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An image scanner (often abbreviated to just scanner) is a device that optically scans images, printed text, handwriting, or an object and converts it to a digital image. The most common type of scanner used in the home and the office is the flatbed scanner , where the document is placed on a glass bed.
Document imaging is an information technology category for systems capable of replicating documents commonly used in business. Document imaging systems can take many forms including microfilm, on demand printers, facsimile machines, copiers, multifunction printers, document scanners, computer output microfilm (COM) and archive writers.
Most scanning hardware, both scanners and copiers, provides the basic ability to scan to any number of image file formats, including: PDF, TIFF, JPG, BMP, etc. This basic functionality is augmented by document capture software, which can add efficiency and standardization to the process.
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Alternatively, a digital image may be obtained from another image in an analog medium, such as photographs, photographic film, or printed paper, by an image scanner or similar device. Many technical images—such as those acquired with tomographic equipment , side-scan sonar , or radio telescopes —are actually obtained by complex processing ...
Although scanning from paper is possible, microfilm scanning is cheaper and good microfilm has been called “the single most critical factor in the success of newspaper digitization.” [2] The OCR analysis of scanned pages presents a number of technical challenges and the text of old newspapers is often difficult to read, which introduces ...
Pages in category "Image scanning" The following 21 pages are in this category, out of 21 total. This list may not reflect recent changes. C. Canon FARE; D. Digital ICE;
Scanography (also spelled scannography), more commonly referred to as scanner photography, is the process of capturing digitized images of objects for the purpose of creating printable art using a flatbed "photo" scanner with a CCD (charge-coupled device) array capturing device. Fine art scanography differs from traditional document scanning by ...