Explore topic-wise MCQs in Digital Image Processing.

This section includes 50 Mcqs, each offering curated multiple-choice questions to sharpen your Digital Image Processing knowledge and support exam preparation. Choose a topic below to get started.

1.

One that is not a part of digital filter

A. unit delay
B. multiplier
C. subtractor
D. adder
Answer» D. adder
2.

Heisenberg uncertainty principle is used for

A. data processing
B. information processing
C. data processinerosion
D. dilation
Answer» C. data processinerosion
3.

Lowpass Gaussian filtering produces

A. Gaussian pyramids
B. pyramids
C. mean pyramids
D. equalized histogram
Answer» B. pyramids
4.

The size of the base image will be

A. N-1 x N-1
B. N+1 x N-1
C. N-1 x N
D. N x N
Answer» E.
5.

Prediction residual pyramid is computed in

A. 2 steps
B. 3 steps
C. 4 steps
D. 5 steps
Answer» C. 4 steps
6.

Modulated version of filter is defined by the equation

A. h5(n) = (-1)nh1(n)
B. h5(n) = h1(n)
C. h5(n) = (-1)n
D. h = (-1)nh1(n)
Answer» B. h5(n) = h1(n)
7.

Function having compact support is

A. histogram
B. pyramids
C. mean pyramids
D. haar function
Answer» E.
8.

The apex of image pyramid contains

A. low resolution
B. high resolution
C. intensity
D. blurred portion
Answer» B. high resolution
9.

The scaling function is

A. pentagonal
B. square
C. orthogonal
D. oval
Answer» D. oval
10.

In multiresolution processing * represents the

A. complete conjugate operation
B. complex conjugate operation
C. complete complex operation
D. complex complex operation
Answer» C. complete complex operation
11.

Narrow wavelets represents

A. sharp details
B. finer details
C. blur details
D. edge details
Answer» C. blur details
12.

Decomposition in subband coding is performed to

A. segment image
B. reconstruct image
C. blur image
D. sharpened image
Answer» C. blur image
13.

Subband of input image, showing dD(m,n) is called

A. approximation
B. vertical detail
C. horizontal detail
D. diagonal detail
Answer» E.
14.

Heisenberg uncertainty principle is viewed as

A. tiles
B. blocks
C. squares
D. circles
Answer» B. blocks
15.

No filtering produces

A. Gaussian pyramids
B. pyramids
C. mean pyramids
D. subsampling pyramids
Answer» E.
16.

Function space is referred to as

A. open span
B. fully span
C. closed span
D. span
Answer» D. span
17.

The function changing the shape is called

A. scaling function
B. shaping function
C. down sampling
D. blurring
Answer» B. shaping function
18.

Representing image in more than one resolution is

A. histogram
B. image pyramid
C. local histogram
D. equalized histogram
Answer» C. local histogram
19.

Low contrast images are considered as

A. low resolution
B. high resolution
C. intense
D. blurred
Answer» C. intense
20.

Discarding every sample is called

A. up sampling
B. filtering
C. down sampling
D. blurring
Answer» D. blurring
21.

Function can be represented with

A. arbitrary precision
B. filtering
C. down sampling
D. prototype
Answer» B. filtering
22.

Filter banks consists of

A. 1 FIR filter
B. 2 FIR filters
C. 3 FIR filters
D. 4 FIR filters
Answer» C. 3 FIR filters
23.

Processing the image in small parts is

A. histogram
B. pyramids
C. local histogram
D. equalized histogram
Answer» D. equalized histogram
24.

Haar transformation is defined by

A. T = HFHT
B. T = HFH
C. T = HFT
D. T = HT
Answer» B. T = HFH
25.

Subband of input image, showing a(m,n) is called

A. approximation
B. vertical detail
C. horizontal detail
D. diagonal detail
Answer» B. vertical detail
26.

DSF stands for

A. Design signal filtering
B. Digital signal filtering
C. Digital segment filtering
D. Design segment filtering
Answer» C. Digital segment filtering
27.

Neighborhood averaging produces

A. histogram
B. pyramids
C. mean pyramids
D. equalized histogram
Answer» D. equalized histogram
28.

Ak coefficients are computed by

A. integrated outer products
B. integrated inner products
C. integral outer products
D. integral inner products
Answer» E.
29.

Moving up in pyramid he size

A. increases
B. remain same
C. decreases
D. blurred
Answer» D. blurred
30.

MRA stands for

A. Multiresolution analysis
B. Multiresolution assembly
C. Multiresemble analysis
D. Multiresemble assembly
Answer» B. Multiresolution assembly
31.

High contrast images are considered as

A. low resolution
B. high resolution
C. intense
D. blurred
Answer» B. high resolution
32.

Subband of input image, showing dv(m,n) is called

A. approximation
B. vertical detail
C. horizontal detail
D. diagonal detail
Answer» C. horizontal detail
33.

Decomposing image into band limit components is called

A. low coding
B. high coding
C. intense coding
D. subband coding
Answer» E.
34.

Integer wavelet translates are

A. pentagonal
B. square
C. orthogonal
D. oval
Answer» D. oval
35.

The image pyramid contains

A. j levels
B. j-1 levels
C. j+1 levels
D. n levels
Answer» B. j-1 levels
36.

K multiplication constants in digital filters are called

A. co efficient
B. multipliers
C. subtractors
D. filter coefficients
Answer» E.
37.

Diagonally opposed filters is said to be

A. modulation
B. multiplier
C. cross modulation
D. subband coding
Answer» D. subband coding
38.

In upsampling after every sample placing value is

A. 1
B. 0
C. 2
D. 3
Answer» C. 2
39.

CWT stands for

A. Complete wavelet transform
B. Complex wavelet transform
C. Continuous wavelet transform
D. Continuous wavelet transformation
Answer» D. Continuous wavelet transformation
40.

Images are

A. 1D arrays
B. 2D arrays
C. 3D arrays
D. 4D arrays
Answer» C. 3D arrays
41.

Subspaces spanned are nested at

A. lower scales
B. higher scales
C. mid scales
D. intense scales
Answer» C. mid scales
42.

MRA equation is also called

A. modulating equation
B. FIR filter
C. dilation equation
D. span equation
Answer» D. span equation
43.

Scaling vectors are taken as

A. heights
B. sharpness
C. intensity
D. weights
Answer» E.
44.

FWT stands for

A. Fast wavelet transformation
B. Fast wavelet transform
C. Fourier wavelet transform
D. Fourier wavelet transformation
Answer» C. Fourier wavelet transform
45.

Subband of input image, showing dH(m,n) is called

A. approximation
B. vertical detail
C. horizontal detail
D. diagonal detail
Answer» D. diagonal detail
46.

The base of image pyramid contains

A. low resolution
B. high resolution
C. intensity
D. blurred portion
Answer» C. intensity
47.

DSP stands for

A. Digital signal processing
B. Design signal processing
C. Digital signal processed
D. Design signal processed
Answer» B. Design signal processing
48.

Orthonormal filter is developed around filter called

A. up sampling
B. filtering
C. Digital segment filtering
D. prototype
Answer» E.
49.

DWT stands for

A. Discrete wavelet transform
B. Discrete wavelet transformation
C. Digital wavelet transform
D. Digital wavelet transformation
Answer» B. Discrete wavelet transformation
50.

Wavelet series equation is the sum of

A. scaling coefficient
B. detail coefficient
C. span coefficient
D. Both a and b
Answer» E.