Image reduction apparatus

Details Image reduction apparatus Image reduction apparatus

1995-05-19

1997-04-15

Couso, Jose L.

Image analysis

Image transformation or preprocessing

Changing the image coordinates

382299, G06K 942

Patent

active

056218265

ABSTRACT:
An image reduction apparatus includes a smoothing unit for smoothing binary image data, a binarization unit for binarizing an output from the smoothing unit, a detection unit for detecting an attribute of the binary image data smoothed by the smoothing unit, a plurality of correction units corresponding to a plurality of attributes, and a selector for selecting one of the correction units in accordance with the attribute detected by the detection unit. An output from the binarization unit is corrected by the correction unit selected by the selector.

REFERENCES:
patent: 4750044 (1988-06-01), Nakajima
patent: 4827433 (1989-05-01), Kamon
patent: 5086487 (1992-02-01), Katayama et al.
patent: 5170442 (1992-12-01), Murai et al.
Patent Abstracts of Japan, vol. 11, No. 152 (JP-A-61-288571) May 16, 1987.
Hofmann et al., "Making Progressive Transmission Adaptive", IEEE Transactions on Communications, vol. 34, No. 8, pp. 806-813.

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