Halftone

<graphics> The reproducion of greyscale {images} using dots of a single shade but varying size to simulate the different shades of grey.

Laser printers that cannot print different sized dots, halftones are produced by varying the numbers of dots in a given area.

This process is also used to produce a black and white version of a colour original usingshades of grey in place of colours.

See also device independent bitmap.

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hairy ball HAKMEM hakspek HAL half-duplex	dithering halftone Joint Bi-level Image Experts Group	HALGOL HALMAT Hal/S Halt and Catch Fire halting problem