Some Pictures - "Towards a Robust Digital Watermark",2nd Asian Conference on Computer Vision, Singapore, 1995

A 5-bit shift register that will produce an M-sequence of length 25-1 = 31 bits

 

Encoding the Watermark.

 

Extracting the Watermark.

 

Decoding the Watermark.

 

Cross-correlation with Watermarked Image (Note the peaks)

 


Last updated 9 July 2001
Maintained and authorised by Ron van Schyndel