Extracting the logical structure, e.g. chapters, sections or page numbers; Identifying elements of the document, e.g. authors

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Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition (scanning, transmission or reproduction of documents or the like H04N1/00) > Document-oriented image-based pattern recognition > Analysis of document content (recognition of printed characters based on code marks G06V30/224) > Extracting the logical structure, e.g. chapters, sections or page numbers; Identifying elements of the document, e.g. authors