Hadamard transform coding/decoding method and apparatus for imag
Hadamard transformer using charge transfer devices
Half tone encoder/decoder
Half tone image processing apparatus
Half tone image processing circuit with improved scale reduction
Half tone reproducing process in facsimile
Half-tone conversion mask for digital images
Half-tone image generator using white noise source
Half-tone image processing system
Half-tone image recording system
Half-tone image reproduction method and apparatus using partial
Half-tone picture recording device
Half-tone processing method
Half-tone reproduction method employing overlapping scan lines
Halftone correction system
Halftone correction systems
Halftone detection and delineation
Halftone digital image processing device
Halftone dot arrangement in gray level halftone printing
Halftone dot generator using grained screen patterns