CCS338- COMPUTER VISION QUIZ

Which of the following transformations preserves angles and distances?

• a) Scaling

• b) Translation

• c) Rigid transformation

• d) Scaled Rotation

What is the purpose of homogeneous coordinates in geometric transformations?

• a) To handle rotations only

• b) To simplify matrix calculations

• c) To represent in higher dimensions

• d) To eliminate the need for coordinate systems

Which of these is a point operation in image processing?

• a) Edge detection

• b) Convolution

• c) Histogram equalization

• d) Fourier transform

Gamma correction is used to:

• a) Enhance edge details

• b) Adjust brightness using a non-linear curve

• c) Blur an image

• d) Transform an image to the frequency domain

What is the kernel size in a linear filter?

• a) The number of channels in the image

• b) The size of the filter matrix applied to the image

• c) The resolution of the image

• d) The frequency of the filter

Which of the following is not a linear filter?

• a) Gaussian filter

• b) Median filter

• c) Box filter

• d) Sobel filter

Which operation replaces a pixel value with the median of its neighborhood?

• a) Mean filter

• b) Median filter

• c) Sobel operator

• d) Laplacian filter