Fauber Chapter 4 Questions with Correct Answers for Specific Exam Mail supergrades12@gmail.com

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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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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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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


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