[Insight-users] Problem to create RGB images

[Alfonso Castro Martinez]

Many thanks. I'll try to apply this solution.

Alfonso Castro Martinez
Faculty of Computer Science
University of A Coruna

Dan Mueller escribió:
> Hi Alfonso,
>
> One option (which would preserve the HU) would be to create separate
> label images associated with each CT series to mark the nodules. These
> label images could then be displayed on top of the CT (with
> transparency if you desire). The CT series could then retain their
> pixel type and the labels take on any pixel type you desire (eg.
> unsigned char). ITK-SNAP ( http://www.itksnap.org ) does something
> similar to display the contour extracted from a level-set.
>
> HTH
>
> Cheers, Dan
>
> Alfonso Castro Martinez wrote:
>> We are using ITK 3.0.2 in linux to manipulate CTs in DICOM of lung
>> nodules from LIDC. In this database each CT serie has associated a
>> XML file with information about the position of the nodules and other
>> information about them.
>>
>> We are developing an application to read each XML file and it shows
>> the nodules in each CT in different colours depending about
>> information of the nodule. We are trying to create RGB images using
>> the itk::RGBPixel.
>>
>> The problem is we want to conserve the Hounsfield units in the CT,
>> however we can't be able to make it because the values of the pixels
>> must be unsigned char or unsigned short int.
>>
>> Are there some method in ITK to create a RGB image with the
>> Hounsfield units?
>>
>> Thanks.
>>
>> Alfonso Castro Martinez
>> Faculty of Computer Science
>> University of A Coruna
>> Spain
>>
>> _______________________________________________
>> Insight-users mailing list
>> Insight-users at itk.org
>> http://www.itk.org/mailman/listinfo/insight-users
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