scanner

Any device that systematically breaks up an image into picture elements (or pixels) and records some attribute of each picture element. The sweep of a scanner's mirror, prism, antenna, or other element across the track (direction of flight) may be straight, circular, or another shape.




Related Terms
line scanner,   Multispectral Scanner MSS,  

External links for SCANNER
scanner on Wikipedia
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scanner on Answers
scanner on The Free Dictionary

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