CIECAM02 - Revision history

Jdc: /* About CIECAM02 */

2024-02-12T12:18:32Z

About CIECAM02

← Older revision		Revision as of 12:18, 12 February 2024
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	====the Hunt's effect====		====the Hunt's effect====
	Increased seen coloration (colorfulness) with luminance. An object appears more vivid and contrasty in full light than in shade.		Increased seen coloration (colorfulness) with luminance. An object appears more vivid and contrasty in full light than in shade.
			(Creative Common Attribution-share Alike 4.0)
	[[File:Huntseffect1.jpg\|600px\|thumb\|center\|Hunts effect - Same hue and saturation -the brighter bands appear more colorful than the darker ones]]		[[File:Huntseffect1.jpg\|600px\|thumb\|center\|Hunts effect - Same hue and saturation -the brighter bands appear more colorful than the darker ones]]
	[[File:Huntseffect-2.jpg\|600px\|thumb\|center\|Hunts effect - In Candela / m2]]		[[File:Huntseffect-2.jpg\|600px\|thumb\|center\|Hunts effect - In Candela / m2]]
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	====Stevens's effect====		====Stevens's effect====
	Augmentation of the perceived contrast with the luminance. When the luminance increases, the dark colors looks like even darker and the luminous colors appears even more luminous.		Augmentation of the perceived contrast with the luminance. When the luminance increases, the dark colors looks like even darker and the luminous colors appears even more luminous.
			(Creative Common Attribution-share Alike 4.0)
	[[File:Simult-contr2.jpg\|600px\|thumb\|center\|Stevens effect - Example]]		[[File:Simult-contr2.jpg\|600px\|thumb\|center\|Stevens effect - Example]]

	====Helmholtz-Kohlrausch's effect====		====Helmholtz-Kohlrausch's effect====
	Dependence of the brightness in relation to the luminance and chromaticity. Colored objects appear lighter than the achromatic objects with the same luminance. The most saturated colors appear brighter.		Dependence of the brightness in relation to the luminance and chromaticity. Colored objects appear lighter than the achromatic objects with the same luminance. The most saturated colors appear brighter.
			(Creative Common Attribution-share Alike 4.0)
	[[File:Helmholtz-effect.jpg\|600px\|thumb\|center\|Helmholtz effect - Example]]		[[File:Helmholtz-effect.jpg\|600px\|thumb\|center\|Helmholtz effect - Example]]
	====Chromatic adaptation====		====Chromatic adaptation====

Jdc: /* simultaneous contrast */

2024-02-12T12:17:42Z

simultaneous contrast

← Older revision		Revision as of 12:17, 12 February 2024
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	====simultaneous contrast====		====simultaneous contrast====
	Variation of the colored appearance of an object depending on the colorimetric characteristics of its close environment. For example, the same color will be perceived differently on a white or dark background. The darker the background will be, the more we'll have to boost colors...		Variation of the colored appearance of an object depending on the colorimetric characteristics of its close environment. For example, the same color will be perceived differently on a white or dark background. The darker the background will be, the more we'll have to boost colors...

			(Creative Common Attribution-share Alike 4.0)
	[[File:Simult-contr1.jpg\|600px\|thumb\|center\|Simultaneous contrast - All reds are the same red, and all the greens are the same green]]		[[File:Simult-contr1.jpg\|600px\|thumb\|center\|Simultaneous contrast - All reds are the same red, and all the greens are the same green]]
	[[File:Simult-contr3.jpg\|600px\|thumb\|center\|Simultaneous contrast - Example 2]]		[[File:Simult-contr3.jpg\|600px\|thumb\|center\|Simultaneous contrast - Example 2]]

