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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 | pdf2djvu vs djvudigital
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djvudigital, a part of DjVuLibre_, is another PDF to DjVu converter.
The list below outlines some differences between the converters.
Superiorities of djvudigital
----------------------------
- djvudigital uses a `sophisticated layer seperation algorithm`_.
pdf2djvu uses a simple one.
- djvudigital is typically much faster than pdf2djvu.
- djvudigital can convert PostScript files, too.
Superiorities of pdf2djvu
-------------------------
- djvudigital internally relies on a `Ghostscript driver`_, which has a
license incompatibility issue. pdf2djvu is not affected by any
license problem.
- djvudigital cannot extract hidden text.
- djvudigital cannot extract document metadata.
- For some documents, djvudigital cannot extract document outline.
See the `bug report`_ for details.
- djvudigital cannot produce indirect multi-page document by itself.
- djvudigital always uses lossless compression for monochrome images.
- With djvudigital, there is no obvious way to convert only some pages
of a document.
- With djvudigital, there is no way to customize page identifiers.
.. _DjVuLibre:
http://djvu.sourceforge.net/
.. _sophisticated layer seperation algorithm:
http://leon.bottou.org/papers/bottou-2001
.. _Ghostscript driver:
http://djvu.sourceforge.net/gsdjvu.html
.. _bug report:
http://sf.net/tracker/index.php?func=detail&aid=1997033&group_id=32953&atid=406583
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