Piecewise-Linear Transformation Functions MCQ

Test your knowledge with important Piecewise-Linear Transformation Functions MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Piecewise-Linear Transformation Functions MCQs at Bissoy

• Which of the following helps to obtain the number of bits to be used to quantize each pixel.
  ক

  Gray-level slicing

  খ

  Contrast stretching

  গ

  Contouring

  ঘ

  Bit-plane slicing
• In bit-plane slicing if an image is represented by 8 bits and is composed of eight 1-bit plane, with plane 0 showing least significant bit and plane 7 showing most significant bit. Then, which plane(s) contain the majority of visually significant data.
  ক

  Plane 4, 5, 6, 7

  খ

  Plane 0, 1, 2, 3

  গ

  Plane 0

  ঘ

  Plane 2, 3, 4, 5
• Specific bit contribution in the image highlighting is the basic idea of __________
  ক

  Contrast stretching

  খ

  Bit –plane slicing

  গ

  Thresholding

  ঘ

  Gray-level slicing
• Which of the following transform produces a binary image after processing?
  ক

  Contrast stretching

  খ

  Gray-level slicing

  গ

  All of the mentioned

  ঘ

  None of the mentioned
• What is/are the approach(s) of the gray-level slicing?
  ক

  To give all gray level of a specific range high value and a low value to all other gray levels

  খ

  To brighten the pixels gray-value of interest and preserve the background

  গ

  All of the mentioned

  ঘ

  None of the mentioned
• A specific range of gray-levels highlighting is the basic idea of __________
  ক

  Contrast stretching

  খ

  Bit –plane slicing

  গ

  Thresholding

  ঘ

  Gray-level slicing
• A contrast stretching result been obtained by setting (r1, s1) = (rmin, 0) and (r2, s2) = (rmax, L – 1), where, r and s are gray-values of image before and after processing respectively, L is the max gray value allowed and rmax and rmin are maximum and minimum gray-values in image respectively. What should we term the transformation function if r1 = r2 = m, some mean gray-value.
  ক

  Linear function

  খ

  Thresholding function

  গ

  Intermediate function

  ঘ

  None of the mentioned
• What condition prevents the intensity artifacts to be created while processing with contrast stretching, if r and s are gray-values of image before and after processing respectively?
  ক

  r1 = s1 and r2 = s2

  খ

  r1 = r2, s1 = 0 and s2 = L – 1, L is the max gray value allowed

  গ

  r1 = 1 and r2 = 0

  ঘ

  r1 ≤ r2 and s1 ≤ s2
• When is the contrast stretching transformation a thresholding function, for r and s as gray-value of image before and after processing respectively?
  ক

  r1 = s1 and r2 = s2

  খ

  r1 = r2, s1 = 0 and s2 = L – 1, L is the max gray value allowed

  গ

  r1 = 1 and r2 = 0

  ঘ

  None of the mentioned
• When is the contrast stretching transformation a linear function, for r and s as gray-value of image before and after processing respectively?
  ক

  r1 = s1 and r2 = s2

  খ

  r1 = r2, s1 = 0 and s2 = L – 1, L is the max gray value allowed

  গ

  r1 = 1 and r2 = 0

  ঘ

  None of the mentioned
• Which gray-level transformation increase the dynamic range of gray-level in the image?
  ক

  Power-law transformations

  খ

  Negative transformations

  গ

  Contrast stretching

  ঘ

  None of the mentioned