lightness


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lightness

Attribute of visual sensation in accordance with which a body seems to transmit or reflect diffusely a greater or smaller fraction of the incident light. This attribute is the psychosensorial correlate, or nearly so, of the photometric quantity luminance (CIE). See luminance.
References in periodicals archive ?
Which is why I am grateful to have discovered Italo Calvino's essay "Lightness" from his Six Memos for the Next Millennium, which not only helps to define the concept of lightness, but also identifies certain craft techniques that can be employed to achieve it.
Developed, not only to push the boundaries of lightness but to also challenge gravity, the Litesphere collection complements the hectic and highly-demanding lifestyle of the business globetrotter in style.
If the visual system relied only on ratios to determine surface lightness, then the ratio of checkerboard intensities the participants reported should have had the same ratio as that of the black and white samples on the reflectance scale, about 100-to-1.
This essay examines how structural lightness is created in At Swim-Two-Birds through the subtraction of weight from its characters and narrative structure.
Other companies prefer 25[degrees] 45[degrees], and 75[degrees] One method for QC is to measure lightness differences (dL) from a standard at the three angles with a spectrophotometer.
Scherzo" requires lightness in fingerwork and pedaling.
more; part of the reason for its lightness are thixoformed magnesium frame and hardware components.
Yes, it appears that Dan is a lot less concerned with the unbearable lightness of being, and a lot more concerned with the unbearable lightness of weaponry.
I think lightness has to come from a very deep place if it's true lightness.
Swift initial drying even at elevated temperatures increases the lightness and decreases the saturation.
Publishers HarperCollins in the US and Faber in the UK are to issue special 20th anniversary editions of Milan Kundera's classic novel 'The Unbearable Lightness of Being'.
The scientists recorded color lightness, redness, yellowness, chroma and hue angle.