Image data processing system and method realizing fine image wit

Details Image data processing system and method realizing fine image wit Image data processing system and method realizing fine image wit

1994-06-24

1997-09-09

Vu, Kim

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358456, 358462, 382199, H04N 140

Patent

active

056662130

ABSTRACT:
A bit-map unit forms a bit map using given image data. A boundary recognizing unit recognizes characteristics of a boundary present between first type of pixels and second type of pixels constituting the bit map. A determining unit determines for each pixel whether correction is necessary so as to make the image produced from the given image data significantly finer, the determination using at least part of the boundary characteristics. A correction unit performs a correction on the image data for the pixel, the correction of which pixel has been determined to be necessary, the correction being performed in a manner determined depending on the relevant boundary characteristics. A data replicating unit replicates the given image data to be used in the correction to be performed by the correction unit. A timing producing unit produces timing in which the data replicating unit performs the replicating operation. A times-setting unit sets the number of times by which the data replicating unit performs the replicating operation. A numbering unit numbers the image data set created by the replication for each replication operation so as to identify the number of each image data set created by the replication.

REFERENCES:
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patent: 5005139 (1991-04-01), Tung
patent: 5140444 (1992-08-01), Klein et al.
patent: 5289570 (1994-02-01), Suzuki
patent: 5327260 (1994-07-01), Shimomae et al.
patent: 5467422 (1995-11-01), Itihara et al.

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