Independent technologist Brewster Kahle in a 2004 talk on IT Conversations discussed the benefits of allowing easier access to DjVu files.
#Lizardtech djvu pdf
The declared higher compression ratio (and thus smaller file size), and the claimed ease of converting large volumes of text into DjVu format, were other arguments for DjVu's superiority over PDF in the technology landscape of 2004. Prior to the standardization of PDF in 2008, DjVu had been considered superior due to it being an open file format in contrast to the proprietary nature of PDF at the time. The DjVu technology was originally developed by Yann LeCun, Léon Bottou, Patrick Haffner, and Paul G.
#Lizardtech djvu android
DjVu is supported by a number of multi-format document viewers and e-book reader software on Linux ( Okular, Evince), Windows ( SumatraPDF), Android (EBookDroid, PocketBook). Like PDF, DjVu can contain an OCR text layer, making it easy to perform copy and paste and text search operations.įree creators, manipulators, converters, browser plug-ins, and desktop viewers are available. The DjVu developers report that color magazine pages compress to 40–70 kB, black-and-white technical papers compress to 15–40 kB, and ancient manuscripts compress to around 100 kB a satisfactory JPEG image typically requires 500 kB. License grants under the GNU GPL for several patents that cover aspects of the library ĭjVu has been promoted as providing smaller files than PDF for most scanned documents. GNU GPLv2 for DjVu Reference Library and DjVuLibre-3.5
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