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Left: Halftone dots. Right: Example of how the human eye would see the dots from a sufficient distance. Halftone is the reprographic technique that simulates continuous-tone imagery through the use of dots, varying either in size or in spacing, thus generating a gradient-like effect. [ 1] ". Halftone" can also be used to refer specifically to ...
Sesshū Tōyō. Sesshū Tōyō (雪舟 等楊, c. 1420 – August 26, 1506), also known simply as Sesshū (雪舟), was a Japanese Zen monk and painter who is considered a great master of Japanese ink painting. Initially inspired by Chinese landscapes, Sesshū's work holds a distinctively Japanese style that reflects Zen Buddhist aesthetics. [1]
Dot gain. Dot gain, or tonal value increase, is a phenomenon in offset lithography and some other forms of printing which causes printed material to look darker than intended. It is caused by halftone dots growing in area between the original printing film and the final printed result. In practice, this means that an image that has not been ...
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Mezzotint. Saint Agnes, mezzotint by John Smith after Godfrey Kneller, usually thought to be a portrait of Kneller's daughter, Catherine Voss, by his mistress [ 1] Mezzotint is a monochrome printmaking process of the intaglio family. It was the first printing process that yielded half-tones without using line- or dot-based techniques like ...
Directly observed treatment, short-course. Directly observed treatment, short-course ( DOTS, also known as TB-DOTS) is the name given to the tuberculosis (TB) control strategy recommended by the World Health Organization. [1] According to WHO, "The most cost-effective way to stop the spread of TB in communities with a high incidence is by ...
Dultgen. The Dultgen halftone intaglio process is a photoengraving technique invented by Arthur Dultgen and is widely used today in commercial colour work. Two positives are made from the continuous tone copy, one through a halftone screen or a special contact screen and the other without a screen. A sheet of carbon tissue is then exposed first ...
Like most other Niger–Congo languages, Sesotho is a tonal language, spoken with two basic tones, high (H) and low (L). The Sesotho grammatical tone system (unlike the lexical tone system used in Mandarin, for example) is rather complex and uses a large number of "sandhi" rules. However, the Sesotho system is by no means the most complicated ...