Table 4 Comparison of segmentation performance between deep learning networks for combined dataset of three major vessels. The highest F1 score was shown in bold.

From: Deep learning segmentation of major vessels in X-ray coronary angiography

 

SimpleUNet

ResNet101

DenseNet121

InceptionResNet-v2

Internal dataset

 

Re

Pr

F1

Re

Pr

F1

Re

Pr

F1

Re

Pr

F1

Total (n = 3302)

0.869 ± 0.151

0.885 ± 0.125

0.871 ± 0.130

0.915 ± 0.117*

0.916 ± 0.106*

0.913 ± 0.108*

0.921 ± 0.112*†§

0.918 ± 0.103*

0.917 ± 0.103*†

0.915 ± 0.116*

0.920 ± 0.105*†‡

0.915 ± 0.107*

RCA (n = 1021)

0.915 ± 0.112

0.929 ± 0.076

0.918 ± 0.086

0.941 ± 0.084*

0.939 ± 0.068*

0.937 ± 0.071*

0.945 ± 0.071

0.940 ± 0.064*

0.940 ± 0.058*

0.943 ± 0.072*

0.942 ± 0.063*

0.940 ± 0.058*

LAD (n = 1439)

0.872 ± 0.141

0.882 ± 0.114

0.872 ± 0.119

0.921 ± 0.104*

0.917 ± 0.090*

0.916 ± 0.094*

0.928 ± 0.094*†§

0.920 ± 0.085*

0.922 ± 0.084*

0.919 ± 0.105*

0.922 ± 0.094*†‡

0.918 ± 0.095*

LCX (n = 842)

0.809 ± 0.186

0.837 ± 0.166

0.813 ± 0.166

0.875 ± 0.156*

0.887 ± 0.151*

0.878 ± 0.150*

0.878 ± 0.158*

0.888 ± 0.150*

0.879 ± 0.153*

0.875 ± 0.158*

0.890 ± 0.148*

0.879 ± 0.151*

External dataset

 

Re

Pr

F1

Re

Pr

F1

Re

Pr

F1

Re

Pr

F1

Total (n = 181)

0.764 ± 0.251

0.855 ± 0.202

0.791 ± 0.226

0.846 ± 0.232*

0.871 ± 0.191

0.849 ± 0.214*

0.898 ± 0.155*

0.904 ± 0.126*

0.896 ± 0.138*

0.887 ± 0.172*

0.905 ± 0.144*†

0.890 ± 0.161*†

RCA (n = 63)

0.876 ± 0.172

0.934 ± 0.051

0.891 ± 0.126

0.918 ± 0.135

0.921 ± 0.075

0.911 ± 0.112

0.931 ± 0.096*

0.925 ± 0.062

0.924 ± 0.066

0.939 ± 0.072*

0.928 ± 0.073

0.930 ± 0.058*

LAD (n = 66)

0.788 ± 0.205

0.855 ± 0.173

0.814 ± 0.183

0.882 ± 0.185*

0.876 ± 0.179

0.878 ± 0.179*

0.914 ± 0.127*

0.901 ± 0.126

0.906 ± 0.122*

0.887 ± 0.146*

0.915 ± 0.090*†‡

0.892 ± 0.140*

LCX (n = 52)

0.599 ± 0.299

0.758 ± 0.292

0.638 ± 0.284

0.714 ± 0.314*

0.805 ± 0.271

0.738 ± 0.294*

0.836 ± 0.218*†

0.884 ± 0.174*

0.848 ± 0.197*†

0.825 ± 0.252*†

0.864 ± 0.232*

0.837 ± 0.239*†

  1. Re, recall; Pr, precision; F1, F1 score; RCA, right coronary artery; LAD, left anterior descending artery; LCX, left circumflex artery. *, †, ‡ and § denote p < 0.05 versus the corresponding metrics of SimpleUNet, ResNet101, DenseNet121 and InceptionResNet-v2, respectively. p < 0.001 for all the evaluation metrics in the internal dataset when comparing SimpleUNet and one of the other deep networks.