On Monday 18 July 2005 10:25 pm, David F. Clark, Jr. wrote:
> Hope this isn't a dumb question, but I was just reading some information
> about the JPEG2000 image format. Most of the information I have been able
> to find is old (ca. 1999 and 2000). Anybody have any thoughts on this
> format. I understand that web browsers do not support this format. Why is
> that?
dave dave dave ... use wikipedia! :)
"JPEG2000 is not widely supported in present software due to the perceived
danger of software patents on the mathematics of the compression method, this
area of mathematics being heavily patented in general. JPEG2000 is by itself
not license-free, but the contributing companies and organizations agreed
that licenses for its first part - the core coding system - can be obtained
free of charge from all contributors.
The JPEG committee has stated:
It has always been a strong goal of the JPEG committee that its standards
should be implementable in their baseline form without payment of royalty and
license fees ... The up and coming JPEG 2000 standard has been prepared along
these lines, and agreement reached with over 20 large organizations holding
many patents in this area to allow use of their intellectual property in
connection with the standard without payment of license fees or royalties.
However, the JPEG committee has also noted that undeclared and obscure
submarine patents may still present a hazard:
It is of course still possible that other organizations or individuals may
claim intellectual property rights that affect implementation of the
standard, and any implementers are urged to carry out their own searches and
investigations in this area. "
http://en.wikipedia.org/wiki/JPEG2000
scott
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