Table: Attributes for Common Compression Techniques
Name * ITU-T.6** JBIG/JBIG2 JPEG LZW Deflate Wavelet ImagePac
Standard/Proprietary Standard Standard Standard Proprietary*** Standard Standard/
Lossless/lossy Lossless Lossless or Lossy Lossy Lossless Lossless Lossless or Lossy Lossy
Bit depths supported 1-bit 1-bit up to 6-bit typical 8-bit or 24-bit 1-bit up to 8-bit typical 8-, 16- and 24-bit varies


Multi-Res No No No No No Yes Yes
File Formats and Applications Associated With TIFF, PDF, fax TIFF, PDF****, fax JPEG/JFIF, TIFF, FlashPix, SPIFF, PDF Zip, TIFF, GIF, PDF, Postscript PNG, Zip, PDF JP2, LuraWave, MrSID, ERMapper, DjVu

Photo CD

Web Support Plug-in or helper application Plug-in or helper application Since Explorer 2, Navigator 2 for use in JPEG/JFIF files only Since Explorer 3, Navigator 2 for use in GIF files only Since Explorer 4, Navigator 4.04 for use in PNG files only Plug-in or helper applications Java applet or helper application

* Links are to the organization that developed the standard or corporation that owns the patent.
** Formerly known as CCITT Group 4.
*** Patent is set to expire in 2003.
**** JBIG2 encoded PDF files require Adobe Acrobat Reader 5.0 or later.

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