Mathematical Tools in Digital Image Processing MCQ

1. How is array operation carried out involving one or more images?
a) array by array
b) pixel by pixel
c) column by column
d) row by row


2. The property indicating that the output of a linear operation due to the sum of two inputs is same as performing the operation on the inputs individually and then summing the results is called _____________.

a) additivity
b) heterogeneity
c) homogeneity
d) None of the Mentioned


3. The property indicating that the output of a linear operation to a constant times as input is the same as the output of operation due to original input multiplied by that constant is called ___________.
a) additivity
b) heterogeneity
c) homogeneity
d) None of the Mentioned


4. Enhancement of differences between images is based on the principle of ______________.
a) Additivity
b) Homogeneity
c) Subtraction
d) None of the Mentioned


5. A commercial use of Image Subtraction is _____________.
a) Mask mode radiography
b) MRI scan
c) CT scan
d) None of the Mentioned


6. Region of Interest (ROI) operations is commonly called as _____________.
a) Shading correction
b) Masking
c) Dilation
d) None of the Mentioned


7. If every element of a set A is also an element of a set B, then A is said to be a _________ of set B.
a) Disjoint set
b) Union
c) Subset
d) Complement set


8. Consider two regions A and B composed of foreground pixels. The ___ of these two sets is the set of elements belonging to set A or set B or both.
a) OR
b) AND
c) NOT
d) XOR


9. Imaging systems having physical artefacts embedded in the imaging sensors produce a set of points called ___________.
a) Tie Points
b) Control Points
c) Reseau Marks
d) None of the Mentioned.


10. Image processing approaches operating directly on pixels of input image work directly in _____________.
a) Transform domain
b) Spatial domain
c) Inverse transformation
d) None of the Mentioned