Hi,
You will lose quality if you go to 8-bit - I would recommend
going to 32-bit instead.
All the best,
Mark
On 11 May 2009, at 17:32, Mi Jung Kim wrote:
> Hi Mark,
>
> Thank you for your answer. Yes, my images unsigned 16bit. I will try
> to use as 8bit to see whether it works for my further analysis.
>
> Thanks a lot!
>
> Sincerely,
>
> Mi Jung
>
> On Mon, May 11, 2009 at 8:46 AM, Mark Jenkinson
> <[log in to unmask]> wrote:
> Hi,
>
> You cannot have an Analyze format image with 16 bit unsigned data.
> The only integer options in the Analyze format are unsigned 8-bit,
> signed 16-bit and signed 32-bit. With FSL we still restrict our
> outputs
> to these formats, but since you want an Analyze image then it is just
> not possible with any software.
>
> Are you sure that your images are unsigned 16-bit? If all of your
> values are between 0 and 32767 then it doesn't matter if it is
> signed or unsigned as they will represent the same thing. Check this
> first, and if it is the case then just stick with the 16-bit signed
> format.
> If not, then you'll need to convert to a 32-bit format to store it
> correctly in an Analyze file.
>
> All the best,
> Mark
>
>
>
>
>
> On 11 May 2009, at 16:34, Mi Jung Kim wrote:
>
> Hi,
>
> I have raw images 16bit unsigned. I need to convert them to analyze
> format.
> I used fslcreatehd for that, but the output was 16bit signed. Is
> there any
> body who can help?
>
> Thanks,
>
> MJ
>
>
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