1
Fauber Chapter 4 Questions with
Correct Answers for Specific Exam
Mail
How is the latent image stored in digital imaging?
Ans: It's stored as a digital data
What are the two common types of digital radiography
systems used today?
Ans: CR and DR
How is a digital image recorded?
Ans: They are recorded as a matrix
What is a matrix?
Ans: A combination of rows and columns of small pixels
What is a pixel?
Ans: The picture element
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,2
What are pixels measured in?
Ans: Microns (100 microns = 0.1 mm)
What is each pixel recorded as?
Ans: A single numerical value represents as a single
brightness level
What is the field of view or FOV?
Ans: The dimensions of an atomic area of interest
How many pixels does a 1024x1024 matrix have?
Ans: 1,048,576
How many pixels does a 2048x2048 matrix have?
Ans: 4,194,304
A larger matrix size that includes a greater number of
small pixels ____ digital image quality.
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, 3
Ans: Improves
What also increases as matrix size increases?
Ans: Process time, transmission time and storage space
How do you determine pixel size?
Ans: FOV / matrix size
If the FOV is increased for a fixed matrix size, the pixel size
is ____
Ans: Increased
If the matrix size is increased for a fixed FOV, the pixel size
is ____
Ans: Decreased
What is pixel bit depth?
Ans: The number of shades of gray that each pixel can
produce
Pretest - Stuvia US
Fauber Chapter 4 Questions with
Correct Answers for Specific Exam
How is the latent image stored in digital imaging?
Ans: It's stored as a digital data
What are the two common types of digital radiography
systems used today?
Ans: CR and DR
How is a digital image recorded?
Ans: They are recorded as a matrix
What is a matrix?
Ans: A combination of rows and columns of small pixels
What is a pixel?
Ans: The picture element
Pretest - Stuvia US
,2
What are pixels measured in?
Ans: Microns (100 microns = 0.1 mm)
What is each pixel recorded as?
Ans: A single numerical value represents as a single
brightness level
What is the field of view or FOV?
Ans: The dimensions of an atomic area of interest
How many pixels does a 1024x1024 matrix have?
Ans: 1,048,576
How many pixels does a 2048x2048 matrix have?
Ans: 4,194,304
A larger matrix size that includes a greater number of
small pixels ____ digital image quality.
Pretest - Stuvia US
, 3
Ans: Improves
What also increases as matrix size increases?
Ans: Process time, transmission time and storage space
How do you determine pixel size?
Ans: FOV / matrix size
If the FOV is increased for a fixed matrix size, the pixel size
is ____
Ans: Increased
If the matrix size is increased for a fixed FOV, the pixel size
is ____
Ans: Decreased
What is pixel bit depth?
Ans: The number of shades of gray that each pixel can
produce
Pretest - Stuvia US
