Diagonal grid image communication and display

Details Diagonal grid image communication and display Diagonal grid image communication and display

1982-12-20

1985-05-28

Britton, Howard W.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

340727, 358242, 364521, H04N 300

Patent

active

045203911

ABSTRACT:
A diagonal pel grid is used in a raster scanned CRT display. This is achieved by displacing alternate scan fields by a half-pel in both axes to form a diagonal checkerboard grid that is interlaced in two axes. This substantially reduces the number of displayed pels to achieve a given quality as perceived by the human eye or substantially increases the apparent resolution of the image when the same number of pels are used as are used in a given rectangularly scanned application.

REFERENCES:
patent: 2921124 (1960-01-01), Graham
patent: 3429990 (1969-02-01), Hobrough
patent: 3573789 (1971-04-01), Sharp
patent: 3680076 (1972-07-01), Duffek
patent: 4068265 (1978-01-01), Russell

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