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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.
A digital autopsy is a non-invasive autopsy in which digital imaging technology, such as with computerized tomography (CT) or magnetic resonance imaging (MRI) scans, is used to develop three-dimensional images for a virtual exploration of a human body. Digital autopsy, simply, means conducting autopsy in computerized environment by digital tools.
The distance the table moves for every 360° rotation of the X-ray generator is called the increment or table feed for axial scan modes. For helical scan modes, it is called table speed. [3] Setting an increment that is smaller than the slice thickness results in overlap between the slices.
For photo scanning, it doesn't get better than this $200 scanner from Amazon. You can scan stacks of photos at a time without having to manually open a scanner or align pictures perfectly.
The bitmap image may need a lot of work to clean it up. Erase stray marks and fill in lines and areas. Corel advice: Put the image on a light table, cover it with vellum (tracing paper), and then manually ink the desired outlines. Then scan the vellum and use an automated raster-to-vector conversion program on that scan.
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.
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In 1957, Kirsch's group developed a digital image scanner, to "trace variations of intensity over the surfaces of photographs", and made the first digital scans. One of the first photographs scanned, [7] a picture of Kirsch's three-month-old son, was captured as just 30,976 pixels, [8] a 176 × 176 array, in an area 5 cm × 5 cm (2" x 2"). [9]