Digital Image Processing Questions and Answers
Q1.
What is pixel?
Answer :
Pixel is the elements of a digital image
Q2.
A typical size comparable in quality to monochromatic TV image is of size.
Answer :
512 X 512
Q3.
What is the step that is performed before color image processing in image processing?
Answer :
Image restoration
Q4.
What role does the segmentation play in image processing?
Answer :
Deals with partitioning an image into its constituent parts or objects
Q5.
For a continuous image f(x, y), Quantization is defined as
Answer :
Digitizing the amplitude values
Q6.
The quality of a digital image is well determined by _____
Answer :
1. The number of samples
2. The discrete gray levels
Q7.
After digitization process a digital image with M rows and N columns have to be positive and for the number, L, max gray levels i.e. an integer power of 2 for each pixel. Then, the number b, of bits required to store a digitized image is:
Answer :
b=M*N*k
Q8.
The transition between continuous values of the image function and its digital equivalent is called ______
Answer :
Quantisation
Q9.
The type of Interpolation where the intensity of the FOUR neighbouring pixels is used to obtain intensity a new location is called ________
Answer :
nearest neighbour interpolation
Q10.
CAT in imaging stands for
Answer :
Computerised Axial Tomography
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