An image whose gray-levels span a significant portion of gray scale have __________ dynamic range while an image with dull, washed out gray look have __________ dynamic range.

Both have High dynamic range, irrespective of gray levels span significance on gray scale

Both have Low dynamic range, irrespective of gray levels span significance on gray scale

To convert a continuous sensed data into Digital form, which of the following is required?

Neither Sampling nor Quantization

How does sampling gets accomplished with a sensing strip being used for image acquisition?

The number of sensors in the sensing array establishes the limits of sampling in both directions

The number of sensors in the strip establishes the sampling limitations in one image direction and Mechanical motion in the other direction

The number of sensors in the sensing array establishes the limits of sampling in both directions

The number of mechanical increments when the sensor is activated to collect data

The procedure done on a digital image to alter the values of its individual pixels is

Geometric Spacial Transformation

How is sampling accomplished when a sensing array is used for image acquisition?

The number of mechanical increments at which we activate the sensor to collect data

The number of sensors in the strip establishes the sampling limitations in one image direction and Mechanical motion in the other direction

The number of sensors in the sensing array defines the limits of sampling in both directions

The number of mechanical increments at which we activate the sensor to collect data

For a continuous image f(x, y), Quantization is defined as

Digitizing the coordinate values

Digitizing the amplitude values

For a continuous image f(x, y), how could be Sampling defined?

Digitizing the amplitude values

Digitizing the coordinate values

Digitizing the amplitude values

68 + Mcqs in Digital Image Fundamentals in Digital Image Processing Page 1 McqOptions

1.	An image whose gray-levels span a significant portion of gray scale have __________ dynamic range while an image with dull, washed out gray look have __________ dynamic range.
A.	Low and High respectively
B.	High and Low respectively
C.	Both have High dynamic range, irrespective of gray levels span significance on gray scale
D.	Both have Low dynamic range, irrespective of gray levels span significance on gray scale
Answer» C. Both have High dynamic range, irrespective of gray levels span significance on gray scale

Discussion

2.	Matrix is made up of
A.	rows
B.	column
C.	values
D.	Both a and b
Answer» E.

Discussion

3.	Discernible small details of image is
A.	wide domain
B.	spatial domain
C.	frequency domain
D.	algebraic domain
Answer» C. frequency domain

Discussion

4.	To convert a continuous sensed data into Digital form, which of the following is required?
A.	Sampling
B.	Quantization
C.	Both Sampling and Quantization
D.	Neither Sampling nor Quantization
Answer» D. Neither Sampling nor Quantization

Discussion

5.	X-rays pass through the patient's body for generating diagnostic
A.	x-ray film
B.	rays
C.	images
D.	reel
Answer» B. rays

Discussion

6.	How does sampling gets accomplished with a sensing strip being used for image acquisition?
A.	The number of sensors in the strip establishes the sampling limitations in one image direction and Mechanical motion in the other direction
B.	The number of sensors in the sensing array establishes the limits of sampling in both directions
C.	The number of mechanical increments when the sensor is activated to collect data
D.	None of the mentioned
Answer» B. The number of sensors in the sensing array establishes the limits of sampling in both directions

Discussion

7.	A matrix is denoted by
A.	M.N
B.	M x N
C.	M+N
D.	MN
Answer» C. M+N

Discussion

8.	Mechanical digitizers are referred to
A.	densitometer
B.	micrometer
C.	microdensity
D.	microdensitometer
Answer» E.

Discussion

9.	Cone vision is called
A.	photopic
B.	photogenic
C.	photograph
D.	protoplasm
Answer» B. photogenic

Discussion

10.	One that is not the measuring substance of the image is
A.	radiance
B.	refraction
C.	illumination
D.	brightness
Answer» C. illumination

Discussion

11.	The choroid lies directly below the
A.	eye lid
B.	cornea
C.	retina
D.	sclera
Answer» E.

Discussion

12.	Value of speed of light constant c
A.	2.998x10^8
B.	3.998x10^8
C.	4.998x10^8
D.	5.998x10^8
Answer» B. 3.998x10^8

Discussion

13.	Part of the eye , that is not the membrane of the eye is
A.	cornea
B.	cells
C.	retina
D.	choroid
Answer» C. retina

Discussion

14.	Black and white images have only
A.	2 levels
B.	3 levels
C.	4 levels
D.	5 levels
Answer» B. 3 levels

Discussion

15.	In MxN, N is no of
A.	intensity levels
B.	colors
C.	rows
D.	columns
Answer» E.

Discussion

16.	Value of plank's constant h is
A.	9.55x10-34
B.	8.55x10-34
C.	7.55x10-34
D.	6.55x10-34
Answer» E.

Discussion

17.	Image sensor produces
A.	voltage waveform
B.	current waveform
C.	audio
D.	discrete signals
Answer» B. current waveform

Discussion

18.	The quality of a digital image is well determined by ___________
A.	The number of samples
B.	The discrete gray levels
C.	All of the mentioned
D.	None of the mentioned
Answer» D. None of the mentioned

Discussion

19.	Quantitatively, spatial resolution cannot be represented in which of the following ways
A.	line pairs
B.	pixels
C.	dots
D.	none of the Mentioned
Answer» E.

