QuestionQ37

Information Security Concepts

Which steganography technique enables embedding a secret message in the transform space of a signal?

  • A Cover Generation Techniques
  • B Transform Domain Techniques
  • C Spread Spectrum Techniques
  • D Substitution Techniques
Explanation

Transform-domain techniques hide information by modifying coefficients after a signal is converted into a transform representation, such as DCT or wavelet space.

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