Picture output apparatus, picture preparation apparatus, and pic

Details Picture output apparatus, picture preparation apparatus, and pic Picture output apparatus, picture preparation apparatus, and pic

1996-07-17

2000-09-26

Luu, Matthew

Computer graphics processing and selective visual display system

Computer graphic processing system

Integrated circuit

345515, G06F 1200

Patent

active

061248673

ABSTRACT:
A picture output apparatus capable of carrying out picture output at a high speed is provided. In the picture output apparatus adapted for converting picture data of a first form, which is not permitted to undergo picture output, inputted along with a picture output instruction into picture data of a second form which is permitted to undergo picture output, wherein this apparatus comprises a configuration to convert picture data of the first form inputted without the picture output instruction into picture data of the second form to hold it as predictive picture data of the second form with respect to picture data of the first form predicted to be inputted along with the picture output instruction later. In the case where the picture data of the first form inputted along with the picture output instruction and the previously inputted picture data of the first form are the same, since the picture data of the second form already exists, it is possible to carry out picture output without conversion processing. In the case where difference is small even if both picture data are not the same, it is sufficient to convert only where the difference occurs.

REFERENCES:
patent: 4491836 (1985-01-01), Collmeyer et al.
patent: 5208908 (1993-05-01), Harrison et al.
patent: 5367674 (1994-11-01), Berk et al.
patent: 5559952 (1996-09-01), Fujimoto
patent: 5696698 (1997-12-01), Herluison et al.
Patent Abstracts of Japan, vol. 018, No. 561 (P-1818), Oct. 26, 1994 & JP-A-06 202826 (Fuji Xerox Co. Ltd.), Jul. 22, 1994).
Patents Abstracts of Japan, vol. 018, No. 561 (P-1818), Oct. 26, 1994 & JP-A-06 202826 (Fuji Xerox Co. Ltd), Jul. 22, 1994.

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