Question 1

Question 2

Question 3

Question 1

Question 2

Question 3

Question 1: Gray levels and storage

Question 2: RGB image storage

Question 3: Bits needed for gray levels

Question 4: Subsampling ratio

Question 5: Pixel arithmetic with clipping

Question 6: Brightness transform

Question 7: Linear contrast stretching

Question 8: Binary thresholding

Question 9: Weighted image blending

Question 10: Image subtraction and absolute difference

Question 11: Normalized histogram

Question 12: Histogram equalization mapping

Question 13: New distribution after equalization

Question 14: Apply equalization mapping to an image

Question 15: 8-level histogram equalization

Question 16: 3x3 mean filter

Question 17: Weighted smoothing filter

Question 18: 1D moving average

Question 19: 1D weighted moving average

Question 20: Correlation with non-symmetric kernel

Question 21: Convolution with non-symmetric kernel

Question 22: Zero-padding boundary

Question 23: Median filter

Question 24: Alpha-trimmed mean filter

Question 25: Unsharp masking

Question 26: Filtering complexity

Question 27: Finite difference derivative

Question 28: Gradient magnitude and direction

Question 29: Thresholding gradient magnitude

Question 30: Canny double threshold and linking

Question 31: LoG zero-crossings

Question 32: Precision and recall