Davit Asatryan, Armenia, Protecting and Recovery of Tampered Image by Using Self-Embedding ...

24 Pages·2015·1.22 MB·English

Institute for Informatics and Automation Problems of NAS RA
Research Center for Critical Technologies of
Russian-Armenian (Slavonic) University
Yerevan, Armenia

PROTECTING AND RECOVERY OF TAMPERED IMAGE
BY USING
SELF-EMBEDDING PROCEDURES

D.G. ASATRYAN, N.S. ASATRYAN

Meeting Security Challenges Through Data Analytics and Decision Support
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NATO Advanced Research Workshop, Aghveran, Armenia, 1-5 June 2015
Standard process of embedding and extracting the
digital watermark
comparison
watermark
with the
original
watermark
Original attacked
embedding Watermarked extracting Extracted
digital watermatrked
watermark
object object
object
attack
Embedding Extraction
Meeting Security Challenges Through Data Analytics and Decision Support
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NATO Advanced Research Workshop, Aghveran, Armenia, 1-5 June 2015
Watermarking Procedure
Image to be protected Example of watermark
Meeting Security Challenges Through Data Analytics and Decision Support 3
NATO Advanced Research Workshop, Aghveran, Armenia, 1-5 June 2015
Watermark Embedding into the container
Meeting Security Challenges Through Data Analytics and Decision Support 4
NATO Advanced Research Workshop, Aghveran, Armenia, 1-5 June 2015
Watermarked image
Original Watermark Original+Watermark
Meeting Security Challenges Through Data Analytics and Decision Support 5
NATO Advanced Research Workshop, Aghveran, Armenia, 1-5 June 2015
Compression attack
Original Compressed by JPEG (50%)
Meeting Security Challenges Through Data Analytics and Decision Support 6
NATO Advanced Research Workshop, Aghveran, Armenia, 1-5 June 2015
Extraction of the watermark from attacked image
Embedded watermark Extracted watermark
Meeting Security Challenges Through Data Analytics and Decision Support 7
NATO Advanced Research Workshop, Aghveran, Armenia, 1-5 June 2015
Image with visible watermark
Examples of image tampering Damaged image
Meeting Security Challenges Through Data Analytics and Decision Support
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NATO Advanced Research Workshop, Aghveran, Armenia, 1-5 June 2015
Meeting Security Challenges Through Data Analytics and Decision Support
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NATO Advanced Research Workshop, Aghveran, Armenia, 1-5 June 2015
Examples of image tampering
Meeting Security Challenges Through Data Analytics and Decision Support
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NATO Advanced Research Workshop, Aghveran, Armenia, 1-5 June 2015