watermarking
Watermarking is a technique that embeds detectable signals in AI-generated content to indicate its origin.
Watermarking embeds signals in content such as text, images, audio and video that are hard for people to notice but can be detected by tools, making it possible to check which AI model or service produced the content.
It is discussed as a way to distinguish AI-generated material from human-made content and to reduce misinformation and misuse. It is sometimes combined with provenance methods that attach a file's creation history as metadata. More generally, the term also refers to marking paper or images to show ownership.
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