Operational Image Processing Interview Questions & Answers:

1. What is Histogram Matching also called as?
a) Histogram Equalisation
b) Histogram Specification
c) Histogram linearisation
d) None of the Mentioned

b) Histogram Specification
Histogram Specification is also known as Histogram Matching.

2. What does SEM stands for?
a) Scanning Electronic Machine
b) Self Electronic Machine
c) Scanning Electron Microscope
d) Scanning Electric Machine

c) Scanning Electron Microscope
SEM stands for Scanning Electron Microscope.

3. The type of Histogram Processing in which pixels are modified based on the intensity distribution of the image is called _______________.
a) Intensive
b) Local
c) Global
d) Random

c) Global
It is called Global Histogram Processing.

4. In _______ image we notice that the components of histogram are concentrated on the low side on intensity scale.
a) bright
b) dark
c) colourful
d) All of the Mentioned

b) dark
Only in dark images, we notice that the components of histogram are concentrated on the low side on intensity scale.

5. Which type of Histogram Processing is suited for minute detailed enhancements?
a) Intensive
b) Local
c) Global
d) Random

b) Local
Local Histogram Processing is used.

6. Histogram Equalisation is mainly used for _________________________.
a) Image enhancement
b) Blurring
c) Contrast adjustment
d) None of the Mentioned

a) Image enhancement
It is mainly used for Enhancement of usually dark images.

7. What is the basis for numerous spatial domain processing techniques?
a) Transformations
b) Scaling
c) Histogram
d) None of the Mentioned

c) Histogram
Histogram is the basis for numerous spatial domain processing techniques.

8. In uniform PDF, the expansion of PDF is ____________________________.
a) Portable Document Format
b) Post Derivation Function
c) Previously Derived Function
d) Probability Density Function

d) Probability Density Function
PDF stands for Probability Density Function.

9. To reduce computation if one utilises non-overlapping regions, it usually produces ______ effect.
a) Dimming
b) Blurred
c) Blocky
d) None of the Mentioned

c) Blocky
Utilising non-overlapping regions usually produces "Blocky" effect.

10. What is Histogram Equalisation also called as?
a) Histogram Matching
b) Image Enhancement
c) Histogram linearisation
d) None of the Mentioned

c) Histogram linearisation
Histogram Linearisation is also known as Histogram Equalisation.