Digital Image Processing Questions and Answers
Q1.
An image is considered to be a function of a(x,y), where a represents:
Answer :
Amplitude of image
Q2.
Which means the assigning meaning to a recognized object.
Answer :
Interpretation
Q3.
What is the next step in image processing after compression?
Answer :
Morphological processing
Q4.
In which step of the processing, assigning a label (e.g., “vehicle”) to an object based on its descriptors is done?
Answer :
Object recognition
Q5.
For a continuous image f(x, y), how could be Sampling defined?
Answer :
Digitizing the coordinate values
Q6. How is sampling accomplished when a sensing array is used for image acquisition?
Answer :
The number of sensors in the sensing array defines the limits of sampling in both directions
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 max gray levels. There are no requirements on M and N, other than that M and N have to be positive integer. However, the number of gray levels typically is
Answer :
An integer power of 2 i.e. L = 2k
Q8.
A continuous image is digitised at _______ points.
Answer :
sampling
Q9.
The type of Interpolation where for each new location the intensity of the immediate pixel is assigned is _____
Answer :
nearest neighbour interpolation
Q10.
A geometry consisting of in-line arrangement of sensors for image acquisition
Answer :
Sensor strips
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