Digital Image Processing Questions and Answers, Set 15

Digital Image Processing Questions and Answers


Q1. 
The procedure done on a digital image to alter the values of its individual pixels is

Answer :   
Single Pixel Operation


Q2. 
Electromagnetic waves can be visualised as a

Answer :   
Sine wave


Q3. 
What do you mean by achromatic light?

Answer :   
Monochromatic light

Q4. 
Enhancement of differences between images is based on the principle of ________

Answer :   
Subtraction


Q5. 
Imaging systems having physical artefacts embedded in the imaging sensors produce a set of points called ________

Answer :   
Reseau Marks


Q6. 
Which of the following in an image can be removed by using smoothing filter?

Answer :   
Sharp transitions of gray levels


Q7. 
Median filter belongs to which category of filters?

Answer :   
Order static filter


Q8. 
What is the name of process used to correct the power-law response phenomena?

Answer :   
Gamma correction


Q9. 
In which type of slicing, highlighting a specific range of gray levels in an image often is desired?

Answer :   
Gray-level slicing


Q10. 
Image differentiation enhances the edges, discontinuities and deemphasizes the pixels with slow varying gray levels.

Answer :   
True





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