Method of and apparatus for processing image data

Details Method of and apparatus for processing image data Method of and apparatus for processing image data

1991-08-28

1994-07-05

Nguyen, Phu K.

G06F 312

Patent

active

053275276

ABSTRACT:
For image parts in an image with large circumscribed quadrilaterals, one-dimensional data development is executed where intersection point data on a scanning line are accumulated for plural image parts and one-dimensional raster data of the scanning line is produced based on the intersection point data. For image parts with small circumscribed quadrilaterals, two-dimensional data development is executed where intersection point data in an image part are obtained and two-dimensional raster data of the image part is produced. While the one-dimensional data development requires only a small memory capacity for raster data creation even for relatively large image parts, the two-dimensional data development allows high-speed raster data creation for relatively small image parts.

REFERENCES:
patent: 4951228 (1990-08-01), Hirawa et al.
patent: 5155805 (1992-10-01), Kaasila

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