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Intro Watermarking

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erry wardhana
erry wardhana

The document discusses digital image watermarking techniques for copyright protection. It introduces watermarking requirements like perceptual transparency and robustness. Common watermarking techniques include spatial-domain methods that modify pixel values and transform-domain methods that modify frequency coefficients. Transform techniques can provide stronger, more robust watermarks but are also more computationally expensive. The document also outlines various attacks against watermarked images and applications of digital watermarking technology.

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Copyright Protection of Digital Image
Contents ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Introduction(1) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Introduction(2) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Original Image Embedding Extracting Extracted Watermark
Introduction(3) ,[object Object],[object Object]
Introduction(4) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Generic Watermarking Scheme ,[object Object],[object Object]
Watermarking History ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Purpose of Watermarking ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Watermarking Requirements(1) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Watermarking Requirements(2) ,[object Object],Invisibility limits the energy of watermark Robustness increase when watermark energy increases Invisibility and robustness require costly processes Cost rapidly increases with processes complexity
Types of Watermarks ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Digital Watermarking Properties ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Digital Watermarking techniques ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Image Watermarking techniques ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Levels of Robustness ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Attacks of Watermarked Image ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Removal attacks ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
De-synchronization attacks ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Protocol attacks ,[object Object],[object Object],[object Object]
Application Field of Watermarking(1) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Application Fields of Watermarking(2) ,[object Object],Document Watermarking Technology VOD Graphics Audio Image Video Text Internet Magazine Internet Newspaper Internet TV Internet Radio Education Material AOD Certificates e-Book
Companies ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Related Sites ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Image Watermarking Spatial-domain watermarking Transform-domain watermarking Perceptual-based watermarking Object-based watermarking Robust to JPEG compression Robust to geometric distortions
Spatial-domain Watermarking ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Least Significant Bit Modulation ,[object Object],[object Object],[object Object]
Transform-domain Watermarking(1) ,[object Object]
Transform-domain Watermarking(2) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Transform-domain Watermarking(3) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Transform Domain Watermarking(4) ,[object Object],[object Object],[object Object],[object Object]
Transform Domain Watermarking(5) ,[object Object],[object Object],[object Object]
Transform Domain Watermarking(6) ,[object Object],[object Object]
Transform Domain Watermarking(7) ,[object Object]
Summary ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

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Intro Watermarking

  • 1. Copyright Protection of Digital Image
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  • 25. Image Watermarking Spatial-domain watermarking Transform-domain watermarking Perceptual-based watermarking Object-based watermarking Robust to JPEG compression Robust to geometric distortions
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