Problem in thresholding an SEM image

[soroush]

Dear ImageJ users,

I have trouble in thresholding the attached SEM image. There is a shading like network which does not let me threshold the bright phase in the image (it is due to the material imaged and not microscopy). What I tried so far is background correction, shading corrector and high pass filter. Non worked. I appreciate any helpful comment. Thanks.

Soroush

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[Gabriel Landini]

On Monday 08 Apr 2013 10:08:57 soroush wrote:
> I have trouble in thresholding the attached SEM image. There is a shading
> like network which does not let me threshold the bright phase in the image
> (it is due to the material imaged and not microscopy). What I tried so far
> is background correction, shading corrector and high pass filter. Non
> worked. I appreciate any helpful comment. Thanks.

Run a median filter to reduce the noise and try the Auto Local Threshold.
plugin (you can dowload the jar from my page)
Try using the "try all" option. There are 2 or 3 of the methods that seem to
work quite well.

Cheers

Gabriel

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[soroush]

Thank you all for your wise and useful hints. 


________________________________
 From: Gabriel Landini <[hidden email]>
To: [hidden email]
Sent: Wednesday, April 10, 2013 2:48 PM
Subject: Re: Problem in thresholding an SEM image
 

On Monday 08 Apr 2013 10:08:57 soroush wrote:
> I have trouble in thresholding the attached SEM image. There is a shading
> like network which does not let me threshold the bright phase in the image
> (it is due to the material imaged and not microscopy). What I tried so far
> is background correction, shading corrector and high pass filter. Non
> worked. I appreciate any helpful comment. Thanks.

Run a median filter to reduce the noise and try the Auto Local Threshold.
plugin (you can dowload the jar from my page)
Try using the "try all" option. There are 2 or 3 of the methods that seem to
work quite well.

Cheers

Gabriel

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

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