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Digital watermarking is the process of hiding digital information in a carrier signal; the hidden information should, [2] but does not need to, contain a relation to the carrier signal. Digital watermarks may be used to verify the authenticity or integrity of the carrier signal or to show the identity of its owners.
Digital watermarking is distinctly different from data hashing. It is the process of altering the original data file, allowing for the subsequent recovery of embedded auxiliary data referred to as a watermark .
Text watermarking is a technique for embedding hidden information within textual content to verify its authenticity, origin, or ownership. [1] With the rise of generative AI systems using large language models (LLM), there has been significant development focused on watermarking AI-generated text . [ 2 ]
A number of authentication systems are known by the general term of "watermarking" methods, since they rely on embedding authentication information into another information bearer, by analogy with the watermarking of paper.
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Many people have suggested that “digital watermarking” will help turn off the spigot on the firehose of falsehood AI generates. But another story from this week shows why that is unlikely to ...
The word is also used for digital practices that share similarities with physical watermarks. In one case, overprint on computer-printed output may be used to identify output from an unlicensed trial version of a program. In another instance, identifying codes can be encoded as a digital watermark for a music, video, picture, or other file.
Digimarc Corporation is a provider of enterprise software and services. The company's software, which includes digital identifiers (i.e., serialized QR codes and digital watermarks), is designed to address counterfeiting, product authenticity, recycling accuracy, and supply chain traceability.