The document processing technology of document scanners.
If you want to scan documents with dedicated document scanners you should know that scanning text documents can be performed very easily by document feed scanners, and the quality will be high for this type of documents. If you want to scan only pictures, than you need a scanner with high resolution for a quality scanned picture. Scanning documents can be performed by document feed scanners at high speed that varies between 20 and even 150 pages for minute, depending on your scanner model.
For a quick scan, the documents should be in grayscale, even though you can scan color documents with your document scanner. When scanning colored documents or pictures the speed of the scanning process will be much lower. Some document feed scanners use sophisticated software that can eliminate accidental marks or even sharpening type that may ruin your photos. The software can compress the files as fast as they are created.
The higher the resolution is, the higher demand on storage space is required by the software. Text documents that are scanned at a resolution that varies from 150 dpi to 300 dpi that can be enough to be recognized by the optical character recognition or OCR. You can use the OCR technology if you want to modify the text that you have scanned. OCR allows you to enter text or to simply edit the text from the scanned documents.
Document scanners usually use ISIS or TWAIN drivers to scan the documents into TIFF format. You can scan your text documents in TIFF format and just fed into a document management system that will help you archiving your scanned documents easier. If you want to scan pictures, than you should know that scanning in JPEG format will help you to keep the detail of your pictures that will look as the original picture.
Dedicated software usually come with your document feeding scanners or document scanners and will help you in your scanning process of text documents or pictures easily than you can imagine. You can personalize your scanned documents by introducing the resolution, the format or paper size and so on that will help you in future processing or editing of the text document or picture. Document scanners are very useful if you have a big number of documents to scan. Document feed scanners can scan documents on both sides, so you do not have to turn every page by hand.
It is very easy to scan documents that are printed on separated pages, but what if you want to scan an old book? It can be really hard to scan books with document scanners, but you can buy a scanner that allows you to manually turn and scan each page of the book. It can be hard because usually old books and books are fragile in general and you should be careful at every page you scan.
Document feed scanners can scan documents on both sides, so you do not have to turn every page by hand. Document scanners usually use ISIS or TWAIN drivers to scan the documents into TIFF format.
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