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Glossary
  • scanning The successive analysis or synthesizing of the light values or other similar characteristics of the components of a picture area, following a given method.
  • direct scanning A scanning technique in which the object is illuminated the entire time, and in which picture elements of the object are viewed singly by the television camera.
  • variable-speed scanning A scanning technique in which the optical density of the film being scanned controls the speed of deflection of the scanning beam.
  • optical character recognition (OCR) The electronic and or mechanical detection of a given graphic/image that consists of character data or text that may include numbers, letters, and symbols that are then converted to a computer readable text with photosensitive devices such as the...
scan systemsbar-code readersbar codecharacter recognitionbar-code scannerimaging
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