Digital Image Processing Questions and Answers
Q1.
What are the categories of digital image processing?
Answer :
1. Image Enhancement
2. Image Classification and Analysis
3. Image Transformation
Q2.
The aliasing effect on an image can be reduced using which of the following methods?
Answer :
By reducing the high-frequency components of image by blurring the image
Q3.
_______ determines the quality of a digital image.
Answer :
discrete gray levels & number of samples
Q4.
Which of the following tool is used in tasks such as zooming, shrinking, rotating, etc.?
Answer :
Interpolation
Q5.
Approaches to image processing that work directly on the pixels of incoming image work in ______
Answer :
Spatial domain
Q6.
Which of the following illustrates three main types of image enhancing functions?
Answer :
Power law, logarithmic and inverse law
Q7.
Which of the following fact is correct for an image?
Answer :
An image is the multiplication of illumination and reflectance component
Q8.
Which of the following is the application of Histogram Equalisation?
Answer :
Image enhancement
Q9.
______ is/are the feature(s) of a highpass filtered image.
Answer :
1. An overall sharper image
2. Have less gray-level variation in smooth areas
3. Emphasized transitional gray-level details
Q10.
Which gray-level transformation increases the dynamic range of gray-level in the image?
Answer :
Contrast stretching
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