Fwd: 64-bit RGB

[Sarah Locknar]

Hi All-
Does anyone know if there's a way to open a 64-bit RGB file so it's not
reduced to 24-bit?  I need all the bits since my signal is quite small.
 I'm running ImageJ 1.46r.
Thanks
Sarah

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[Herbie-3]

Sarah,

I have no idea what 64 bit RGB images could mean. Are these images with
four channels, e.g. RGB with an alpha channel, each channel of 16 bit?
As far as I remember, the usual 48 bit RGB images can be imported to
ImageJ as stack.

More information on the image structure may help to diagnose the problem.

Best

Herbie

On 13.08.13 19:00, Sarah Locknar wrote:
> Hi All-
> Does anyone know if there's a way to open a 64-bit RGB file so it's not
> reduced to 24-bit?  I need all the bits since my signal is quite small.
>   I'm running ImageJ 1.46r.
> Thanks
> Sarah
>

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[ctrueden]

Hi Sarah,

Herbie Gluender wrote:
> Are these images with four channels, e.g. RGB with an alpha channel,
> each channel of 16 bit?

I am also interested to see one of your example 64-bit RGB images. Which
file format? TIFF? PNG? Something else?

Did you try opening your file using the File > Import > Bio-Formats command
(available as part of the Fiji distribution of ImageJ; http://fiji.sc/)? Do
you get 4 separate 16-bit channels then?

If not, please feel free to send a sample non-working file to us using
Fiji's Help > Upload Sample Image command.

Thanks,
Curtis


On Tue, Aug 13, 2013 at 12:49 PM, Herbie <[hidden email]> wrote:

> Sarah,
>
> I have no idea what 64 bit RGB images could mean. Are these images with
> four channels, e.g. RGB with an alpha channel, each channel of 16 bit? As
> far as I remember, the usual 48 bit RGB images can be imported to ImageJ as
> stack.
>
> More information on the image structure may help to diagnose the problem.
>
> Best
>
> Herbie
>
>
> On 13.08.13 19:00, Sarah Locknar wrote:
>
>> Hi All-
>> Does anyone know if there's a way to open a 64-bit RGB file so it's not
>> reduced to 24-bit?  I need all the bits since my signal is quite small.
>>   I'm running ImageJ 1.46r.
>> Thanks
>> Sarah
>>
>>
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> ImageJ mailing list: http://imagej.nih.gov/ij/list.**html<http://imagej.nih.gov/ij/list.html>
>

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