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picture element |
Also found in: Dictionary/thesaurus, Medical, Acronyms, Wikipedia, Hutchinson | 0.07 sec. |
pixelin full picture elementSmallest resolved unit of a video image that has specific luminescence and colour. Its proportions are determined by the number of lines making up the scanning raster (the pattern of dots that form the image) and the resolution along each line. In the most common form of computer graphics, the thousands of tiny pixels that make up an individual image are projected onto a display screen as illuminated dots that from a distance appear as a continuous image. An electron beam creates the grid of pixels by tracing each horizontal line from left to right, one pixel at a time, from the top line to the bottom line. A pixel may also be the smallest element of a light-sensitive device, such as cameras that use charge-coupled devices (see CCD). picture elementSee pixel.
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| And you now have a wide range of options from 1- to 6-megapixels (in digital photos a pixel is a picture element made up of millions of tiny dots that together create an image). The artist, who is based in Berlin and London, has given the pixel--the indivisible picture element whose only information value is color--an entirely new plastic form. Many scientists discounted those earlier images because the dark spots usually spanned only one picture element, or pixel, raising the possibility that they stemmed from a problem in the camera. |
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