# Digimarc Corp — Patents explained on PatentBrief

Digimarc Corp has 1 landmark patent explained in plain English on PatentBrief.

- [How Digital Images Hide Invisible Markers to Track Rotation and Scaling](https://patentbrief.org/patent/us/6567533/playstation-2-emotion-engine) — granted 2003
  A method for hiding invisible patterns in digital images that allow computers to detect if an image has been rotated or resized, even if the original version is missing.

**Full profile:** https://patentbrief.org/company/digimarc-corp

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_Source: PatentBrief — https://patentbrief.org. Plain-English explanations of US patents._