[Dcmlib] future of gdcm

Mathieu Malaterre mathieu.malaterre at kitware.com
Mon Aug 22 02:02:49 CEST 2005


luca.picello at libero.it wrote:
> Hello developers.
> Is there any roadmap for the next gdcm release?
> Do you have in mind to add new or modify existing features in the next period?
> thank you in advance,

There is nothing really clear. Here are a few points that were 
mentionned/wokred on.

- JPEG2000 although working is in fact broken, jasper libray is not as 
robust as I thought it would (I should have a look at openjpeg.org maybe 
in the future)

- MPEG dicom are not working, but the libmpeg is there

- JPEG-LS is not working but the lib is there, and if you know what you 
are doing you can decompress the dicom...

- gdcm suffer from a ill-design IMHO and it makes it very difficult to 
support extent (just as any update mechanism). What does this mean, is 
of you have a 4Go DICOM image, even if you want to read only a 100x100 
subsamble you simply cannot (at least not out of the box). Same problem 
when you have a jpeg image that you would like to transform to DICOM it 
is very difficult...

- Big endian is clearly not bullet proof, and barely supported.


Mathieu



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