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Table 2 Contour overlap validation between a single operator and geometrical model with individual parameter variation

From: Semi-automated left ventricular segmentation based on a guide point model approach for 3D cine DENSE cardiovascular magnetic resonance

  4 Guide points 64 Model elements Late systolic initialization α = 0.1 × 10-3β = 0,2 × 10-3
  Apex Mid Base Apex Mid Base Apex Mid Base Apex Mid Base
Dice coefficient 0.85± 0.86± 0.86± 0.80± 0.85± 0.85± 0.89± 0.92± 0.87± 0.81± 0.88± 0.86±
0.03 0.04 0.05 0.14 0.03 0.08 0.03 0.87 0.15 0.03 0.01 0.03
Jaccard coefficient 0.74± 0.76± 0.76± 0.68± 0.73± 0.75± 0.81± 0.85± 0.79± 0.68± 0.78± 0.76±
0.04 0.07 0.08 0.17 0.05 0.11 0.05 0.02 0.21 0.04 0.02 0.05
False positive 0.05± 0.07± 0.06± 0.08± 0.09± 0.05± 0.03± 0.08± 0.04± 0.04± 0.10± 0.08±
0.04 0.04 0.03 0.01 0.05 0.03 0.03 0.02 0.02 0.04 0.08 0.02
False negative 0.22± 0.18± 0.19± 0.26± 0.19± 0.21± 0.17± 0.08± 0.18± 0.28± 0.14± 0.18±
0.05 0.10 0.09 0.19 0.09 0.10 0.06 0.03 0.21 0.06 0.07 0.06