JPEG2000 converter?

[jcupitt at gmail.com]

On 9 May 2018 at 07:09, Martin Weihrauch <m.weihrauch at smartinmedia.com>
wrote:

>
>
> Do you have an idea, how we could convert from JPEG2000? It could be also
> a commercial software (then send me a personal mail to not clog this list).
>
>
>


I would try OpenJPEG first:

   http://www.openjpeg.org/

Something like:

   opj_decompress -i someinputfile.jp2 -o huge.tif

I don't know if it'll write bigtiff. It will write PPM though, which should
work.

   https://github.com/uclouvain/openjpeg/wiki/DocJ2KCodec#opj_decompress

John
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