jng - JPEG Network Graphics (JNG) sub-format
JNG (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-
compression 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-
correction and transparency features.
png(5), mng(5), libmng(3)
MNG 1.00, February 9, 2001:
This man page: Gerard Juyn
Multiple-image Network Graphics (MNG) Specification Version 1.00
(Februari 9, 2001): Glenn Randers-Pehrson and others (png-
The MNG-1.00 specification is copyright (c) 1998-2001 Glenn Randers-
Pehrson. See the specification for conditions of use and distribution.
July 26, 2000