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Using quad smoothness to efficiently control capacity–distortion of reversible data hiding

Using quad smoothness to efficiently control capacity–distortion of reversible data hiding. Chi-Nan Lin, Daniel J. Buehrer , Chin-Chen Chang, Tzu- Chuen Lu The Journal of Systems and Software 日期 :3.28 報告 者 : 許睿中. Outline. Related works The proposed scheme Experimental results

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Using quad smoothness to efficiently control capacity–distortion of reversible data hiding

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  1. Using quad smoothness to efficiently control capacity–distortion of reversible data hiding Chi-Nan Lin, Daniel J. Buehrer, Chin-Chen Chang, Tzu-ChuenLu The Journal of Systems and Software 日期:3.28 報告者:許睿中

  2. Outline • Related works • The proposed scheme • Experimental results • Conclusion

  3. Related works-Tian’s method Embedding 198 209 201 203 206 h’=11 h=5

  4. Related works-Tian’s method Extraction

  5. Related works-Alattar’s method Embedding cover pixels stego pixels

  6. Related works-Alattar’s method Extraction recover pixels stego pixels

  7. The proposed scheme

  8. The proposed scheme

  9. Experimental results

  10. Experimental results

  11. Experimental results

  12. Experimental results Embedding 100000 bits with Alattar’s versus the propose method.

  13. Experimental results Stego-baboon512.gif PSNR=21.2 payload=179918 Stego-lena512.gif PSNR=31.8 payload=196299

  14. Conclusion • This proposed methods enhances Alattar’s work in term of effectively controlling the capacity versus distortion behavior.

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