Fig. 10From: Comparison of Otsu and an adapted Chan–Vese method to determine thyroid active volume using Monte Carlo generated SPECT imagesDSC for 50 ml phantom. DSC of Chan–Vese and Otsu method, per relative background activity concentration (rows from bottom to top show 5 %, 10 %, 15 % and 20 %) and relative hotspot activity concentration (columns from left to right show 100 %, 150 %, 200 % and 250 %)Back to article page