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Reversible data hiding in encrypted images using multiple Huffman coding based on optimal block allocation.

Liansheng SuiZhi PangYing ChengZhaolin XiaoAiling Tian
Published in: Multim. Tools Appl. (2024)
Keyphrases
  • image data
  • input image
  • reversible data hiding
  • secret data
  • data hiding
  • huffman coding
  • image blocks
  • data compression
  • pixel values
  • image processing
  • high quality
  • raw data
  • jpeg images
  • high capacity