Retrospective Study
Copyright ©The Author(s) 2023.
World J Gastroenterol. Feb 7, 2023; 29(5): 879-889
Published online Feb 7, 2023. doi: 10.3748/wjg.v29.i5.879
Table 1 Details of the training set data and test set data
Lesion typeLesion morphologyNumber of pictures/pieces
Training set
Test set
TelangiectasiaRed cluster83838
Red spider nevus1624
Venous dilatationRed branched75238
Blue branched25831088
Vein tumorBlue cluster3058332
Table 2 Comparison of model accuracy
Network type
PPV (%)
NPV (%)
mIOU
PA (%)
Parameter (M)
Float calculation amount (G)
Time (s)
PSPNet85.1498.620.649851.43829.100.9
DeeplabV3+45.0799.750.598959.34397.000.95
UperNet92.5595.690.6998126.0834.940.9
Our model94.2798.740.699946.38467.20.6