Invisible watermark
Definition
A signal embedded in an image or audio file that is imperceptible to a human viewer but detectable by an algorithm. In AI-generated content, proposals exist to embed watermarks during model inference to mark all output as synthetic.
Related terms
- C2PA
- Coalition for Content Provenance and Authenticity. An open technical standard for attaching cryptographically signed provenance manifests to media files, recording the creation...
- Content Credentials
- Adobe's brand name for C2PA-compliant provenance manifests. A Content Credentials badge on an image indicates that a signed, auditable creation history is...
- GAN fingerprint
- A model-specific periodic pattern embedded in GAN-generated images, detectable by averaging outputs and subtracting a reference. Analogous to photo-response non-uniformity (PRNU) in...
- Out-of-distribution (OOD) failure
- The drop in a classifier's accuracy when test samples come from a different statistical distribution than the training data. AI-generated image detectors...
- PRNU
- Photo-Response Non-Uniformity. The per-pixel variation in light sensitivity across a camera sensor, which produces a consistent, device-specific noise pattern in every photograph...
Explained in
- AI-Generated Image Detection and ProvenanceA signal embedded in an image or audio file that is imperceptible to a human viewer but detectable by an algorithm. In AI-generated content, proposals exist to...