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DjVu – file format for scanned images or documents; EAS3 – binary file format for floating point data; ELF – Executable and Linkable Format; FreeOTFE – container for encrypted data; GPX – GPs eXchange format – for describing waypoints, tracks and routes; HDF – multi-platform data format for storing multidimensional arrays, among ...
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 ...
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.
An image retrieval system is a computer system used for browsing, searching and retrieving images from a large database of digital images. Most traditional and common methods of image retrieval utilize some method of adding metadata such as captioning, keywords, title or descriptions to the images so that retrieval can be performed over the annotation words.
DTD – Document Type Definition (standard), MUST be public and free.html, .htm – HTML HyperText Markup Language.xhtml, .xht – XHTML eXtensible HyperText Markup Language.mht, .mhtml – MHTML Archived HTML, store all data on one web page (text, images, etc.) in one big file.maff – MAF web archive based on ZIP; Dynamically generated
In the case of document retrieval, queries can be based on full-text or other content-based indexing. Information retrieval is the science [1] of searching for information in a document, searching for documents themselves, and also searching for the metadata that describes data, and for databases of texts, images or sounds.
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 ...
For example, HTML documents are identified by names that end with .html (or .htm), and GIF images by .gif. In the original FAT file system, file names were limited to an eight-character identifier and a three-character extension, known as an 8.3 filename. There are a limited number of three-letter extensions, which can cause a given extension ...