PROCESS FOR PROVIDING DIGITAL HALFTONE IMAGES WITH RANDOM ERROR DIFFUSION

A digital halftoning method and apparatus with error diffusion reduces visibly discernible artifacts. In the error diffusion method and apparatus, a range function provides random factors which are used to spread errors to neighboring pixels.

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Bibliographic Details
Main Authors BOWERS, HARRY, BOWERS, JOHN S
Format Patent
LanguageEnglish
French
Published 17.04.1991
Edition5
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
PICTORIAL COMMUNICATION, e.g. TELEVISION
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Summary:A digital halftoning method and apparatus with error diffusion reduces visibly discernible artifacts. In the error diffusion method and apparatus, a range function provides random factors which are used to spread errors to neighboring pixels.
Bibliography:Application Number: CA19902027790