Conventional approaches In analog world: signature, steel seal, embossed portrait, copyright label Copyright protection Most prominent application Embed information about the owner to prevent others from claiming copyright Require very high level of robustness 2. Broadcast Monitoring Embed a watermark in the cover and use automatic monitoring to verify whether cover was broadcasted as agreed 23 April April Digital Watermarking: Latha Parameswaran.
Digital Watermarking: Principles and Practices
Additive and multiplicative noise gaussian, uniform, etc. Filtering High pass, low pass, linear, nonlinear, etc. Geometric transforms RST Data reduction cropping, clipping, etc. Is the interest warranted? What are the existing and potential commercial applications of this technology? What scientific progress has been made in the past 10 years? What are the most exciting areas for research?
Where might the next 10 years take us? Current business interests Security Current watermark solutions are of weak sucurity, but suitable for many business models Device control No security threat or requirements Linking traditional media to the Web is receiving increased attention. Some advances are in their infancy, and much work remains to be done.
Some results are imminent, making an area exciting. Cox University College London Verified email at ieee. Bowon Lee Inha University Verified email at inha.
Articles Cited by Co-authors. IEEE Transactions on information forensics and security 2 3 , , Digital signal processing for multimedia systems, , Signal Processing: Image Communication 19 4 , , Image Processing, ICIP Articles 1—20 Show more.quimalrocknew.ga
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