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Incorrect DVH for very small ROIs #340

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fraghag opened this issue Jan 20, 2023 · 1 comment
Open

Incorrect DVH for very small ROIs #340

fraghag opened this issue Jan 20, 2023 · 1 comment

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@fraghag
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fraghag commented Jan 20, 2023

We are using dicompyler-core for calculating DVH from DICOM files. We are seeing a weird behaviour for very small ROIs (<0.5 cm^3) where the last dX values before d100 are zero even tough d100 isn't:

d96 = 7621.00
d97 = 0.00
d98 = 0.00
d99 = 0.00
d100 = 7620.00

Guessing it has to do with how the algorithm handles a low voxel count.
@bastula
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bastula commented Jan 20, 2023

Thank you for submitting this issue. I will try to reproduce, but if possible could you send an anonymized dataset?

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@bastula @fraghag