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Cardiac Chamber
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Pg-GAN
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Actual pat. MRI
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p-value
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|---|
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Percent Variation
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Long axis view:
|
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Left Ventricle
|
0.021 [0.017–0.027]
|
0.014 [0.012–0.018]
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< 0.0001
|
|
Right Ventricle
|
0.019 [0.016–0.024]
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0.016 [0.012–0.022]
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< 0.0001
|
|
Right Atrium
|
0.014 [0.011–0.018]
|
0.011 [0.009–0.014]
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< 0.0001
|
|
Short axis view:
|
|
Left Ventricle
|
0.013 [0.010–0.019]
|
0.013 [0.010–0.017]
|
0.41
|
|
Right Ventricle
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0.035 [0.025–0.042]
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0.036 [0.028–0.050]
|
0.003
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Dice Metric
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Long axis view:
|
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Left Ventricle
|
0.978 [0.973–0.983]
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0.986 [0.982–0.988]
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< 0.0001
|
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Right Ventricle
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0.981 [0.976–0.984]
|
0.984 [0.978–0.988]
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< 0.0001
|
|
Right Atrium
|
0.986 [0.983–0.989]
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0.989 [0.985–0.991]
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< 0.0001
|
|
Short axis view:
|
|
Left Ventricle
|
0.987 [0.982–0.991]
|
0.987 [0.983–0.990]
|
0.45
|
|
Right Ventricle
|
0.965 [0.958–0.975]
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0.964 [0.951–0.972]
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0.002
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- Comparison between the segmentation accuracy (percent variation and Dice metric) between U-Net based segmentation models trained entirely on synthetic frames generated by the generative adversarial network (PG GAN) and those trained on actual patient magnetic resonance imaging (MRI) frames. p-values were calculated using a paired non-parametric test
