Ch 16: Dynamic Range Flashcards

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1
Q

This is a method of describing the extent to which a signal can vary and still maintain accuracy.

A

dynamic range

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2
Q

Dynamic range is reported in units of…

A

decibels (dB).

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3
Q

As a general rule, the dynamic range of information __ the more it is processed.

A

decreases

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4
Q

This is a technique that reduces the dynamic range of a signal without introducing errors.

A

compression

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5
Q

In compression, the largest signal ends as the…

A

largest.

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6
Q

In compression, the smallest signal ends as the…

A

smallest.

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7
Q

In compression, the range of signals is…

A

reduced.

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8
Q

The dynamic range of a display can be reported as the number of __ gray shades.

A

possible

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9
Q

Narrow dynamic range means __ gray shades.

A

fewer

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10
Q

Images that display few shades of gray are called…

A

high contrast.

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11
Q

Wide dynamic range means __ gray shades.

A

many

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12
Q

Images that display many shades of gray are called…

A

low contrast.

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