Pixel

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High Quality Content by WIKIPEDIA articles! In digital imaging, a pixel (or picture element) is a single point in a raster image. Pixels are normally arranged in a 2-dimensional grid, and are often represented using dots or squares. Each pixel is a sample of an original image, where more samples typically provide more-accurate representations of the original. The intensity of each pixel is variable. In color image systems, a color is typically represented by three or four component intensities such as red, green, and blue, or cyan, magenta, yellow, and black. In some contexts (such as descriptions of camera sensors), the term pixel is used to refer to a single scalar element of a multi-component representation (more precisely called a photosite in the camera sensor context), while in others the term may refer to the entire set of such component intensities for a spatial position. In color systems that use chroma subsampling, the multi-component concept of a pixel can become difficult to apply, since the intensity measures for the different color components correspond to different spatial areas in a such a representation.

Weitere Informationen

  • Allgemeine Informationen
    • GTIN 09786130377236
    • Editor Lambert M. Surhone, Miriam T. Timpledon, Susan F. Marseken
    • Sprache Englisch
    • Größe H220mm x B150mm x T4mm
    • Jahr 2010
    • EAN 9786130377236
    • Format Fachbuch
    • ISBN 978-613-0-37723-6
    • Titel Pixel
    • Untertitel Sampling (signal processing), Intensity (physics), Chroma Subsampling, Texel (graphics), Voxel, Liquid Crystal Display, Color Depth, Display Resolution, Pixel Art
    • Gewicht 118g
    • Herausgeber Betascript Publishers
    • Anzahl Seiten 68
    • Genre Informatik

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