Digital Image Processing Questions and Answers
Q1.
Among the following image processing techniques which is fast, precise and flexible.
Answer :
Digital
Q2.
Which gives a measure of the degree to which a pure colour is diluted by white light?
Answer :
Saturation
Q3.
In which step of processing, the images are subdivided successively into smaller regions?
Answer :
Wavelets
Q4.
Which of the following step deals with tools for extracting image components those are useful in the representation and description of shape?
Answer :
Morphological processing
Q5.
To convert a continuous image f(x, y) to digital form, we have to sample the function in _____
Answer :
1. Coordinates
2. Amplitude`
Q6.
How does sampling gets accomplished with a sensing strip being used for image acquisition?
Answer :
The number of sensors in the strip establishes the sampling limitations in one image direction and Mechanical motion in the other direction
Q7.
The digitization process i.e. the digital image has M rows and N columns, requires decisions about values for M, N, and for the number, L, of gray levels allowed for each pixel. The value M and N have to be:
Answer :
M and N have to be positive integer
Q8.
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.
Answer :
4096
Q9.
What is the tool used in tasks such as zooming, shrinking, rotating, etc.?
Answer :
Interpolation
Q10.
The most familiar single sensor used for Image Acquisition is
Answer :
Photodiode
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