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A High Capacity Distortion-free Data Hiding Algorithm for Palette Image

A High Capacity Distortion-free Data Hiding Algorithm for Palette Image. Circuits and Systems, 2003. ISCAS May ’ 03. IEEE CNF Authors: Liu Hongmei Zhang Zhefeng Huang Jiwu Huang Xialing Yun. Q. Shi Presented by Chia-Ming Chang. Outline. Characteristics File Format

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A High Capacity Distortion-free Data Hiding Algorithm for Palette Image

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  1. A High Capacity Distortion-free DataHiding Algorithm for Palette Image Circuits and Systems, 2003. ISCAS May ’03. IEEE CNF Authors: Liu Hongmei Zhang Zhefeng Huang Jiwu Huang Xialing Yun. Q. Shi Presented by Chia-Ming Chang

  2. Outline • Characteristics • File Format • Conventional File Format • A Novel File Format • Data Hiding Process • Hiding High Capacity Data • Capacity Prediction • Experimental Results • Conclusion

  3. Characteristics Advantages: • Distortion-free • High capacity • Capacity predictable • Low computation complexity Drawback: • No security

  4. Conventional File Format

  5. A Novel File Format

  6. Data Hiding Process

  7. Data Hiding Process

  8. Data Hiding Process

  9. Data Hiding Process

  10. Hiding High Capacity Data

  11. Hiding High Capacity Data

  12. Hiding High Capacity Data

  13. Capacity Prediction

  14. Experimental Results(Gray Images)

  15. Experimental Results(Medical Images)

  16. Conclusion • The property of security must be added in the proposed approach.

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