Relationships between Pixels MCQ

1. In 4-neighbours of a pixel p, how far are each of the neighbours located from p?
a) one pixel apart
b) four pixels apart
c) alternating pixels
d) None of the Mentioned


2. If S is a subset of pixels, pixels p and q are said to be ____________ if there exists a path between them consisting of pixels entirely in S.
a) continuous
b) ambiguous
c) connected
d) None of the Mentioned


3. If R is a subset of pixels, we call R a _________ of the image if R is a connected set.
a) Disjoint
b) Region
c) Closed
d) Adjacent


4. Two regions are said to be ___________ if their union forms a connected set.
a) Adjacent
b) Disjoint
c) Closed
d) None of the Mentioned


5. If an image contains K disjoint regions, what does the union of all the regions represent?
a) Background
b) Foreground
c) Outer Border
d) Inner Border


6. For a region R, the set of points that are adjacent to the complement of R is called as ________
a) Boundary
b) Border
c) Contour
d) All of the Mentioned


7. The distance between pixels p and q, the pixels have a distance less than or equal to some value of radius r centred at (x,y) is called :
a) Euclidean distance
b) City-Block distance
c) Chessboard distance
d) None of the Mentioned


8. The distance between pixels p and q, the pixels have a distance less than or equal to some value of radius r, form a diamond centred at (x,y) is called :
a) Euclidean distance
b) Chessboard distance
c) City-Block distance
d) None of the Mentioned


9. The distance between pixels p and q, the pixels have a distance less than or equal to some value of radius r, form a square centred at (x,y) is called :
a) Euclidean distance
b) Chessboard distance
c) City-Block distance
d) None of the Mentioned


10. Which of the following is NOT is not a type of Adjacency?
a) 4-Adjacency
b) 8-Adjacency
c) m-Adjacency
d) None of the Mentioned