting an object in a scene, often used in the context of photography, cinematography, and computer graphics.
- Light source: The origin of light, either natural (like the sun) or artificial (like a lamp), that illuminates objects so they can be seen.
- Perception: The organization, identification, and interpretation of sensory information in order to represent and understand the presented information or environment.
See Also
External links
- Medical encyclopedia article on Color constancy
- Wikipedia's article - Color constancy
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