Question 1

Nonvisible physical images include all of the following except:

Accepted Answer

A)   temperature.
B)   pressure.
C)   elevation maps.
D)   holograms.

Question 2

An 8-bit analog to digital converter (ADC)  will divide a signal into:

Accepted Answer

A)   8 parts.
B)   8 Parts.
C)   64 parts.
D)   256 parts.

Question 3

The purpose of image enhancement is:

Accepted Answer

A)   to generate an image more pleasing to the observer.
B)   to improve the quality of images that have distortions.
C)   to allow measurements and statistics to be performed.
D)   to reduce the size of the image.

Question 4

Digital image processing can be defined as "subjecting numerical representations of objects to a series of operations to obtain a desired result."

Accepted Answer

A) True 
 B)False

Question 5

A larger matrix results in a larger pixel size.

Accepted Answer

A) True 
 B)False

Question 6

In which of the following are numerical representations of objects subjected to a series of operations to produce a desired result?

Accepted Answer

A)   Digital image processing
B)   Pattern recognition
C)   Analog-to-digital conversion
D)   Digital to analog conversion

Question 7

Which of the following converts an analog signal (voltage)  into digital data (numbers) ?

Accepted Answer

A)   An analog switch
B)   An ADC
C)   A digitizer
D)   A digital to analog converter (DA
C)

Question 8

The sine wave is an example of an analog signal.

Accepted Answer

A) True 
 B)False

Question 9

The total number of gray levels is called:

Accepted Answer

A)   a matrix.
B)   the gray scale.
C)   an electronic signal.
D)   bit depth.

Question 10

Please match the following digital image processing concepts for each group. Answer selections may be used more than once.

-Also called area processes or group processes

Accepted Answer

A)  Global operations
B)  Point operations
C)  Local operations
D)  Geometrical operations

Question 11

Explain briefly what is meant by convolution.

Accepted Answer

Convolution is a digital image processin...

Question 12

Please match the following digital image processing concepts for each group. Answer selections may be used more than once.

-Gray-level mapping

Accepted Answer

A)  Global operations
B)  Point operations
C)  Local operations
D)  Geometrical operations

Question 13

A technique of filtering in the spatial domain rather than in the frequency domain is convolution.

Accepted Answer

A) True 
 B)False

Question 14

Please match the following digital image processing concepts for each group. Answer selections may be used more than once.

-This technique can result in the scaling and sizing of images

Accepted Answer

A)  Global operations
B)  Point operations
C)  Local operations
D)  Geometrical operations

Question 15

What is the purpose of the host computer in a digital image processing system?

Accepted Answer

The purpose of the host computer in a di...

Question 16

The Fourier transform is used to transform one image domain into another image domain.

Accepted Answer

A) True 
 B)False

Question 17

Which image processing hardware is responsible for high-speed processing of the input digital data?

Accepted Answer

A)   Digitizer
B)   Image memory
C)   Internal image processor
D)   Host computer

Question 18

The contraction for "picture element" is:

Accepted Answer

A)   pixel.
B)   voxel.
C)   matrix.
D)   address.

Question 19

A radiograph is an example of an analog image.

Accepted Answer

A) True 
 B)False

Question 20

Digital image processing was first developed for NASA's work in lunar and planetary exploration.

Accepted Answer

A) True 
 B)False

Exam 2: Digital Image Processing

Which image processing hardware is responsible for high-speed processing of the input digital data?

Correct AnswerverifiedShow Answer

A technique of filtering in the spatial domain rather than in the frequency domain is convolution.

Correct AnswerverifiedShow Answer

The contraction for "picture element" is:

Correct AnswerverifiedShow Answer

Digital image processing can be defined as "subjecting numerical representations of objects to a series of operations to obtain a desired result."

Correct AnswerverifiedShow Answer

Which of the following converts an analog signal (voltage) into digital data (numbers) ?

Correct AnswerverifiedShow Answer

The purpose of image enhancement is:

Correct AnswerverifiedShow Answer

The sine wave is an example of an analog signal.

Correct AnswerverifiedShow Answer

In which of the following are numerical representations of objects subjected to a series of operations to produce a desired result?

Correct AnswerverifiedShow Answer

Digital image processing was first developed for NASA's work in lunar and planetary exploration.

Correct AnswerverifiedShow Answer

The total number of gray levels is called:

Correct AnswerverifiedShow Answer

Nonvisible physical images include all of the following except:

Correct AnswerverifiedShow Answer

The Fourier transform is used to transform one image domain into another image domain.

Correct AnswerverifiedShow Answer

Please match the following digital image processing concepts for each group. Answer selections may be used more than once. -This technique can result in the scaling and sizing of images

Correct AnswerverifiedShow Answer

A radiograph is an example of an analog image.

Correct AnswerverifiedShow Answer

Please match the following digital image processing concepts for each group. Answer selections may be used more than once. -Also called area processes or group processes

Correct AnswerverifiedShow Answer

A larger matrix results in a larger pixel size.

Correct AnswerverifiedShow Answer

An 8-bit analog to digital converter (ADC) will divide a signal into:

Correct AnswerverifiedShow Answer

Please match the following digital image processing concepts for each group. Answer selections may be used more than once. -Gray-level mapping

Correct AnswerverifiedShow Answer

What is the purpose of the host computer in a digital image processing system?

Correct AnswerverifiedThe purpose of the host computer in a di...View AnswerShow Answer

Explain briefly what is meant by convolution.

Correct AnswerverifiedConvolution is a digital image processin...View AnswerShow Answer

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The purpose of the host computer in a di...
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Correct Answer
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Convolution is a digital image processin...
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