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Re: "Pie" Segmentation

Posted by Bo de Lange on Jul 25, 2005; 8:59pm
URL: http://imagej.273.s1.nabble.com/Pie-Segmentation-tp3705163p3705164.html

Have a look at a macro I wrote for something completely different.  
http://rsb.info.nih.gov/ij/macros/tools/MeasurePieSegmentsTool.txt
You will need to alter the angles I put in for my work, and use your  
own. You might also want to do two measurements: one with a small  
radius (inner segement) one for a larger radius (inner and outer  
segment). Perhaps you can even subtract on inner segment from the  
outer as you go along.

Bo


On Jul 25, 2005, at 5:23 PM, Gary Laevsky wrote:

> Hello All,
>
> I received a great deal of help with my last inquiry so I'm dipping  
> into the well again (one day, I hope to be a supplier).
>
> I have an image of a cartilage disc.  First, I would like to  
> segment this image into "pie" shaped portions, 10 degrees each  
> (different conditions for different regions around the disc).  Then  
> this will be segmented into inner and outer portions.  We will be  
> analyzing the outer capsule of this disc as compared to the inner  
> capsule, within each pie section.
>
> I think this is pretty complex and I truly do appreciate any help I  
> get.
>
> Thanks again in advance.
> Best,
>
> Gary
>
>
>
> Gary Laevsky, Ph.D.
> Keck Facility Manager, CenSSIS
> Northeastern University
> 302 Stearns
> 360 Huntington Ave.
> Boston, MA 02115
> voice(617) 373 - 2589<br>
> fax(617) 373 - 7783<br><br>
>
> http://www.censsis.neu.edu
>
> http://www.ece.neu.edu/groups/osl
>
> http://www.keck3dfm.neu.edu
>