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Stegenography is the act of adding a hidden message to an image or other media file. It is similar to encrypting a document, but instead of running it through a cypher, the document is broken up and stored in unused, or unnoticable, bits within the overall image.
Watermarking is similar, but has a completely different purpose. Placing a watermark in an image or other media file serves to identify the artist or author of the work. It isn't so much an attempt to hide a message as it is to tag a document for later identification. Watermarking is used to protect the copyright of the original owner, to make their claim stronger, should the image be used without permission by someone else.
What else can I help you with?
What are the different types of watermarking?
visible watermarking and invisible watermarking
Want to draw data flow diagram for your project watermarking?
give the data flow diagram for project watermarking
What are the DCT DWT watermarking techniques Explain it from its roots?
DWT has excellent frequency spread, spatial localization and multi-resolution characteristics. DCT offer compression while DWT offers scalability in watermarking. These techniques and properties are used in a combined DCT DWT watermarking technique.
Is watermarking related to information security on the Internet?
Yes.
How do you watermark an image in MATLAB?
A sigital Watermarking example in Matlab is in related links.
What is difference between as on and as at?
difference between as on and as at
What does watermarking a photo mean and why is it important?
Watermarking a photo involves adding a visible or invisible mark to the image to claim ownership or provide information about the creator. It is important because it helps protect the image from unauthorized use or theft by identifying the original source and discouraging others from using it without permission.
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