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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 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
Outline • Related works • The proposed scheme • Experimental results • Conclusion
Related works-Tian’s method Embedding 198 209 201 203 206 h’=11 h=5
Related works-Tian’s method Extraction
Related works-Alattar’s method Embedding cover pixels stego pixels
Related works-Alattar’s method Extraction recover pixels stego pixels
Experimental results Embedding 100000 bits with Alattar’s versus the propose method.
Experimental results Stego-baboon512.gif PSNR=21.2 payload=179918 Stego-lena512.gif PSNR=31.8 payload=196299
Conclusion • This proposed methods enhances Alattar’s work in term of effectively controlling the capacity versus distortion behavior.