Controlling operation of a device using a re-configurable watermark detector
GB Rhoads, BL Davis, JS Carr - US Patent 6,442,285, 2002 - Google Patents
The invention relates to methods, devices and Systems for reconfiguring a watermark
detector. In many applications, it is useful to be able to change the operation of a watermark …
detector. In many applications, it is useful to be able to change the operation of a watermark …
Large capacity steganography
E Kawaguchi, RO Eason - US Patent 6,473,516, 2002 - Google Patents
The present invention is a technique for hiding con? den tial information in a color image
that is not based on a programming technique, but rather on a property of the human vision …
that is not based on a programming technique, but rather on a property of the human vision …
Watermark applied to one-dimensional data
K Matsui, M Iwakiri - US Patent 6,425,082, 2002 - Google Patents
In the process of embedding watermark information in one-dimensional Source data, first
Spread one-dimensional data X (t) is generated by Subjecting one-dimensional Source data …
Spread one-dimensional data X (t) is generated by Subjecting one-dimensional Source data …
Method of integrating a watermark into a compressed image
T Acharya, K Raj - US Patent 6,449,380, 2002 - Google Patents
In accordance with one embodiment of the invention, a method is provided for integrating at
least a portion of a watermark into at least a portion of a compressed image. The method of …
least a portion of a watermark into at least a portion of a compressed image. The method of …