Affiliation:
1. Chitkara University Institute of Engineering and Technology, Chitkara University, India
Abstract
This chapter introduces the benefits of watermark over cryptography and stenography. It provides the digital ownership on a file, but the noise is also attached with the file. Even if somebody copies the file and claims ownership, watermark still provides security. Watermarking is a robust and secured technique compared to other techniques. Implementation cost of this technique is optimized. This chapter also elucidates the attacks on watermarks and solutions to handle these attacks. Authors suggest watermarking will remain unchanged even if the file is compressed.
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