Digital Watermarking Applications and Advantages

Digital watermarking is defined as the imperceptibly altering a work in order to embed information about that work. In the recent years copyright protection of digital content became a serious problem due to rapid development in technology. Watermarking is one of the alternatives to copyright-protection problem.

Digital watermarking can be classified as visible and invisible. The visible watermarks are viewable to the normal eye such as bills, company logos and television channel logos etc. This type of watermarks is easily viewable without any mathematical calculation but these embedded watermarks can be destroyed easily. In the case of invisible watermarks, the locations in which the watermark is embedded are secret, only the authorized persons extract the watermark. Some mathematical calculations are required to retrieve the watermark. This kind of watermarks is not viewable by an ordinary eye. Invisible watermarks are more secure and robust than visible watermarks.

The main characteristics of Digital watermark are:
Robustness: The watermark should be able to withstand after normal signal processing operations such as image cropping, transformation, compression etc.
Imperceptibility: The watermarked image should look like same as the original image to the normal eye. The viewer cannot detect that watermark is embedded in it.
Security: An unauthorized person cannot detect, retrieve or modify the embedded watermark.

Depending on the ability of the watermark to withstand normal signal processing operations, digital watermarking can be categorized as robust, fragile and semi-fragile watermarking. Robust watermarks are detectable even after some image processing operations has been performed on the watermarked image such as image scaling, bending, cropping, and so on. Robust watermarks are mainly used for copyright protection. Fragile watermarks became invalid even if a slight modification is done to the watermarked image. Fragile watermarks are mainly used for authentication purpose. Semi-fragile watermarks allow some acceptable distortion to the watermarked image. Beyond this acceptance level if any modification is done to the watermarked image, the watermark will not be detected.

Books: Digital Watermarking and Steganography: Fundamentals and Techniques by Frank Y.
Web resources: Digital Watermarking
Power Point Presentation (PPT): Digital Watermarking

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  1. madhuri

    I am not able to download the ppt. Can u please send me the ppt and report to my mail id.

    1. kiran nayak

      sir plz send me the advantages of digital water marking

  2. pranav modi

    hello sir please send me the ppt and report of this topic sir pls!!!!!!!!!!!!!! i’m not able to download it!!!!!

  3. Joseph

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    Remember to pre-heat your oven for at least 1 hour.
    You should have a persistence of cooling of the pizza stone.

  4. pankaj

    i am not satisfied your services because i could not downloaded the ppt of digital watermarking, please send report & ppt on digital watermarking through mail

  5. pradyumna ku pradhan

    advantages and disadvantages plz mail it to my id

  6. pradyumna ku pradhan

    plz send me advantages and disadvantages of digital watermarking.

  7. sumera

    sir m the student of mcs 3rd i want vast information about my project watermarking plz snd me

  8. arpita jain

    sir i m a student of btech final yr i want to give seminar on digital watermarking so pls sir will u send me some tips

  9. swathi

    hi………sir! i’m mca 2nd year student..i want to give seminar on this topic… can i download this topic related ppts

  10. Trenita.

    advantages and disadvantages plz mail it to my id

  11. sweta

    hello! I want a broad information about watermarking. plz help me out

  12. sushma

    will any one say what is meant by water marking and its advantages

  13. teena

    hai im mca final year student im from osmania university any one suggest any intresting topic for seminar… with ppt please… thanking you

  14. Kushagra

    Plz snd ppt of this topic on my email id

  15. v.thirumalaivasan

    required of advantage and applications for digitalwatermarking

    1. uwalaka sarah

      explanation on application and advantages of digital watermarking

  16. Chaithra

    hello friends,,

    Am 1 st year Mtech student CSE branch,,,can anyone send me the ppt’s and document report regarding “water marking” or related to the “cloud computing”,,,

    1. vinod

      please send more information what u want

  17. sahadev


  18. k.sudheer

    hello sir. iam sudheer dng mca.sir i want to give seminar on digitial watermarking. can u tell me the tips

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