Image processing apparatus with contour extraction

Details Image processing apparatus with contour extraction Image processing apparatus with contour extraction

1990-09-28

1991-12-17

Razavi, Michael

Image analysis

Histogram processing

For setting a threshold

382 50, 382 54, G06K 948

Patent

active

050739590

ABSTRACT:
An image processing apparatus includes in one version an input device for inputting digital image data, a contour process circuit for emphasizing contour data in the digital image data form the input device, a circuit for smoothing the digital image data from the input device, and an output device for selectively outputting the digital image data input from the input device and subjected to different image processes in different designated areas. Densities of the contour and non-contour data can preferably be controlled independently of each other.

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patent: 4589034 (1986-05-01), Yokomizo
patent: 4610026 (1985-09-01), Tabata et al.
patent: 4627096 (1986-12-01), Grattoni et al.
patent: 4691365 (1987-09-01), Nagashima
patent: 4691366 (1987-09-01), Fenster et al.
patent: 4707745 (1987-11-01), Sakano
patent: 4709395 (1987-11-01), Fischer et al.
patent: 4748677 (1988-05-01), Yokomizo
patent: 4769849 (1988-09-01), Alsing

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