Jdc: /* simultaneous contrast */

2024-02-12T12:14:34Z

simultaneous contrast

← Older revision		Revision as of 12:14, 12 February 2024
Line 331:		Line 331:
	====simultaneous contrast====		====simultaneous contrast====
	Variation of the colored appearance of an object depending on the colorimetric characteristics of its close environment. For example, the same color will be perceived differently on a white or dark background. The darker the background will be, the more we'll have to boost colors...		Variation of the colored appearance of an object depending on the colorimetric characteristics of its close environment. For example, the same color will be perceived differently on a white or dark background. The darker the background will be, the more we'll have to boost colors...
	[[File:Simult-contr1.jpg\|600px\|thumb\|center\|Simultaneous contrast - ~~Example 1~~]]		[[File:Simult-contr1.jpg\|600px\|thumb\|center\|Simultaneous contrast - All reds are the same red, and all the greens are the same green]]
	[[File:Simult-contr3.jpg\|600px\|thumb\|center\|Simultaneous contrast - Example 2]]		[[File:Simult-contr3.jpg\|600px\|thumb\|center\|Simultaneous contrast - Example 2]]

Jdc: /* the Hunt's effect */

2024-02-12T08:01:26Z

the Hunt's effect

← Older revision		Revision as of 08:01, 12 February 2024
Line 336:		Line 336:
	====the Hunt's effect====		====the Hunt's effect====
	Increased seen coloration (colorfulness) with luminance. An object appears more vivid and contrasty in full light than in shade.		Increased seen coloration (colorfulness) with luminance. An object appears more vivid and contrasty in full light than in shade.
	[[File:Huntseffect1.jpg\|600px\|thumb\|center\|Hunts effect - ~~Example~~ - ]]		[[File:Huntseffect1.jpg\|600px\|thumb\|center\|Hunts effect - Same hue and saturation -the brighter bands appear more colorful than the darker ones]]
	[[File:Huntseffect-2.jpg\|600px\|thumb\|center\|Hunts effect - ~~Example 2 - in~~ Candela / m2]]		[[File:Huntseffect-2.jpg\|600px\|thumb\|center\|Hunts effect - In Candela / m2]]

	====Stevens's effect====		====Stevens's effect====

Jdc: /* the Hunt's effect */

2024-02-12T07:54:57Z

the Hunt's effect

← Older revision		Revision as of 07:54, 12 February 2024
Line 336:		Line 336:
	====the Hunt's effect====		====the Hunt's effect====
	Increased seen coloration (colorfulness) with luminance. An object appears more vivid and contrasty in full light than in shade.		Increased seen coloration (colorfulness) with luminance. An object appears more vivid and contrasty in full light than in shade.
	[[File:Huntseffect1.jpg\|600px\|thumb\|center\|Hunts effect - Example]]		[[File:Huntseffect1.jpg\|600px\|thumb\|center\|Hunts effect - Example - ]]
	[[File:Huntseffect-2.jpg\|600px\|thumb\|center\|Hunts effect - Example 2]]		[[File:Huntseffect-2.jpg\|600px\|thumb\|center\|Hunts effect - Example 2 - in Candela / m2]]

	====Stevens's effect====		====Stevens's effect====

Jdc: /* the Hunt's effect */

2024-02-12T07:53:21Z

the Hunt's effect

← Older revision		Revision as of 07:53, 12 February 2024
Line 337:		Line 337:
	Increased seen coloration (colorfulness) with luminance. An object appears more vivid and contrasty in full light than in shade.		Increased seen coloration (colorfulness) with luminance. An object appears more vivid and contrasty in full light than in shade.
	[[File:Huntseffect1.jpg\|600px\|thumb\|center\|Hunts effect - Example]]		[[File:Huntseffect1.jpg\|600px\|thumb\|center\|Hunts effect - Example]]
	[[File:~~Huntseffect2~~.jpg\|600px\|thumb\|center\|Hunts effect - Example 2]]		[[File:Huntseffect-2.jpg\|600px\|thumb\|center\|Hunts effect - Example 2]]

