Question: Explain the effects of histogram stretch and histogram equalization, and distinguish between them. How do you manually perform histogram equalization for a given digital image?

  • Explain the effects of histogram stretch and histogram equalization, and distinguish between them.
  • How do you manually perform histogram equalization for a given digital image?
  • Explain the relationship between dynamic range and contrast.
  • What is a local contrast?
  • What is entropy in digital images?
  • How do you calculate the entropy of a digital image?
  • How do you calculate the compression ratio of an image file from the entropy of the image.
  • What is lossless image compression?
  • What is lossy image compression?

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