Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
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
Systems and methods for automated institutional processing of payments
Method and system for selecting a target with respect to a behavior in a population of communicating entities
Error scanning in flash memory
Digital broadcast receiver and method for processing caption thereof
Substituted indolo 4,3 FG quinolines useful for treating migraine
Load control device
Categorizing bit errors of solid-state, non-volatile memory
  Randomly Featured Patents
Polarizing system for electrical connectors
Microminiature power converter
Container
Quasi auto-zero circuit for sampling amplifiers
Cellulose sulfate esters
Method and device for coating printed circuit boards
System and method to maintain data processing system operation in degraded system cooling condition
Construction machine
Method of manufacturing a multi-degree-of-freedom manipulator
Bale carrying apparatus