[Insight-users] sparse images?

[Dan Mueller]

Hi Darren,

You might want to investigate the following Insight Journal submission:
    http://www.insight-journal.org/browse/publication/646

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Cheers, Dan

2009/11/4 Darren Weber <darren.weber.lists at gmail.com>:
>
> I'm working with a very large dataset (1000's of 2D images, size > 1024x1024
> pixels, ushort RGB pixels).  A large portion of these images is background.
>
> A few routines, like saving all the 2D images into a 3D volume, fail with
> segfaults due to malloc errors (on OSX 10.5.8 with 24Gb RAM; using ITK
> 3.16.0).
>
> Is there an image format that provides 'sparse' images?  This implies there
> are no data values for some of the image pixels (is this the same thing as
> transparent background?).
>
> What is an optimal image format for working with this data?
>
> Thanks in advance (TIA),
> Darren
>
>
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