System and method of trapping for correcting for separation...

System and method to derive a digital video control signal

System and method to eliminate clipping during color conversion

System and method to perturb error diffusion patterns

System and method to restrict copying, scanning and...

System and methods for color matching overprinted documents

System and methods for monitoring TV viewing system including a

System and process for non-perceptibly integrating sound data in

System for adaptively generating signal in alternate formats as

System for aligning document images when scanned in duplex mode

System for aligning document images when scanned in duplex mode

System for allocating images onto photosensitive materials utili

System for allowing two television programs simultaneously to us

System for authenticating hardcopy documents

System for authenticating hardcopy documents

System for automatic color balance correction

System for automatic correction of the color balance between the

System for automatically digitizing engineering drawings

System for automatically substituting television signals at a he

System for coding and/or decoding color television signal includ