Resources Contact Us Home
Watermarking method with print-scan compensation

Image Number 5 for United States Patent #7657750.

A digital watermark may be applied to digital image data to produce watermarked digital image data. A transformation may be applied to the watermarked digital image data to produce transformed watermarked digital image data. The transformation may approximate the inverse of a transformation that represents distortion caused by transmission through a print-scan channel.

  Recently Added Patents
Secure portable token and systems and methods for identification and authentication of the same
Phormium plant named `BLONDIE`
Multi-modal/multi-channel application tool architecture
Low-viscosity liquid crystal compound
Image information encoding method and encoder, and image information decoding method and decoder
Semiconductor device
Polypeptides for the in vitro assessment of the sensitising potential of a test compound
  Randomly Featured Patents
Apparatus for fluidizing and transferring powdered material
Audio component face
Texture mapping method and apparatus for computer implemented graphical image processing
Adjustable stretching exercise device
Rotating system critical speed whirl damper
System and method for network load balancing
Conduit support
Tube compressing roller die
Switching device drive circuit
Friction welding tool for thermoplastic straps or similar article