Copyright Protection of Digital Content and Technologies. (9). Digital Watermarking Techniques.
نویسندگان
چکیده
منابع مشابه
Copyright Protection using Digital Watermarking
One way for copyright protection is digital watermarking. Digital watermarking is the process of embedding information regarding the authenticity or the identity of the owners into a image or any piece of data. Digital watermarking has been classified into two types :Visible and Invisible Watermarking. In visible digital watermarking, the embedded information is visible. Typically, the informat...
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In this paper 1 we present a new approach for the secure and robust copyright protection of digital images. We describe a system for generating digital watermarks and for trading watermarked images. The system is based on a new watermarking technique, which is robust against image transformation techniques such as compression, rotation, translation, scaling and cropping. It uses modulation of t...
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In this paper, a watermark hiding scheme for copyright protection of sensitive images is proposed. The concept of Visual Cryptography is used, so that the original host image is not altered. The proposed scheme aims at improving the security of the related schemes. The scheme also reduces the size of codebook and size of shares, to be used in watermark hiding process. This is achieved by adapti...
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When dealing with copyright protection for audio, watermarking can be considered to label the digital medium, by hiding information into the data. To make the watermark imperceptible and robust against some signal processing, we propose in this paper a new method based on frequential substitution, for which the bit error rate is lower than those obtained with existing methods. For such a purpos...
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Without a doubt, the Internet has revolutionized the way we access information and share our ideas via tools such as Facebook, twitter, email, forums, blogs and instant messaging. The Internet is also an excellent distribution system for digital media. It is inexpensive, eliminates warehousing and delivery, and is almost instantaneous. Together with the advances of compression techniques such a...
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ژورنال
عنوان ژورنال: The Journal of the Institute of Image Information and Television Engineers
سال: 1999
ISSN: 1881-6908,1342-6907
DOI: 10.3169/itej.53.1213