[ITK] Fwd: Fwd: N4BiasCorrection output size

[Vishwanathan Shreyas]

Hi Džena,

Thanks for the advice! Can u tell me if there will be information loss on
conversion to Int16?

Regards,
Shreyas

On Mon, Jan 23, 2017 at 11:20 PM, Dženan Zukić <dzenanz at gmail.com> wrote:

> 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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>>
>
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