half tone

Panel pictures A group of photos requiring the same magnification, pasted up adjacent to one another, to be shot as a single half-tone.

Moire pattern: Undesirable pattern caused by incorrect relative screen Angle of two or more half-tone plates.

Screened print A print made from a half-tone negative. A screened print can be used for paste-up and reproduced as line copy.

Half-tone positive A positive film image produced by projecting a continuous-tone negative through a screen. Also called Screened positive.

EM1200 Series automatic exposure machine are used for the high stencils for half tone jobs and highly dense line stencils .

Half-tone negative The negative film image produced by shooting continuous-tone copy through a half-tone screen.

When placed over a half-tone film or print, indicates by a halo, the screen angle of the half-tone.

Flash exposure: The supplementary exposure sometimes required in half-tone photography to produce the required density range .

Thicken An increase in the size of the half- tone dots or the thickening of stroke of type characters . Opposite of " sharpen " .

Contact screen Half-tone screen used in direct contact with the photographic film for creating half-tones. See Hakl-tone screen.

Magenta contact screen: A type of contact screen in magenta colour. It is used for making half-tone from black-anD- white original only.

Line overlay: In PREparing artwork for reproduction, the overlay which carries line work to PRE-separate line from half-tone.

A novel inverse halftoning method is proposed to restore a continuous tone image from a given half-tone image.

Combination line and tone: A single print or piece of film combining half-tone and line work.

Zinco A line or coarse screen half-tone block etched on zinc for letterpress printing. See Zinc engraving.

(2) The exposure of a line image over a half-tone image in film.

Sharpen: a decrease in the size of the half-tone dots or the thinning of stroke of type characters.

Re-screen: To take a picture which is already screened such as a half-tone and shoot it again with a new half-tone screen.

Lines per inch (IPi): A unit to determine resolution or the fineness of half-tone reproductoions. The metric unit is lines per CM.

Hard dots Half-tone sots produced either by contact or by direct laser scanning. See Soft dots.

He bagan as an illustrator of children's books, using the then new half-tone process.

Hard dots: Half-tone sots produced either by contact or by direct laser scanning.

Soft dot: Half-tone dot with soft halation or fringe around it, AS oppsed to a hard dot which is very sharp and without fringe.

In a half-tone, it is those areas having tonal values of 0%-30%.

Linen screen A special effect half-tone screen giving a linen texture to the picture.

Colour microfilm - Shooting technics, production of original line drawings and half-tone drawings, evaluation

Digital Watermarking with Half-Tone Encoded Computer-Generated Hologram

Study of Half-Tone Coding Technology