Add Sigi invisible watermarking engine (io.diker.sigi.v1) - #68
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Sigi is an invisible watermarking engine by Okeanos B.V., a C2PA Conforming Implementer with two conformant Generator Products (Artimis, Diker). Sigi embeds an imperceptible forensic watermark in pixel data for provenance recovery after metadata stripping.
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Adds the Sigi invisible watermarking engine to the soft binding algorithm list.
Algorithm details:
algio.diker.sigi.v1typewatermarkdecodedMediaTypesimagecontactinformationalUrlAbout Sigi:
Sigi is an invisible forensic watermarking engine developed by Okeanos B.V. It embeds an imperceptible signal in pixel data that survives compression, screenshots, cropping, social media re-encoding, and format conversion.
About Okeanos B.V.:
Okeanos B.V. is a C2PA Conforming Implementer with two conformant Generator Products:
Sigi ships as the watermarking layer inside Diker's provenance pipeline and is declared in C2PA manifests via the
c2pa.soft-bindingassertion.I am the director of Okeanos B.V.