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Digital Radiography

Digital Radiography: An Introduction Chapter 2

QuestionAnswer
The _____ _____ converts a function in the time domain to a function in the frequency domain. Fourier transform
In ______ compression, there is no loss of information in the image. lossless
In _____ compression there is some loss of image details when the image is decompressed. lossy
A digital image is made up of a 2D array of numbers called a ____. matrix
Picture elements Pixels
Pixel size=_________________ FOV/Matrix Size
The larger the matrix size, the ______ the pixel size. smaller
The number of bits per pixel is __ ____. bit depth
As the FOV decreases without a change in matrix size, the size of the pixels ________. decreases
Changing the histogram of the image to alter the brightness and/or contrast of the image Histogram stretching/modification
The center of the range of numbers in a digital image Window level
The range of numbers in a digital image Window width
The widow width controls the image _____. contrast
The window level controls the _______ of the image. brightness
A _____ image is a numerical representation of the patient. digital
Created by: frenchfrielover
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