More info...
These are the two patents that are listed in the JBIG2 Spec [ISO/IEC N1359],
Appendix I:
1. Korean Patent, 10-97-068093, 1997 (pending),KwangWoon University,
HyungHwa Ko et al.: LOSSY/LOSSLESS
CODING METHOD FOR BINARY IMAGE BY EFFICIENT UTILIZATION OF PATTERN
CORRELATION
2. US Patent, 4 749 983, IBM, Compression of multilevel signals, June 7,
1988
Does anyone know if these apply to decoding, or just encoding?
-Rick
> -----Original Message-----
> From: owner-ifx@pwg.org [mailto:owner-ifx@pwg.org] On Behalf
> Of Rick Seeler
> Sent: Tuesday, January 14, 2003 12:06 PM
> To: ifx@pwg.org
> Subject: IFX> Things to consider.
>
>
> IFXers,
>
> At the upcoming meeting in Maui, I would like to lay to rest
> the following
> issue:
>
> Is there any non-royalty-free IP around decoding of JBIG2
> images? And if so, which 'Profile(s)' [T.89] do they apply to?
>
> Information directly from IBM and Xerox would be ideal, but
> any feedback would be appreciated.
>
> Thanks.
>
> -Rick Seeler
>
>
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