D
densitometer
A device that measures the density of exposed film (in transmissive mode) or printed inks (in reflective mode). Densitometers are used to calibrate output devices.
density
The degree of darkness (opacity) of a photographic image. Higher density values represent greater opacity.
device-independent color space
A color model not related to any device, but is instead based on human visual perception as defined by the CIE experiments begun in 1931. Device-independent color spaces contain all colors that may be perceived by a human observer. They are used as the intermediary space known as the profile connection space (PCS) in ICC color conversions, and may also be used to store or transmit color values.
dithering
The technique by which the gap between two pixels is filled with another pixel. The color of the added pixel is an average of two on either side of it to visually smooth the result. Dithering is generally used when not enough colors are available.
dot gain
Measured by the increase in size of a midtone dot, the spreading of dots during platemaking or on a printing press as wet ink is pushed into the paper and possibly absorbed by it.
A device that measures the density of exposed film (in transmissive mode) or printed inks (in reflective mode). Densitometers are used to calibrate output devices.
density
The degree of darkness (opacity) of a photographic image. Higher density values represent greater opacity.
device-independent color space
A color model not related to any device, but is instead based on human visual perception as defined by the CIE experiments begun in 1931. Device-independent color spaces contain all colors that may be perceived by a human observer. They are used as the intermediary space known as the profile connection space (PCS) in ICC color conversions, and may also be used to store or transmit color values.
dithering
The technique by which the gap between two pixels is filled with another pixel. The color of the added pixel is an average of two on either side of it to visually smooth the result. Dithering is generally used when not enough colors are available.
dot gain
Measured by the increase in size of a midtone dot, the spreading of dots during platemaking or on a printing press as wet ink is pushed into the paper and possibly absorbed by it.
DIC-F173 フランスの伝統色 LAQUE 漆器红
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