Discussion

20.	The procedure done on a digital image to alter the values of its individual pixels is
A.	Neighbourhood Operations
B.	Image Registration
C.	Geometric Spacial Transformation
D.	Single Pixel Operation
Answer» E.

Discussion

21.	Digitizing the image requires
A.	reflection
B.	sampling
C.	quantization
D.	Both b and c
Answer» E.

Discussion

22.	Gamma rays have largest
A.	wavelength
B.	frequency
C.	energy
D.	power
Answer» C. energy

Discussion

23.	Image processing approaches operating directly on pixels of input image work directly in ____________
A.	Transform domain
B.	Spatial domain
C.	Inverse transformation
D.	None of the Mentioned
Answer» C. Inverse transformation

Discussion

24.	Hard x-rays are used in
A.	medicines
B.	lithoscopy
C.	industry
D.	radar
Answer» D. radar

Discussion

25.	Validate the statement “When in an Image an appreciable number of pixels exhibit high dynamic range, the image will have high contrast.”
A.	True
B.	False
C.	May be
D.	Can't Say
Answer» B. False

Discussion

26.	DPI stands for
A.	dots per image
B.	dots per inches
C.	dots per intensity
D.	diameter per inches
Answer» C. dots per intensity

Discussion

27.	After digitization process a digital image with M rows and N columns have to be positive and for the number, L, max gray levels i.e. an integer power of 2 for each pixel. Then, the number b, of bits required to store a digitized image is:
A.	b=MNk
B.	b=MNL
C.	b=MLk
D.	b=LNk
Answer» B. b=MNL

Discussion

28.	No of bits to store image is denoted by the formula
A.	b = NxK
B.	b = MxN
C.	b = MxNxK
D.	b = MxK
Answer» D. b = MxK

Discussion

29.	MRI in imaging stands for
A.	magnetic resonance imaging
B.	magnetic resistance imaging
C.	magnetic resonance intensity
D.	major resonance imaging
Answer» B. magnetic resistance imaging

Discussion

30.	Types of imaging sensors are
A.	two
B.	three
C.	four
D.	five
Answer» C. four

Discussion

31.	E = hv in this expression, h is called
A.	speed of light
B.	light constant
C.	plank's constant
D.	acceleration constant
Answer» D. acceleration constant

Discussion

32.	The fovea itself is a circular indentation in the retina of about
A.	1.8mm
B.	1.5mm
C.	1.6mm
D.	1.7mm
Answer» C. 1.6mm

Discussion

33.	Type of zooms are
A.	8
B.	6
C.	4
D.	2
Answer» E.

Discussion

34.	The lens has a fixed
A.	focal length
B.	width
C.	length
D.	focal width
Answer» B. width

Discussion

35.	In Geometric Spacial Transformation, points whose locations are known precisely in input and reference images.
A.	Tie points
B.	Reseau points
C.	Known points
D.	Key-points
Answer» B. Reseau points

Discussion

36.	How is sampling accomplished when a sensing array is used for image acquisition?
A.	The number of sensors in the strip establishes the sampling limitations in one image direction and Mechanical motion in the other direction
B.	The number of sensors in the sensing array defines the limits of sampling in both directions
C.	The number of mechanical increments at which we activate the sensor to collect data
D.	None of the mentioned
Answer» C. The number of mechanical increments at which we activate the sensor to collect data

Discussion

37.	For a continuous image f(x, y), Quantization is defined as
A.	Digitizing the coordinate values
B.	Digitizing the amplitude values
C.	All of the mentioned
D.	None of the mentioned
Answer» C. All of the mentioned

Discussion

38.	For a continuous image f(x, y), how could be Sampling defined?
A.	Digitizing the coordinate values
B.	Digitizing the amplitude values
C.	All of the mentioned
D.	None of the mentioned
Answer» B. Digitizing the amplitude values

Discussion

39.	One that is not the type of image sensor is
A.	single sensor
B.	line sensor
C.	matrix sensor
D.	array sensor
Answer» D. array sensor

