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Prof. Dr. Anderson [email protected]
http://www.ic.unicamp.br/~rocha
Reasoning for Complex Data (RECOD) Lab.Institute of Computing, Unicamp
Av. Albert Einstein, 1251 - Cidade Universitria
CEP 13083-970 Campinas/SP - Brasil
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Organizao
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Avisos
! Aulas
Slides em Ingls Apresentados previamente no IEEE CVPR
Workshop on Vision of the Unseen(WVU),2008, Anchorage, Alaska
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Organizao
! Mascaramento de Informaes (InformationHiding)
! Esteganografia & Esteganlise (Steganography &
Steganalysis)
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Information Hiding:types and applications
Institute of Computing
University of Campinas (Unicamp)CEP 13084-851, Campinas, SP - Brazil
Anderson [email protected]
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! Introduction
! Terminology
! Historical remarks
! Social Impacts
! Scientific and commercial applications
Summary
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Introduction
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Introduction
! What is Information Hiding?
! Common use:
Captioning
Time-stamping & Tamper-proofing
Watermarking
Communications
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Terminology
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Terminology
! Information Hiding
! Cover object
! Stego object
! Stego key
! Attack
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Terminology
Capacity
Security Robustness
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Terminology
A data hiding example
Message to be hidden
The cover image
The produce stego image
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TerminologyInformation Hiding
Covert channels Steganography Anonymity Copyright marking
Linguistic Technical Robust Fragile
Fingerprinting Watermarking
Perceptible Imperceptible
Information Hiding hierarchy
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HistoricalRemarks
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Historical remarks
! Harpagus and the hare
! Histaieus and his slave
! Demeratus and thewax tablets
! Drawings concealinginformation
Mona Lisa by Da Vinci
Creation of Adam by Michelangelo
Expulsion of Heliodorus from
the Temple by Raphael
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Historical remarks
! Sympathetic inks
! Micro-dots technology
! Null-cyphers
! Hypteronomachia Poliphili
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Applications
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Advanced data structures
Scientific and commercial applications
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Scientific and commercial applications
Medical Imagery
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Scientific and commercial applications
Strong watermarks
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Scientific and commercial applications
Military agencies
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Scientific and commercial applications
Computer Forensics
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Scientific and commercial applications
Document tracking and authentication
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Scientific and commercial applications
People communication
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Scientific and commercial applications
Transit radar systems
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Obrigado!
