Graphics scaling method for high resolution printers

Details Graphics scaling method for high resolution printers Graphics scaling method for high resolution printers

1989-10-13

1991-06-18

Orsino, Joseph A.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358451, H04N 140

Patent

active

050253255

ABSTRACT:
The invented method scales a graphics image by recognizing under what resolution the image was created, identifying the resolution of the printer that will actually print the image, calculating a convenient virtual resolution, approximating, on a pixel-by-pixel basis, using the virtual resolution, how many new pixels are required to emulate each existing pixel and then storing the new pixels in memory or printing them.

REFERENCES:
patent: 4280143 (1981-07-01), Judd
patent: 4511928 (1985-04-01), Colomb
patent: 4533958 (1985-08-01), Herget
patent: 4644409 (1987-02-01), Fuchs
patent: 4682869 (1987-07-01), Itoh et al.

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