Digital Image Processing Questions and Answers
Q1.
Which gray-level transformation increase the dynamic range of gray-level in the image?
Answer :
Contrast stretching
Q2.
Which of the following helps to obtain the number of bits to be used to quantize each pixel.
Answer :
Bit-plane slicing
Q3.
A type of Image is called as VHRR image. What is the definition of VHRR image?
Answer :
Very High Resolution Radiometer image
Q4.
Which of the following statement(s) is true for the given fact that “Applying Highpass filters has an effect on the background of the output image”?
Answer :
The average background intensity reduces to near black
Q5.
The inner most membrane of the human eye is
Answer :
Retina
Q6.
In 4-neighbours of a pixel p, how far are each of the neighbours located from p?
Answer :
one pixel apart
Q7.
For a region R, the set of points that are adjacent to the complement of R is called as ______
Answer :
1. Boundary
2. Border
3. Contour
Q8.
What are the names of categories of color image processing?
Answer :
Full-color and pseudo-color processing
Q9.
Which of the following represent the correct equations for trichromatic coefficients?
Answer :
x=X/(X+Y+Z), y=Y/(X+Y+Z), z=Z/(X+Y+Z)
Q10.
What do you mean by the term pixel depth?
Answer :
It is the number of bits used to represent each pixel in RGB space
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