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+
+1- WHAT IS DJVU.
+================
+
+DjVu (pronounced "déjà vu") a set of compression technologies, a file format,
+and a software platform for the delivery over the Web of digital documents,
+scanned documents, and high resolution images.
+
+DjVu documents download and display extremely quickly, and look exactly the
+same on all platforms. DjVu can be seen as superior alternative to PDF and
+Postscript for digital documents, to TIFF (and PDF) for scanned documents, to
+JPEG for photographs and pictures, and to GIF for large palettized
+images. DjVu is the only Web format that is practical for distributing
+high-resolution scanned documents in color. No other format comes close.
+
+Typical DjVu file sizes are as follows: 
+
+- Bitonal scanned documents: 
+        5 to 30KB per page at 300dpi, 
+        3 to 10 times smaller than PDF or TIFF.
+
+- Color scanned documents: 
+           30 to 100KB per page at 300dpi,
+           5 to 10 times smaller than JPEG.
+
+- Photos:
+        2 times smaller than JPEG, 
+        about the same as JPEG-2000. 
+
+- Palettized images: 
+        2 times smaller than GIF,
+        up to 10 times if there is text.
+
+DjVu is used by hundreds of commercial, governmental, and non-commercial web
+sites around the world to distribute scanned documents, digital documents, and
+high-resolution photos.
+
+Demos, and general information about DjVu can be found at 
+http://www.djvuzone.org, or at http://www.lizardtech.com. 
+
+DjVu was originally developed at AT&T Labs-Research. AT&T sold DjVu to
+LizardTech Inc. in March 2000.
+
+
+
+2- WHAT IS DJVULIBRE? 
+=====================
+
+In an effort to promote DjVu as a Web standard, LizardTech's management was
+enlightened enough to release the reference implementation of DjVu under the
+GNU GPL in October 2000. DjVuLibre (pronounced like the French "déjà vu
+libre"), is an enhanced version of that code maintained by the original
+inventors of DjVu. It is compatible with LizardTech's DjVu software v3.5.
+
+DjVuLibre includes: 
+
+- A standalone DjVu viewer for Unix under X11 (based on the Qt library). 
+
+- A browser plugin that works with most Unix browsers, including: 
+  Netscape-4.x, Netscape-6.x, Mozilla, Galeon, Konqueror, and Opera. 
+
+- A full-fledged wavelet-based compressor for pictures. 
+
+- A simple compressor for bitonal (black and white) scanned pages. 
+
+- A compressor for palettized images (a la GIF). 
+
+- A full set of utilities to manipulate and assemble DjVu images and documents. 
+
+- A set of decoders to convert DjVu to a number of other formats. 
+
+- An up-to-date version of the C++ DjVu Reference Library 
+
+Windows and Mac versions of the viewer/plug-in, as well as commercial versions
+of the compressors and OCR engines are available from LizardTech Inc.. The
+compressors provided here are slower, produce larger files, and sometimes
+lower quality images than the commercial compressors, but they do the job.
+
+A variety of free web-based conversion services are also available, including
+any2djvu.djvuzone.org, bib2web.djvuzone.org, and openlib.djvuzone.org.
+
+
+
+