	====Stevens's effect====		====Stevens's effect====

Jdc: /* the Hunt's effect */

2024-02-12T07:41:49Z

the Hunt's effect

← Older revision		Revision as of 07:41, 12 February 2024
Line 337:		Line 337:
	Increased seen coloration (colorfulness) with luminance. An object appears more vivid and contrasty in full light than in shade.		Increased seen coloration (colorfulness) with luminance. An object appears more vivid and contrasty in full light than in shade.
	[[File:Huntseffect1.jpg\|600px\|thumb\|center\|Hunts effect - Example]]		[[File:Huntseffect1.jpg\|600px\|thumb\|center\|Hunts effect - Example]]
			[[File:Huntseffect2.jpg\|600px\|thumb\|center\|Hunts effect - Example 2]]

	====Stevens's effect====		====Stevens's effect====

Jdc: /* About CIECAM02 */

2024-02-11T09:31:31Z

About CIECAM02

← Older revision		Revision as of 09:31, 11 February 2024
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	====Helmholtz-Kohlrausch's effect====		====Helmholtz-Kohlrausch's effect====
	Dependence of the brightness in relation to the luminance and chromaticity. Colored objects appear lighter than the achromatic objects with the same luminance. The most saturated colors appear brighter.		Dependence of the brightness in relation to the luminance and chromaticity. Colored objects appear lighter than the achromatic objects with the same luminance. The most saturated colors appear brighter.
			[[File:Helmholtz-effect.jpg\|600px\|thumb\|center\|Helmholtz effect - Example]]
	====Chromatic adaptation====		====Chromatic adaptation====
	Adjustment by the human vision system of some color stimuli. The chromatic adaptation let us interpret a color depending on its spatiotemporal environment. It's an essential effect to be taken care of by a CAM.		Adjustment by the human vision system of some color stimuli. The chromatic adaptation let us interpret a color depending on its spatiotemporal environment. It's an essential effect to be taken care of by a CAM.

Jdc: /* Stevens's effect= */

2024-02-11T09:28:26Z

Stevens's effect=

← Older revision		Revision as of 09:28, 11 February 2024
Line 338:		Line 338:
	[[File:Huntseffect1.jpg\|600px\|thumb\|center\|Hunts effect - Example]]		[[File:Huntseffect1.jpg\|600px\|thumb\|center\|Hunts effect - Example]]

	====Stevens's effect=====		====Stevens's effect====
	Augmentation of the perceived contrast with the luminance. When the luminance increases, the dark colors looks like even darker and the luminous colors appears even more luminous.		Augmentation of the perceived contrast with the luminance. When the luminance increases, the dark colors looks like even darker and the luminous colors appears even more luminous.
	[[File:Simult-~~contr3~~.jpg\|600px\|thumb\|center\|Stevens effect - Example]]		[[File:Simult-contr2.jpg\|600px\|thumb\|center\|Stevens effect - Example]]

	====Helmholtz-Kohlrausch's effect====		====Helmholtz-Kohlrausch's effect====
	Dependence of the brightness in relation to the luminance and chromaticity. Colored objects appear lighter than the achromatic objects with the same luminance. The most saturated colors appear brighter.		Dependence of the brightness in relation to the luminance and chromaticity. Colored objects appear lighter than the achromatic objects with the same luminance. The most saturated colors appear brighter.

Jdc: /* Introduction - history */

2024-02-11T09:27:58Z

Introduction - history

← Older revision		Revision as of 09:27, 11 February 2024
Line 338:		Line 338:
	[[File:Huntseffect1.jpg\|600px\|thumb\|center\|Hunts effect - Example]]		[[File:Huntseffect1.jpg\|600px\|thumb\|center\|Hunts effect - Example]]

			====Stevens's effect=====
			Augmentation of the perceived contrast with the luminance. When the luminance increases, the dark colors looks like even darker and the luminous colors appears even more luminous.
			[[File:Simult-contr3.jpg\|600px\|thumb\|center\|Stevens effect - Example]]
	====Helmholtz-Kohlrausch's effect====		====Helmholtz-Kohlrausch's effect====
	Dependence of the brightness in relation to the luminance and chromaticity. Colored objects appear lighter than the achromatic objects with the same luminance. The most saturated colors appear brighter.		Dependence of the brightness in relation to the luminance and chromaticity. Colored objects appear lighter than the achromatic objects with the same luminance. The most saturated colors appear brighter.