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LizardTech.com: DjVu Reference Library 3.0; Open Source Access to DjVu

Dec 20, 2000, 15:53 (0 Talkback[s])

"When AT&T Labs developed the DjVu technology, it was committed to developing the best technology for distributing scanned documents over the Internet. In order to ensure wide access to the DjVu technology, AT&T made the source code for the DjVu Reference Library available under an "AT&T Source Code License."

"When LizardTech acquired the DjVu technology from AT&T in March of this year, we wanted to broaden access to DjVu. To further efforts to make DjVu the standard tool for scan-to-Web applications, we granted Open Source access to the DjVu Reference Library v.2.0 under the GNU General Public License..."

"LizardTech has continued to innovate and improve DjVu and we have now developed the DjVu Reference Library v.3.0. As with v.2.0, we are continuing our commitment to Open Source access to DjVu by making available the DjVu Reference Library v.3.0, including both compression (or encoding) and decompression (or decoding) capabilities under the terms of the GNU General Public License... The new DjVu Reference Library v.3.0 is a major improvement over the previous version in terms of versatility, speed, compression ratios, and image quality. Improvements to the file format include:

  • Two new multipage document formats
  • A "hidden text" layer accessible for client-side text search
  • Support for embedded thumbnails
  • Supports 3.0 improved compression in reading "shape dictionaries" across pages in multipage documents
  • Support for reading and writing JB2 version 3.0, including JB2 color mode"

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