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This set of Digital Image Processing (DIP) Multiple Choice Questions & Answers (MCQs) focuses on Digital Image Processing Set 2

Q1 | _____________ is the effect caused by the use of an insufficient number of intensity levels in smooth areas of a digital image.
  • gaussian smooth
  • contouring
  • false contouring
  • interpolation
Q2 | The process of using known data to estimate values at unknown locations is called
  • acquisition
  • interpolation
  • pixelation
  • none of the mentioned
Q3 | Which of the following is NOT an application of Image Multiplication?
  • shading correction
  • masking
  • pixelation
  • region of interest operations
Q4 | The procedure done on a digital image to alter the values of its individual pixels is
  • neighbourhood operations
  • image registration
  • geometric spacial transformation
  • single pixel operation
Q5 | In Geometric Spacial Transformation, points whose locations are known precisely in input and reference images.
  • tie points
  • r??seau points
  • known points
  • key-points
Q6 | A continuous image is digitised at _______ points.
  • random
  • vertex
  • contour
  • sampling
Q7 | The transition between continuous values of the image function and its digital equivalent is called ______________
  • quantisation
  • sampling
  • rasterisation
  • none of the mentioned
Q8 | Images quantised with insufficient brightness levels will lead to the occurrence of ____________
  • pixillation
  • blurring
  • false contours
  • none of the mentioned
Q9 | The smallest discernible change in intensity level is called ____________
  • intensity resolution
  • contour
  • saturation
  • contrast
Q10 | What is the tool used in tasks such as zooming, shrinking, rotating, etc.?
  • sampling
  • interpolation
  • filters
  • none of the mentioned
Q11 | The type of Interpolation where for each new location the intensity of the immediate pixel is assigned is ___________
  • bicubic interpolation
  • cubic interpolation
  • bilinear interpolation
  • nearest neighbour interpolation
Q12 | The type of Interpolation where the intensity of the FOUR neighbouring pixels is used to obtain intensity a new location is called ___________
  • cubic interpolation
  • nearest neighbour interpolation
  • bilinear interpolation
  • bicubic interpolation
Q13 | Dynamic range of imaging system is a ratio where the upper limit is determined by
  • saturation
  • noise
  • brightness
  • contrast
Q14 | For Dynamic range ratio the lower limit is determined by
  • saturation
  • brightness
  • noise
  • contrast
Q15 | Quantitatively, spatial resolution cannot be represented in which of the following ways
  • line pairs
  • pixels
  • dots
  • none of the mentioned
Q16 | In 4-neighbours of a pixel p, how far are each of the neighbours located from p?
  • one pixel apart
  • four pixels apart
  • alternating pixels
  • none of the mentioned
Q17 | 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.
  • continuous
  • ambiguous
  • connected
  • none of the mentioned
Q18 | If R is a subset of pixels, we call R a _________ of the image if R is a connected set.
  • disjoint
  • region
  • closed
  • adjacent
Q19 | Two regions are said to be ___________ if their union forms a connected set.
  • adjacent
  • disjoint
  • closed
  • none of the mentioned
Q20 | If an image contains K disjoint regions, what does the union of all the regions represent?
  • background
  • foreground
  • outer border
  • inner border
Q21 | For a region R, the set of points that are adjacent to the complement of R is called as ________
  • boundary
  • border
  • contour
  • all of the mentioned
Q22 | 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 :
  • euclidean distance
  • city-block distance
  • chessboard distance
  • none of the mentioned
Q23 | 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 :
  • euclidean distance
  • chessboard distance
  • city-block distance
  • none of the mentioned
Q24 | 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 :
  • euclidean distance
  • chessboard distance
  • city-block distance
  • none of the mentioned
Q25 | Which of the following is NOT is not a type of Adjacency?
  • 4-adjacency
  • 8-adjacency
  • m-adjacency
  • none of the mentioned