Digital Image Processing Set 2
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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