DCR

Document Content Recognition

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Preprocessor

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• Identifying scanned image pdf documents using PyMuPDF.

• Converting scanned image pdf documents to a series of jpeg or png files using pdf2image and Poppler.

• Converting bmp, gif, jp2, jpeg, png, pnm, tif, tiff or webp type documents to pdf format using Tesseract OCR.

• Converting csv, docx, epub, html, odt, rst or rtf type documents to pdf format using Pandoc and TeX Live.

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Natural Language Processing (NLP)​

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• Extracting text and metadata from pdf documents using PDFlib TET.

• Categorisation of the lines in the document, e.g. body, footer, header lines etc.

• Determination of the token structure sentence by sentence with the help of spaCy.

• Storage of the analysis result optional in a PostgreSQL database or in a JSON flat file.

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