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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 日日 :3.28 日日日 : 日日日

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

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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 - PowerPoint PPT Presentation

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Page 1: 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 LuThe Journal of Systems and Software日期 :3.28報告者 :許睿中

Page 2: Using quad smoothness to efficiently control capacity–distortion of  reversible data  hiding

OutlineRelated worksThe proposed schemeExperimental results Conclusion

Page 3: Using quad smoothness to efficiently control capacity–distortion of  reversible data  hiding

Related works-Tian’s method

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Embedding

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Page 4: Using quad smoothness to efficiently control capacity–distortion of  reversible data  hiding

Related works-Tian’s method

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Page 5: Using quad smoothness to efficiently control capacity–distortion of  reversible data  hiding

Related works-Alattar’s method

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Page 6: Using quad smoothness to efficiently control capacity–distortion of  reversible data  hiding

Related works-Alattar’s method

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Extraction

recover pixels

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Page 7: Using quad smoothness to efficiently control capacity–distortion of  reversible data  hiding

The proposed scheme

Page 8: Using quad smoothness to efficiently control capacity–distortion of  reversible data  hiding

a1 a2 b1 b2a3 a4 b3 b4c1 c2 d1 d2c3 c4 d3 d4

The proposed scheme

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Page 9: Using quad smoothness to efficiently control capacity–distortion of  reversible data  hiding

Experimental results

Page 10: Using quad smoothness to efficiently control capacity–distortion of  reversible data  hiding

Experimental results

Page 11: Using quad smoothness to efficiently control capacity–distortion of  reversible data  hiding

Experimental results

Page 12: Using quad smoothness to efficiently control capacity–distortion of  reversible data  hiding

Experimental results

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

Page 13: Using quad smoothness to efficiently control capacity–distortion of  reversible data  hiding

Experimental results

Stego-lena512.gifPSNR=31.8payload=196299

Stego-baboon512.gifPSNR=21.2payload=179918

Page 14: Using quad smoothness to efficiently control capacity–distortion of  reversible data  hiding

Conclusion

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