Digital image processing apparatus

Details Digital image processing apparatus Digital image processing apparatus

1989-08-25

1992-01-07

Ng, Jin F.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 80, H04N 146

Patent

active

050796240

ABSTRACT:
A digital image processing apparatus which receives color-separation signals of a picture represented in terms of gradation and converts the color-separation signals into binary signals of on and off, comprises a toner signal conversion and adjustment means for adjusting the density of a plurality of the color-separation signals to produce a plurality of gradation toner signals representing a density of or an amount of toner of process colors, producing india ink, and extracting gradation toner signals of development process color; a process toner signal processing means for applying processes for Moire prevention and edge emphasis to the gradiation toner signals to convert into binary toner signal of on and off; a region picture control means for producing control information for each of a plurality of regions to control the toner signals conversion and adjustment means and the process toner signal processing means; and an edit control means having a plurality of edit regions and edit information for controlling the graduation toner signals in the edit regions in accordance with the edit information.

REFERENCES:
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patent: 4663662 (1987-05-01), Sekizawa et al.
patent: 4679155 (1987-07-01), Mitsuka
patent: 4698691 (1987-10-01), Suzuki et al.
patent: 4823194 (1989-04-01), Mishima et al.
patent: 4896208 (1990-01-01), Moriya et al.
patent: 4939590 (1990-07-01), Tada
patent: 5014123 (1991-05-01), Imoto

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