Patent classifications
H
ELECTRICITY
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H04
ELECTRIC COMMUNICATION TECHNIQUE
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H04N
PICTORIAL COMMUNICATION, e.g. TELEVISION
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1/00
Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
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H04N1/405
Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels
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H04N1/4051
producing a dispersed dots halftone pattern, the dots having substantially the same size
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H04N1/4052
by error diffusion, i.e. transferring the binarising error to neighbouring dot decisions
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