Re: Substract diffuse reflection.... #2

Posted by Till Bretschneider on Oct 25, 2006; 8:53am
URL: http://imagej.273.s1.nabble.com/Substract-diffuse-reflection-tp3701147p3701148.html

Liisa,

option #2: you can blur your image repeatedly by using Process->Smooth
until you see no more fine structures in the background.
Then dubsract the smoothed image from the original using Process->Image
Calculator

Till

Liisa Palomaa wrote:

> Hi..
>
> I have just start to use ImageJ, so I have no idea if I can do what I
> want. I hope someone knows if it is possible and how. I have some
> images- that I want to substract the diffuse reflection from and only
> have the specular reflection in the final image. The images is a
> result from scanning some boards. Here is one of the images:
>
> http://img164.imageshack.us/img164/5372/t2img1vw6.png
>
> The "black hole" is missing data.....
>
> The reason why I want to substract the diffuse reflection is that I
> think it is easier to be able to see the fiber orientation in the
> wood.
>
> Thanks in advance
>
> Liisa
>
>

--
Dr. Till Bretschneider
AG Celldynamics (Gerisch)
Max-Planck-Institut fuer Biochemie
Am Klopferspitz 18a
D-82152 Martinsried, Germany

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