Digital Image Processing Questions and Answers
Q1.
A specific range of gray-levels highlighting is the basic idea of _______
Answer :
Gray-level slicing
Q2.
State the statement as true or false. “The GLPF did produce as much smoothing as the BLPF of order 2 for the same value of cutoff frequency”.
Answer :
False
Q3.
The Image sharpening in frequency domain can be achieved by which of the following method(s)?
Answer :
Attenuating the low-frequency components
Q4.
Which of the following is a receptor in the retina of human eye?
Answer :
Rods and Cones
Q5.
What is the function of Iris?
Answer :
Control amount of light
Q6.
If S is a subset of pixels, pixels p and q are said to be _______ if there exists a path between them consisting of pixels entirely in S.
Answer :
connected
Q7.
The distance between pixels p and q, the pixels have a distance less than or equal to some value of radius r centred at (x,y) is called :
Answer :
Euclidean distance
Q8.
What are the basic quantities that are used to describe the quality of a chromatic light source?
Answer :
Radiance, brightness and luminence
Q9.
What do you mean by tri-stimulus values?
Answer :
It is the amount of red, green and blue needed to form any particular color
Q10.
How many bit RGB color image is represented by full-color image?
Answer :
24-bit RGB color image
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