Advanced Skills in Modern Radiotherapy 2018

Auto – Segmentation

• Image content or greyscale method ➢

Appropriate for very high or low contrast structures

• Segmentation without prior knowledge

• Widely available (e.g. flood fill, spindle snake)

• “Common errors include…using the auto-threshold contouring tools in the TPS and not editing the resulting errors” (Gay et al., 2012)

Whitfield G et al., Automated delineation of radiotherapy volumes: are we going in the right direction? BJR. 2013 86(1021): 20110718