Image processing apparatus

Details Image processing apparatus Image processing apparatus

1996-06-17

2000-03-21

Au, Amelia

Image analysis

Pattern recognition

Feature extraction

358534, G06K 948

Patent

active

060411392

ABSTRACT:
An image processing apparatus for improving the performance of reproducing an image edge and obtaining a preferable image output including an edge judging unit for judging the presence or absence of both left and right edge pixels of an input image. The apparatus further includes plural halftone processing units and a selection unit for selecting one of the plural halftone processing units based on a result of the judgment result of the presence or absence of either of the left or right edge pixel.

REFERENCES:
patent: 4648120 (1987-03-01), Chittineni
patent: 4979129 (1990-12-01), Okubo et al.
patent: 5257116 (1993-10-01), Suzuki
patent: 5363210 (1994-11-01), Sasaki et al.
patent: 5410619 (1995-04-01), Fujisawa et al.
patent: 5572603 (1996-11-01), Koike
patent: 5719967 (1998-02-01), Selcine

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