Noise on a Digital Image Is the Summation of Inherent

question 12

Multiple Choice

Noise on a digital image is the summation of inherent electron system noise and quantum mottle noise.Of these two, the radiographer can improve the noise on an image by

• A)decreasing the exposure intensity of the x-ray beam.
• B)increasing the exposure technique.
• C)turning off any electronic devices during exposures.
• D)all of the above

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Definitions:

Joint Probabilities

A statistical measure that determines the likelihood of two events occurring simultaneously.

Joint Probability

The likelihood of two events occurring simultaneously.

Independent

Not influenced or controlled by others; in statistics, refers to variables that are not related or do not affect each other.

Marginal Probability

The probability of an event occurring, disregarding all other variables or outcomes in a probability distribution.