DiscardNegative¶

MLModule¶

genre	`Image`
author	`MeVis Medical Solutions AG`
package	`MeVisLab/Standard`
dll	`MLBasicModules`
definition	mlBasicModules.def
see also	`Threshold`, `IntervalThreshold`
keywords	`remove`, `voxel`, `value`

Purpose¶

The module DiscardNegative replaces negative image values by 0.

GE CT scanners set voxels outside the field of view (FOV) to -2000 (i.e., -3024 Hounsfield Units) to mark them as invalid.