auto contour of external (body)

[Mark]

Hi,

Does anyone have or know of some code that would automatically extract the external (or body) contour from a CT dataset and save it as a structure in planC?
Using the contouring tools in the GUI works, but is painfully time consuming.

Thanks in advance,
Mark

[Ken Ulin]

If your data set has dose and the dose grid encompasses the CT, you could select a low isodose contour that coincides with the body contour and convert it to a structure.

 

Ken

 

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[Mark]

Thanks, but in some cases there may be bolus and if so then using that method will encompass the bolus, which we don't want.

[andrew.fi...@gmail.com]

There is a function called getPatientOutline in the CERR distribution, in the Contouring folder. It creates a binary mask of the patient from which you can then  extract the edge pixels of the mask on each slice and create a contour on each slice. 

[Iyer, Aditi]

Yes, you can use getPatientOutline. Please see our wiki entry https://github.com/cerr/CERR/wiki/Extract-patient-outline for sample code and additional information.

 

Best,

Aditi

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