In the radiomics plugin in 3d slicer, is the Log kernel size filled in 3.5? And for CT images with layer thickness of 2-5mm, should use 3.3.3 or 1.1.1 for resampling?

Community Radiomics
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In the radiomics plugin in 3d slicer, is the Log kernel size filled in 3.5? And for CT images with layer thickness of 2-5mm, should use 3.3.3 or 1.1.1 for resampling?