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Optical character recognition - Wikipedia 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 billboards in a landscape photo) or from subtitle text
hOCR - Wikipedia hocr-pdf We can use the hocr-pdf utility using the following basic syntax hocr-pdf—savefile final pdf folder_images_and_hocr The folder_images_and_hocr must contain the respective jpg and hocr format files with their file extensions changed
Poppler (software) - Wikipedia poppler-utils poppler-utils is a collection of command-line utilities built on Poppler's library API, to manage PDF and extract contents: pdfattach – add a new embedded file (attachment) to an existing PDF pdfdetach – extract embedded documents from a PDF pdffonts – lists the fonts used in a PDF
Document capture software - Wikipedia By converting paper documents into digital format through scanning, organizations convert paper into image formats such as TIF, JPG, and PDF, and also extract valuable index information or business data from the document using OCR technology Digital documents and associated metadata can easily be stored in the ECM in a variety of formats
PDF Split and Merge - Wikipedia PDFsam Basic or PDF Split and Merge is a free and open-source cross-platform desktop application to split, merge, extract pages, rotate and mix PDF documents PDFsam uses a freemium model and encourages buying the full version with popups
OCRopus - Wikipedia OCRopus is a free document analysis and optical character recognition (OCR) system released under the Apache License v2 0 with a very modular design using command-line interfaces OCRopus is developed under the lead of Thomas Breuel from the German Research Centre for Artificial Intelligence in Kaiserslautern, Germany and was sponsored by Google
Wikipedia:Graphics Lab Resources PDF conversion to SVG - Wikipedia Before learning how to convert PDF images to SVG images it may be useful to learn how to extract images from PDF documents and create PNG, GIF, and JPG images By using Adobe Reader many images in PDF documents can be right-clicked, copied, and then pasted into any image editor
Information extraction - Wikipedia Applying information extraction to text is linked to the problem of text simplification in order to create a structured view of the information present in free text The overall goal being to create a more easily machine-readable text to process the sentences Typical IE tasks and subtasks include: Template filling: Extracting a fixed set of fields from a document, e g extract perpetrators