Contrast

Contrast

A measure of brightness content in an image. High contrast implies mainly dark-black and bright-white content; low contrast implies a small spread of grey values.

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Part of Speech: noun
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Industry/Domain: Semiconductors
Category: Test equipment
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contrast

Software; Image processing

In image processing, the difference between the average brightness of two subsets of an image.

contrast

Biology; Neuroscience

The difference, usually expressed in terms of a percentage in luminance, between two territories in the visual field (can also apply to color when specified as spectral contrast).

contrast

Weather; Meteorology

In meteorological usage, contrast ''C'' is defined by [[File:ams2001glos-Ce29.gif

high-pass filter

Semiconductors; Test equipment

(1) A math operation that emphasizes details in an image. (2) A circuit that attenuates low-frequency components in an analog signal.

bipolar

Semiconductors; Test equipment

(1) A signal that includes positive and negative values. (2) A type of semiconductor.

ground

Semiconductors; Test equipment

(1) An electrically neutral wire that has the same potential as the surrounding earth. Normally, a non-current-carrying circuit intended for safety. (2) A common reference point ...

low-pass filter

Semiconductors; Test equipment

(1) An operation that blurs details in an image. (2) A circuit that attenuates the high-frequency components in an analog signal.

electromagnetic compatibility (EMC)

Semiconductors; Test equipment

(1) The ability of electronic equipment to operate in an intended electromagnetic environment without degradation caused by interference. (2) The ability of equipment to operate ...

pixel

Semiconductors; Test equipment

(1) The fundamental picture element in a digital image. (2) The coordinate unit used to define the horizontal location of a pixel in an image. ("Pixel" is an acronym for "picture ...

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