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Indian-head test pattern. The Indian-head test pattern is a test card that gained widespread adoption during the black-and-white television broadcasting era as an aid in the calibration of television equipment. It features a drawing of a Native American wearing a headdress surrounded by numerous graphic elements designed to test different ...
Wallpaper group. A wallpaper group (or plane symmetry group or plane crystallographic group) is a mathematical classification of a two-dimensional repetitive pattern, based on the symmetries in the pattern. Such patterns occur frequently in architecture and decorative art, especially in textiles, tiles, and wallpaper .
The Philips circle pattern (also referred to as the Philips pattern or PTV Circle pattern) refers to a family of related electronically generated complex television station colour test cards. The content and layout of the original colour circle pattern was designed by Danish engineer Finn Hendil [ da] (1939–2011) [1] in the Philips TV & Test ...
Within a year, over 5 million people signed up for Myspace. And by 2006, 90 million signed up—surpassing Google and Yahoo as the most visited website in the U.S. In August of that year, the unit ...
The mandala is "a support for the meditating person", [17] something to be repeatedly contemplated to the point of saturation, such that the image of the mandala becomes fully internalised in even the minutest detail and can then be summoned and contemplated at will as a clear and vivid visualized image.
v. t. e. In digital photography, computer-generated imagery, and colorimetry, a greyscale (more common in Commonwealth English) or grayscale (more common in American English) image is one in which the value of each pixel is a single sample representing only an amount of light; that is, it carries only intensity information. Grayscale images, a ...
Geometric Shapes Extended. Halfwidth and Fullwidth Forms. Miscellaneous Symbols and Arrows (Unicode block) includes more geometric shapes. Miscellaneous Symbols and Pictographs (Unicode block) includes several geometric shapes of different colors. Mathematical operators and symbols in Unicode. Symbols for Legacy Computing.
As last year, the top two games are Mobsters and Mafia Wars. While 2008 saw a monthly increase of about 718,000 users between November and December for the top game, 2009 has a much lower number ...