[ITK] Fwd: N4BiasCorrection output size

[Dženan Zukić]

Hi Shreyas,

more likely reason is that you did not turn on compression in the
ImageFileWriter. And casting the output back to int16 would decrease the
size further.

Regards,
Dženan

On Mon, Jan 23, 2017 at 11:50 AM, Vishwanathan Shreyas <
shreyas122011 at gmail.com> wrote:

> Hi,
>
> I'm using SimpleITK on python. I wanted to perforn N4 bias correction on
> the MICCAI BRATS database. For that, first I cast the images to Float32,
> which were initially Int16 and then passed it to the filter.
>
> When I saved the output on disk, I found a huge gap between the input and
> output sizes.
>
> INPUT: ~2MB
> OUPUT: ~33MB !!!
>
> I know that float takes more space, but can we cast the output to Int16
> again without loss of information(as I don't believe float pixel values
> mean anything)?
>
> Thanks,
> Shreyas
>
>
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