Discussion

40.	Radio waves have largest
A.	wavelength
B.	frequency
C.	energy
D.	power
Answer» B. frequency

Discussion

41.	Process of using known to estimate unknown is called
A.	interchange
B.	interpolation
C.	extrapolation
D.	estimation
Answer» C. extrapolation

Discussion

42.	In digital image of M rows and N columns and L discrete gray levels, calculate the bits required to store a digitized image for M=N=32 and L=16.
A.	16384
B.	4096
C.	8192
D.	512
Answer» C. 8192

Discussion

43.	Dynamic range of imaging system is a ratio where the upper limit is determined by
A.	Saturation
B.	Noise
C.	Brightness
D.	Contrast
Answer» B. Noise

Discussion

44.	To convert a continuous image f(x, y) to digital form, we have to sample the function in __________
A.	Coordinates
B.	Amplitude
C.	All of the mentioned
D.	None of the mentioned
Answer» D. None of the mentioned

Discussion

45.	Image linear interpolation is given by the formula
A.	v(x,y) = ax+by+cxy+d
B.	v(x,y) = ax+by+cxy
C.	v(x,y) = ax+by+d
D.	v(x,y) = by+cxy+d
Answer» B. v(x,y) = ax+by+cxy

Discussion

46.	Discernible change in intensity level of image is
A.	wide domain
B.	spatial domain
C.	frequency domain
D.	algebraic domain
Answer» D. algebraic domain

Discussion

47.	Black and white pixels of image are represented in matrix as
A.	1 and 2
B.	0 and 1
C.	0 and 2
D.	0 and -1
Answer» C. 0 and 2

Discussion

48.	Digital image processing is build on mathematical and
A.	probabilistic formulations
B.	additional formulations
C.	probabilistic addition
D.	probabilistic subtraction
Answer» B. additional formulations

Discussion

49.	Digitizing the amplitude values is called
A.	radiance
B.	illuminance
C.	sampling
D.	quantization
Answer» E.

Discussion

50.	Functions that combines to produce Æ(x,y)
A.	illumination and frequency
B.	intensity and reflectance
C.	illumination and radiance
D.	illumination and reflectance
Answer» E.

Discussion

Explore topic-wise MCQs in Digital Image Processing.

An image whose gray-levels span a significant portion of gray scale have __________ dynamic range while an image with dull, washed out gray look have __________ dynamic range.

Matrix is made up of

Discernible small details of image is

To convert a continuous sensed data into Digital form, which of the following is required?

X-rays pass through the patient's body for generating diagnostic

How does sampling gets accomplished with a sensing strip being used for image acquisition?

A matrix is denoted by

Mechanical digitizers are referred to

Cone vision is called

One that is not the measuring substance of the image is

The choroid lies directly below the

Value of speed of light constant c

Part of the eye , that is not the membrane of the eye is

Black and white images have only

In MxN, N is no of

Value of plank's constant h is

Image sensor produces

The quality of a digital image is well determined by ___________

Quantitatively, spatial resolution cannot be represented in which of the following ways

The procedure done on a digital image to alter the values of its individual pixels is

Digitizing the image requires

Gamma rays have largest

Image processing approaches operating directly on pixels of input image work directly in ____________

Hard x-rays are used in

Validate the statement “When in an Image an appreciable number of pixels exhibit high dynamic range, the image will have high contrast.”

DPI stands for

After digitization process a digital image with M rows and N columns have to be positive and for the number, L, max gray levels i.e. an integer power of 2 for each pixel. Then, the number b, of bits required to store a digitized image is:

No of bits to store image is denoted by the formula

MRI in imaging stands for

Types of imaging sensors are

E = hv in this expression, h is called

The fovea itself is a circular indentation in the retina of about

Type of zooms are

The lens has a fixed

In Geometric Spacial Transformation, points whose locations are known precisely in input and reference images.

How is sampling accomplished when a sensing array is used for image acquisition?

For a continuous image f(x, y), Quantization is defined as

For a continuous image f(x, y), how could be Sampling defined?

One that is not the type of image sensor is

Radio waves have largest

Process of using known to estimate unknown is called

In digital image of M rows and N columns and L discrete gray levels, calculate the bits required to store a digitized image for M=N=32 and L=16.

Dynamic range of imaging system is a ratio where the upper limit is determined by

To convert a continuous image f(x, y) to digital form, we have to sample the function in __________

Image linear interpolation is given by the formula

Discernible change in intensity level of image is

Black and white pixels of image are represented in matrix as

Digital image processing is build on mathematical and

Digitizing the amplitude values is called

Functions that combines to produce Æ(x,y)

An image whose gray-levels span a significant portion of gray scale have dynamic range while an image with dull, washed out gray look have dynamic range.

Functions that combines to produce Æ(x,y)