Hi Tobias,
Thanks a lot!
charlie
Am 31.03.15 19:05, schrieb Norajitra, Tobias:
Hi Charlie,
There is a possibility: select an arbitrary region from the preview
list (or any combination of regions), and save the segmentation from
the Binary_Preview data node which can then be found in the data
manager. The segmentation is updated for changing selections, so you
can repeat the process for all regions of interest.
For increasing numbers of regions, computation time becomes excessive
indeed. For more insight to that, you can have a look at the
itk::OtsuMultipleThresholdsImageFilter implementation.
Best regards, Tobias
*Von:*Charlotte Debus [mailto:[email protected]]
*Gesendet:* Dienstag, 31. März 2015 14:21
*An:* [email protected]
*Betreff:* [mitk-users] Question concerning Otsu Threshold segmentation
Hi everybody,
I have a question concerning the Otsu threshold tool: Is there a
possibility to save all calculated regions? Currently, if I segment
into lets say 4 regions, I can only confirm the segmentation for one
region, but the the other regions are lost. I want to segment a
Head&Neck CT into different Tissue types and then calculate the Mean
HU of every segment. But this way, i have to run the Otsu threshold
for each tissue again.
Furthermore, if i choose more than 7 regions, the calculation time
goes mad, after 2 hours its still not finished. Is there something I
can do about this?
Cheers Charlie
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