Difference between revisions of "OCR: Optical Character Recognition"
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OCR (Optical Character Recognition) is a technology which recognises typographic characters in bitmap images, and renders them as machine encoded text. This is particularly useful when digitising printed matter, as running OCR on a file produces a selectable text layer that can searched with a computer. | OCR (Optical Character Recognition) is a technology which recognises typographic characters in bitmap images, and renders them as machine encoded text. This is particularly useful when digitising printed matter, as running OCR on a file produces a selectable text layer that can searched with a computer. | ||
Latest revision as of 11:30, 25 November 2021
OCR (Optical Character Recognition) is a technology which recognises typographic characters in bitmap images, and renders them as machine encoded text. This is particularly useful when digitising printed matter, as running OCR on a file produces a selectable text layer that can searched with a computer.
Tesseract and OCRmyPDF are two free software tools that can be used to do OCR on a document.