[Insight-developers] HELP: Looking for DICOM Compressed Tiled Image : Do you have one that you can share ?

[Mathieu Malaterre]

Luis,

  If you have a tiled j2k image, simply run:

$ gdcmimg input.j2k output.dcm

  And you are done. You have a brand new valid tiled-j2K DICOM file
(secondary capture image storage).

  None of the images you are giving as reference have tiles AFAIK. It
does not make much sense to use Tiles for images lower than 512x512,
which is pretty common for CT/MRI images.

HTH

On Mon, Apr 18, 2011 at 8:16 PM, Luis Ibanez <luis.ibanez at kitware.com> wrote:
> Mark,
>
> How about the ones at:
>
> "Compression working group test images (uncompressed, JPEG, JPEG-LS and J2K"
> ftp://medical.nema.org/MEDICAL/Dicom/DataSets/WG04/
>
> ?
>
>
>   Luis
>
>
> --------------------------------------------
> On Fri, Apr 15, 2011 at 1:37 PM, Mark Roden <mmroden at gmail.com> wrote:
>> There are several datasets on that page that are not valid.
>>
>> For instance, the Cerebrix set contains a secondary image capture with
>> malformed spacing information that was the basis for the long-running
>> failing GDCM test.
>>
>> If we want to trust them, we can go ahead with that.  But the Osirix
>> images I tested earlier were not tiled, just straight up single tile
>> images, one per plane.
>>
>> Mark
>>
>> On Fri, Apr 15, 2011 at 10:04 AM, Luis Ibanez <luis.ibanez at kitware.com> wrote:
>>> Alex, Drew, Mark,
>>>
>>> Could you please check out the image that Bill found,
>>> and let us know if they are what you were asking for
>>> today at the DICOM tcon ?
>>>
>>>
>>>     Thanks
>>>
>>>
>>>           Luis
>>>
>>>
>>> ----
>>> PS. Thanks Bill !
>>> ------------------------------------------------
>>> On Fri, Apr 15, 2011 at 12:38 PM, Bill Lorensen <bill.lorensen at gmail.com> wrote:
>>>> And here:
>>>> Compression working group test images (uncompressed, JPEG, JPEG-LS and J2K
>>>> ftp://medical.nema.org/MEDICAL/Dicom/DataSets/WG04/
>>>>
>>>> I used this really cool tool called google to find them ;-)
>>>>
>>>> On Fri, Apr 15, 2011 at 12:08 PM, Bill Lorensen <bill.lorensen at gmail.com> wrote:
>>>>> Luis,
>>>>>
>>>>> This page: http://pubimage.hcuge.ch:8080/ clains that all of the files
>>>>> are JPEG2000.
>>>>>
>>>>> Bill
>>>>>
>>>>> On Fri, Apr 15, 2011 at 11:31 AM, Luis Ibanez <luis.ibanez at kitware.com> wrote:
>>>>>> As part of the ITKv4 refactoring effort we
>>>>>> are improving DICOM support in GDCM:
>>>>>>
>>>>>> http://www.itk.org/Wiki/ITK_Release_4/DICOM
>>>>>>
>>>>>> One of the functionalities that we are adding
>>>>>> support for, is the use of DICOM compressed
>>>>>> tiled images (e.g. with JPEG2000).
>>>>>>
>>>>>> In order to verify and test this functionality we
>>>>>> are looking for one (or several) DICOM images
>>>>>> with compression and tiled organization.
>>>>>>
>>>>>> If you have one of these images, we will
>>>>>> appreciate if you could share it with the
>>>>>> ITK community.
>>>>>>
>>>>>>
>>>>>> Please let us know,
>>>>>>
>>>>>>
>>>>>>   Many Thanks
>>>>>>
>>>>>>
>>>>>>         Luis
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>>>>>
>>>>
>>>
>>
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-- 
Mathieu