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RAD 370 Digital Imaging Final Exam Questions with 100% Correct Answers
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RAD 370 Digital Imaging Final Exam Questionswith 100% Correct Answers
The ability of a digital system to display subtle changes in shades of gray is called:
- image quality
- contrast resolution
- spatial resolution
- dynamic range - ✔️✔️contrast resolution
The ability of an imaging system to demonstrate small details of an object is known as:
- image quality
- contrast resolution
- spatial resolution
- dynamic range - ✔️✔️spatial resolution
A system's ability to respond to varying levels of exposure, resulting in more detail, is referred
to as:
- spatial resolution
- dynamic range
- contrast resolution
- dynamic resolution - ✔️✔️dynamic range
"The sum of the components in a recording system, cannot be a greeter than the system as a
whole" is a definition of:
- modulation transfer function (MTF)
- enhanced visualization image processing
- digital image contrast and density latitude
- principles of contrast enhancement - ✔️✔️MTF
,A perfect image processing system would have an MTF of:
- 1%
- 10%
- 100%
- 1000% - ✔️✔️100%
The range of exposure values the image detector is able to produce is known as:
- dynamic range
- modulation transfer
- latitude
- detective quantum efficiency - ✔️✔️latitude
The efficiency of a system to convert x-ray input signal into a useful output image is known as:
- dynamic range
- spatial resolution
- latitude
- detective quantum efficiency - ✔️✔️detective quantum efficiency
Digital imaging techniques are always applied to _____:
- CT
- ultrasound
- magnetic resonance imaging
- all of the above - ✔️✔️all of the above
In digital radiography, the brightness of the image is determined by:
- pixel values
, - Hounsfield units
- automatic brightness control
- film contrast - ✔️✔️pixel values
The dynamic range determines the degree of _______ in the image:
- contrast resolution
- spatial resolution
- motion blur
- all of the above - ✔️✔️contrast resolution
Spatial resolution is determined by the ratio of _______ to ________:
- matrix size, field of view
- field of view, matrix size
- bit depth, field of view
- field of view, dynamic range - ✔️✔️field of view, matrix size
Failure of the reader to find the collimation edges of an image:
- will result in image cut off
- may cause the image to be too bright or too dark
- will eliminate all scatter
- will have no effect on the resultant image - ✔️✔️may cause the image to be too bright or too
dark
If the entire range of exposure were digitized, pixel values representing ______ would be
digitized.
- scatter
- only diagnostic values
- only the extreme values
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