Image-data processing system

Details Image-data processing system Image-data processing system

1995-06-29

1997-06-10

Coles, Sr., Edward L.

Image analysis

Pattern recognition

Feature extraction

382199, 382266, 358447, 358453, 358459, 395109, G06K 946

Patent

active

056384637

ABSTRACT:
A bit-map unit forms a bit map using given image data. A boundary recognizing unit recognizes characteristics of a boundary present between a first type of pixels and a second type of pixels constituting the bit map. A determining unit determines for each pixel whether a correction is necessary so as to make an image produced from the given image data significantly finer. The determination uses at least part of the boundary characteristics. A correction unit performs a correction on image data for each pixel needing the correction. The correction is performed in a manner determined depending on the relevant boundary characteristics. A data replicating unit replicates the given image data to produce copies of the image data in addition to an original of the given image data, the correction unit performing the correction in different manners between the original and copies of the given image data. An image-region setting unit sets a plurality of image regions in the bit map, the correction unit performing the correction in different manners between different image regions of the plurality of image regions.

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patent: 5229867 (1993-07-01), Ershov et al.
patent: 5270827 (1993-12-01), Kobayashi et al.
patent: 5270836 (1993-12-01), Kang
patent: 5327260 (1994-07-01), Shimomae et al.
patent: 5440407 (1995-08-01), Overton

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