How to shrink / enlarge a particular ROI?

[Trupti Thite]

Hi, I am trying to find a plug-in in ImageJ which can shrink / expand a ROI
by "certain percentage". Does anyone know how to do this?

I am trying to calculate fluorescence intensity on cell membrane vs
cytosol.

I know 2 plug-ins which can do this by either a pixel or a micron. But I am
looking for something which can be done by percentage as my images are not
acquired at same magnification.

Thanks,
Trupti.

--
Trupti Thite
PhD Student,
Dr. Nagaraj Balasubramanian Lab,
IISER,
Pune.

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[Michael Schmid]

On Jul 7, 2015, at 11:16, Trupti Thite wrote:

> Hi, I am trying to find a plug-in in ImageJ which can shrink / expand a ROI
> by "certain percentage". Does anyone know how to do this?

What about the built-in command Edit>Selection>Scale ?

Michael

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ImageJ mailing list: http://imagej.nih.gov/ij/list.html

[gankaku]

Hi Trupti,

> Edit > Selection >Enlarge...
But this is done in pixels. So, you need to calculate your percentage first.

Cheers,
Jan
Am 07.07.2015 11:29 schrieb "Trupti Thite" <[hidden email]>:

> Hi, I am trying to find a plug-in in ImageJ which can shrink / expand a ROI
> by "certain percentage". Does anyone know how to do this?
>
> I am trying to calculate fluorescence intensity on cell membrane vs
> cytosol.
>
> I know 2 plug-ins which can do this by either a pixel or a micron. But I am
> looking for something which can be done by percentage as my images are not
> acquired at same magnification.
>
> Thanks,
> Trupti.
>
> --
> Trupti Thite
> PhD Student,
> Dr. Nagaraj Balasubramanian Lab,
> IISER,
> Pune.
>
> --
> ImageJ mailing list: http://imagej.nih.gov/ij/list.html
>

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ImageJ mailing list: http://imagej.nih.gov/ij/list.html