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Video of the process of scanning and real-time optical character recognition (OCR) with a portable scanner. Optical character recognition or optical character reader (OCR) is the electronic or mechanical conversion of images of typed, handwritten or printed text into machine-encoded text, whether from a scanned document, a photo of a document, a scene photo (for example the text on signs and ...
Document scans are often processed using OCR technology to create editable and searchable files. Most scanners use ISIS or TWAIN device drivers to scan documents into TIFF format so that the scanned pages can be fed into a document management system that will handle the archiving and retrieval of the scanned pages. Lossy JPEG compression, which ...
A copy detection pattern (CDP) [1] or graphical code [2] [3] is a small random or pseudo-random digital image which is printed on documents, labels or products for counterfeit detection. Authentication is made by scanning the printed CDP using an image scanner or mobile phone camera . [ 4 ]
For book scanning on a low budget, the least expensive way to scan a book or magazine is to cut off the binding. This converts the book or magazine into a sheaf of separate sheets which can be loaded into a standard automatic document feeder (ADF) and scanned using inexpensive and common scanning technology. The method is not suitable for rare ...
The higher the resolution (meaning the number of pixels per inch, "ppi"), the larger the print size. Flatbed scanners typically have a hinged cover that covers the bed, and reflects light back into the scan head. This cover is usually removed or propped open when scanning 3-D objects, to prevent damage or compression of the subject.
If you believe that your work (or the work of a third party on whose behalf you are entitled to act) has been copied in a way that constitutes copyright infringement, please file a copyright infringement notice with us. The notice should be in writing and include, in the order set out below, the following:
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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