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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 ...
Suppose the writer wishes to use some English text (a left-to-right script) into a paragraph written in Arabic or Hebrew (a right-to-left script) with non-alphabetic characters to the right of the English text. For example, the writer wants to translate, "The language C++ is a programming language used..." into Arabic.
Tesseract is an optical character recognition engine for various operating systems. [5] It is free software, released under the Apache License. [1] [6] [7] Originally developed by Hewlett-Packard as proprietary software in the 1980s, it was released as open source in 2005 and development was sponsored by Google in 2006.
This mechanism allows for automatic language processing to take place leaving non-Arabic text as is, unprocessed when it sees the double quotes. Originally, even < > & were not used either especially < > which are French borrowed quote marks because they are occasionally used in Arabic text. These were added later as a necessity.
The data obtained by this form is regarded as a static representation of handwriting. Offline handwriting recognition is comparatively difficult, as different people have different handwriting styles. And, as of today, OCR engines are primarily focused on machine printed text and ICR for hand "printed" (written in capital letters) text.
Only the Arabic question mark ؟ and the Arabic comma ، are used in regular Arabic script typing and the comma is often substituted for the Latin script comma , which is also used as the decimal separator when the Eastern Arabic numerals are used (e.g. 100.6 compared to ١٠٠,٦ ).
Arabic typography is the typography of letters, graphemes, characters or text in Arabic script, for example for writing Arabic, Persian, or Urdu. 16th century Arabic typography was a by-product of Latin typography with Syriac and Latin proportions and aesthetics.
In some cases, it might be possible to just rephrase or move the text around so that the more strongly directed text follows the Arabic text. This avoids the need of the LRM altogether. Arabic script can be incorrectly rendered on a system not supporting Arabic.
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