JNG(5)JNG(5)NAME
jng - JPEG Network Graphics (JNG) sub-format
DESCRIPTIONJNG (JPEG Network Graphics) is a sub-format of the MNG (Multiple-image
Network Graphics) format. As with MNG it extends on the features of the
popular PNG (Portable Network Graphics) image-format.
This sub-format was designed to support a lossy compression-method. It
is based completely on the JPEG specification. It adds the high-com‐
pression ratios of JPEG for photographic images.
As a member of the Network Graphics family, JNG was deemed adequate as
a stand-alone format as it extends the JPEG format with color-correc‐
tion and transparency features.
SEE ALSOpng(5),mng(5),libmng(3)
MNG 0.97 draft 70, Februari 2000:
http://www.libpng.org/pub/mng
AUTHORS
This man page: Gerard Juyn
Multiple-image Network Graphics (MNG) Specification Version 0.97
(Februari 27, 2000): Glenn Randers-Pehrson and others (png-
list@ccrc.wustl.edu).
COPYRIGHT NOTICE
The MNG-0.97 specification is copyright (c) 1998,1999,2000 Glenn Ran‐
ders-Pehrson. See the specification for conditions of use and distri‐
bution.
July 26, 2000 JNG(5)