Re: Query about the use of the MRI Wound Assay Tool

Posted by Volker Baecker on Feb 23, 2017; 10:33am
URL: http://imagej.273.s1.nabble.com/Re-Query-about-the-use-of-the-MRI-Wound-Assay-Tool-tp5018176p5018177.html

I forgot step

5.5  Edit>Selection>Make Inverse

Best regards,
Volker Bäcker


Volker Baecker:

> Hello Charmaine,
> you can see the result I get on the image in the attachment. I'd say it
> doesn't look to bad. But you have to see if it works for more than one
> image. What I did:
>
> Install the macro toolset from the attachment by copying it into the
> folder macros>toolsets of your *FIJI* installation.
>
> Install the plugins FeatureJ and MorphoLibJ.
>
> Restart FIJI and select the toolset.
>
> 1. Right-click on the m-button of the toolset and set the parameter
> values as following:
>
> radius close: 8
> radius open: 5
> radius big close: 22
> min. size: 100000
> sigma for coherency: 1.4
> window size for coherency: 3
>
> 2. Process>Subtract Background  with radius 15 and light background
> selected.
>
> 3. Edit>Invert
>
> 4. Image>Adjust Brightness & Contrast, Auto
>
> 5. Press the m-button of the toolset
>
> 6. File>Revert to see the result on your original image.
>
> Best regards,
> Volker Bäcker
>
> Charmaine Lo:
>> Dear Dr. Baecker,
>>
>>
>> My name is Charmaine Lo, an honours research student at the
>> University of Newcastle, Australia.  I've recently come across your
>> MRI Wound Healing Tool and have tried to implement it to our lab
>> pictures to get more accurate and faster measurements of our wounds.
>>
>>
>> The MRI tool works correctly using the sample pictures given on your
>> website.  Unfortunately, the tool doesn't work for our own lab
>> pictures.
>>
>>
>> I have attached three pictures: one that is original (8bit), and one
>> with the MRI measurement, and one with the MRI measurement after
>> converting the original to 16bit.
>>
>>
>> I already implemented your advice on your site and tried adjusting
>> the picture to no effect. I was wondering whether you may have any
>> advice you can give?
>>
>>
>> I fully appreciate your time in helping us, and for making this tool
>> and helping so many researchers worldwide.
>>
>>
>> Kind regards,
>>
>> Charmaine Lo
>>
>>
>>
>
>
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>

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