Halftone dot image recording apparatus and method employing high

Halftone dot-generator and generating method

Halftone image estimation methods for dither images

Halftone image generating apparatus

Halftone image gradation data converted to bit-train data with d

Halftone image ion printer

Halftone image processing method

Halftone image processing system for setting density threshold v

Halftone image recording apparatus

Halftone image recording apparatus combining error scattering an

Halftone image recording method and apparatus

Halftone image recording method and apparatus therefor

Halftone image transmission method

Halftone images using special filters

Halftone imaging method and apparatus utilizing pyramidol error

Halftone imaging system and method

Halftone implementation apparatus

Halftone patterns for trusted printing

Halftone picture processing apparatus

Halftone processing method for digital facsmile apparatus