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6 terms
Photonics Dictionary
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gray scales x
gray scales
Transparencies that represent progressive steps in the amount of transmitted radiation for administering predetermined amounts of radiation to a radiation-sensitive substance. The steps are...
brightness resolution
The degree to which a pixel in a digital image represents the analog brightness of the corresponding point in the original image. It is dependent largely on the number of bits devoted to representing...
enhanced graphic adaptor
An image processing device that displays pseudocolor images by assigning colors to the gray scales according to look-up tables defined by the user.
gray scale
In image processing, the range of available gray levels. In an 8-bit system, the gray scale contains values from 0 to 255.
image contrast
Also referred to as image visibility, the contrast of an image is the variation in the intensity of an image formed by an optical system, where the image pixels are defined on a gray scale scheme of...
luma
The luminance portion of a composite video signal, i.e., the portion of the signal that corresponds to the brightness of the image apart from any color value, giving a monochrome, or gray scale,...
Photonics Dictionary
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