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PDF's emphasis on preserving the visual appearance of documents across different software and hardware platforms poses challenges to the conversion of PDF documents to other file formats and the targeted extraction of information, such as text, images, tables, bibliographic information, and document metadata. Numerous tools and source code ...
The PDF Association has also standardized PDF/raster). PostScript – a page description language and programming language , started as a proprietary standard but is now a public specification. XHTML – XHTML (Extensible HyperText Markup Language) is a family of XML markup languages that mirror or extend versions of the widely used Hypertext ...
Document processing does not simply aim to photograph or scan a document to obtain a digital image, but also to make it digitally intelligible. This includes extracting the structure of the document or the layout and then the content, which can take the form of text or images.
Digital documents and associated metadata can easily be stored in the ECM in a variety of formats. The most popular of these formats is PDF which not only provides an accurate representation of the document but also allows all the OCR text in the document to be stored behind the PDF image. This format is known as PDF with hidden text or text ...
Visual words, as used in image retrieval systems, [1] refer to small parts of an image that carry some kind of information related to the features (such as the color, shape, or texture) or changes occurring in the pixels such as the filtering, low-level feature descriptors (SIFT or SURF).
In computer vision or natural language processing, document layout analysis is the process of identifying and categorizing the regions of interest in the scanned image of a text document. A reading system requires the segmentation of text zones from non-textual ones and the arrangement in their correct reading order. [ 1 ]
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Documents created in word processors and/or observed in viewers. [11] [3] Examples include Microsoft Word, Google Docs, WordPerfect, Apple Pages, LibreOffice Writer, and Adobe Reader. [12] Spreadsheets [11] used to organize and tabulate data are almost entirely digital.