[Insight-users] Re: [Insight-developers] GDCM update / JPEG2000
jjomier at cs.unc.edu
Tue Jan 17 13:51:56 EST 2006
Will the new library replace the current itkjpeg or does it just provide
support for JPEG2000?
What amount of disk space is involved (source only)?
I think we are always in favor of adding new IO libraries in ITK as long as:
a) it doesn't take too much disk space
b) it's easy to maintain
Since you are using it in GDCM I guess (b) is not a problem.
Another option is to add an option in CMake to use the library externally.
my two cents,
Mathieu Malaterre wrote:
> I have a minor technical issue. Currently GDCM uses the
> (patched)jpeg from the Utilities directory to be able to decompress JPEG
> lossy and lossless file. I was asked to update gdcm 1.0 to gdcm 1.2. In
> gdcm 1.2 we have added support for JPEG2000 encoded file. This is for
> now very rare IMHO. So my question is:
> - Do I add support for JPEG2000 in ITK, knowing that it will add a new
> library to ITK (~373k line of code). Code for the library can be found
> at http://www.openjpeg.org (*)
> - If yes, do I make it an available library just like png or tiff, or do
> I keep it encapsulated into GDCM ?
> - If not I can still update to gdcm 1.2 which will still add a lot of
> new features lacking in gdcm 1.0. I'll simply change the cmakelists.txt
> to not include JPEG2000 code.
> Comments welcome,
> (*) At some point during the development process jasper was considered
> and used in GDCM to decompress JPEG2000 DICOM image. But due to a major
> decompression problem for 16bits lossless image the support was
> discontinued in favor of the lighter openjpeg implementation from
> Communications and Remote Sensing Lab (TELE).
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> Insight-developers at itk.org
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