half·tone

(hăf′tōn′, häf′-)

1. A tone or value halfway between a highlight and a dark shadow.

a. A picture in which the gradations of light are obtained by the relative darkness and density of tiny dots produced by photographing the subject through a fine screen.

b. A picture made by such a process.

3. Music See semitone.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

halftone

(ˈhɑːfˌtəʊn)

1. (Printing, Lithography & Bookbinding)

a. a process used to reproduce an illustration by photographing it through a fine screen to break it up into dots

b. the etched plate thus obtained

c. the print obtained from such a plate

2. (Art Terms) art a tonal value midway between highlight and dark shading

3. (Music, other) music US and Canadian another word for semitone

adj

(Printing, Lithography & Bookbinding) relating to, used in, or made by halftone

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

half•tone

(ˈhæfˌtoʊn, ˈhɑf-)

n.

1. (in painting, drawing, graphics, photography, etc.) a value intermediate between light and dark.

a. a printing process in which gradation of tone is obtained by a system of minute dots.

b. the metal plate used in such a process.

c. the print obtained in such a process.

3. semitone.

[1645–55]

half′tone, adj.

halftone

Any photomechanical printing surface or the impression therefrom in which detail and tone values are represented by a series of evenly spaced dots in varying size and shape, varying in direct proportion to the intensity of the tones they represent. See also halftone screen.

Dictionary of Military and Associated Terms. US Department of Defense 2005.

ThesaurusAntonymsRelated WordsSynonymsLegend:

Noun	1.	halftone - a print obtained from photoengraving engraving - a print made from an engraving
	2.	halftone - an engraving used to reproduce an illustration halftone engraving, photoengraving engraving - a block or plate or other hard surface that has been engraved

Translations

půltón

полутон

Mentioned in

References in periodicals archive

SmartFlexo screening gives you optimum control of halftone dot response on plate and on press.

XITRON, LLC

It consists of a high resolution halftone image of the portrait of Aleko Konstantinov.

Bulgarian National Bank Releases New 100 BGN Banknote (Video)

The latter produce Warholian repetitions of naked cowboys, doll heads, and skulls in intricate halftone patterns, emulating the meshy quality of monochrome images in old magazines and newspapers.

STAMPOGRAPHER

Ensuring print registration accuracy and avoiding patchy halftone patterns (when tiny halftone dots are blended in print reproduction) were challenges requiring trial and error to overcome.

SATO Named "Best of the Best" for Labeling Expertise

The spectral Neugebauer model is a halftone color predication model, which calculates the spectral reflectance values within the visual wavelength from printers' colorant space.

Spectral separation for multispectral image reproduction based on constrained optimization method

The most challenging problems in hiding secret data in halftone images are achieving a high embedding capacity and low image distortion.

Data-hiding for halftone images using an improved CPT scheme

CMYK printing, also known as four colour process or simply process colour, uses this principle to produce thousands of colours using only five colours (including the assumed white colour of the substrate.) Each hue in the image is distributed across four screens as halftone dots whose size represents the percentage of cyan, magenta, yellow and black in the original colour.

Capturing light with clay: Charlie Cummings details his process for printing photographic images on clay

Halftone app turns them into spotty halftone images like those in a colour comic magazine.

Useful new tools and some diversions for Apples new phone

Visual Communication Technologies from the Sakata INX Group demonstrated ink products and halftone technologies designed specifically for these applications,

Drupa show follow-up

A grandes rasgos, el metodo de halftoning se puede clasificar en dos ramas: la primera es halftoning AM (Amplitud Modulada) que se refiere a que el tamano de los puntos de halftone varia dependiendo de la tonalidad de la imagen, mientras su frecuencia espacial no cambie; y la segunda es halftoning FM (Frecuencia Modulada) que se refiere a que el tamano del punto de halftone es constante, mientras varie su frecuencia espacial [1].

Halftoning: revision y analisis

Topics discussed include halftone error diffusion methods, visual cryptography for color images, cryptography for multiple secrets, photographic images, probabilistic visual cryptography schemes, cheating prevention, resolving alignment problems, steganography in halftone images, and two-decoding-option image sharing methods.

Visual cryptography and secret image sharing