- reflectance value
- قيمة انعكاسية
English-Arabic automotive engineering dictionary. 2015.
reflectance value
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Light Reflectance Value — Light Reflectance Value, or LRV, is a measurement commonly used in interior decorating and design, which expresses the percentage of light that is reflected from a surface.LRV is frequently included on the backs of paint chips or samples and is… … Wikipedia
Oren–Nayar reflectance model — The Oren Nayar reflectance model, developed by Michael Oren and Shree K. Nayar, is a reflectance model for diffuse reflection from rough surfaces. It has been shown to accurately predict the appearance of a wide range of natural surfaces, such as … Wikipedia
Oren–Nayar Reflectance Model — The Oren Nayar model, developed by Michael Oren and Shree K. Nayar, is a reflectance model for diffuse reflection from rough surfaces. It has been shown to accurately predict the appearance of a wide range of natural surfaces, such as concrete,… … Wikipedia
Gray card — Gray cards are used, together with reflective light meters, as a way to produce consistent images in film and photography.A gray card is a flat object of a neutral gray color that derives from a flat reflectance spectrum. A typical examples is… … Wikipedia
Spectrophotometry — Spectrophotometer In chemistry, spectrophotometry is the quantitative measurement of the reflection or transmission properties of a material as a function of wavelength.[1] It is more specific than the general term electromagnetic spectroscopy in … Wikipedia
White Portland cement — or white ordinary Portland cement (WOPC) is similar to ordinary, gray Portland cement in all respects except for its high degree of whiteness. Obtaining this color requires substantial modification to the method of manufacture, and because of… … Wikipedia
Perceptual transparency — is the phenonmenon of seeing one surface behind another. [http://www.colourware.co.uk/steve/westland ripamonti dapos JEI 2004.pdf] In our everyday life, we often experience the view of objects through transparent surfaces.Physically transparent… … Wikipedia
Tonal Reproduction Curve — is often referred to by its initials, TRC, and the R is sometimes said to stand for Response, as in Tonal Response Curve.A Tonal Reproduction Curve is applied to the luminance value of an electronic image which adjusts for dot gain of a… … Wikipedia
Lighting — Not to be confused with lightning. For other uses, see lighting (disambiguation). Low intensity lighting and haze in a concert hall allows laser effects to be visible … Wikipedia
LRV — might refer to:*Lenticular Reentry Vehicle *Light rail vehicle *Lunar rover *Light Reflectance Value … Wikipedia
Lightness (color) — Three hues in the Munsell color model. Each color differs in value from top to bottom in equal perception steps. The right column undergoes a dramatic change in perceived color. Lightness (sometimes called value or tone) is a property of a color … Wikipedia
