Optical Watermarking (IMAGE)

Optica

Optical Watermarking

Caption

A new optical watermarking system uses single-shot ptychography encoding to create the watermark (Part 1) that is then embedded into a host image (Part 2).

Credit

Yishi Shi, University of Chinese Academy of Sciences

Usage Restrictions

None

License

Licensed content

Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.