Table 2 Mean segmentation Dice score for the different targets and evaluations in both SCAPIS and IGT Datasets
From: Automatic segmentation of large-scale CT image datasets for detailed body composition analysis
Segmentation target | Experimental results | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
SCAPIS | IGT | |||||||||||||||
ResUNET | UNET++ | Ghost-UNET | Ghost-UNET++ | ResUNET | UNET++ | Ghost-UNET | Ghost-UNET++ | |||||||||
CV | Test | CV | Test | CV | Test | CV | Test | CV | Test | CV | Test | CV | Test | CV | Test | |
Liver slice | ||||||||||||||||
Liver accurate | 0.989 | – | 0.994 | – | 0.986 | – | 0.989 | – | – | – | – | – | – | – | – | – |
Liver crude | 0.917 | 0.928 | 0.986 | 0.985 | 0.969 | 0.971 | 0.979 | 0.978 | 0.961 | 0.967 | 0.987 | 0.985 | 0.982 | 0.979 | 0.982 | 0.981 |
Spleen | 0.966 | – | 0.993 | – | 0.976 | – | 0.978 | – | – | – | – | – | – | – | – | – |
Abdomen slice | ||||||||||||||||
VAT | 0.967 | 0.968 | 0.973 | 0.974 | 0.967 | 0.961 | 0.972 | 0.978 | 0.967 | 0.971 | 0.973 | 0.976 | 0.965 | 0.967 | 0.973 | 0.970 |
IPAT | 0.955 | 0.954 | 0.979 | 0.973 | 0.943 | 0.935 | 0.957 | 0.951 | – | – | – | – | – | – | – | – |
RPAT | 0.966 | 0.951 | 0.975 | 0.966 | 0.952 | 0.938 | 0.954 | 0.942 | – | – | – | – | – | – | – | – |
SAT | 0.993 | 0.993 | 0.990 | 0.996 | 0.991 | 0.992 | 0.994 | 0.994 | 0.992 | 0.993 | 0.995 | 0.996 | 0.993 | 0.992 | 0.995 | 0.994 |
DSAT | 0.946 | 0.941 | 0.972 | 0.973 | 0.926 | 0.944 | 0.951 | 0.951 | – | – | – | – | – | – | – | – |
SSAT | 0.955 | 0.947 | 0.968 | 0.959 | 0.913 | 0.921 | 0.925 | 0.928 | – | – | – | – | – | – | – | – |
Spine bone marrow | 0.979 | 0.949 | 0.993 | 0.984 | 0.979 | 0.976 | 0.985 | 0.979 | – | – | – | – | – | – | – | – |
Skeleton muscle | 0.971 | 0.976 | 0.988 | 0.982 | 0.973 | 0.972 | 0.974 | 0.975 | – | – | – | – | – | – | – | – |
Thigh slice | ||||||||||||||||
IMAT | 0.909 | 0.918 | 0.927 | 0.931 | 0.904 | 0.906 | 0.910 | 0.912 | 0.906 | 0.913 | 0.914 | 0.916 | 0.897 | 0.895 | 0.905 | 0.904 |
Muscle | 0.996 | 0.996 | 0.996 | 0.995 | 0.991 | 0.993 | 0.994 | 0.996 | 0.996 | 0.995 | 0.996 | 0.996 | 0.994 | 0.993 | 0.995 | 0.993 |
SAT | 0.988 | 0.988 | 0.992 | 0.991 | 0.985 | 0.986 | 0.987 | 0.988 | 0.989 | 0.989 | 0.991 | 0.992 | 0.985 | 0.983 | 0.988 | 0.987 |
Average dice score | 0.964 ± 0.025 | 0.959 ± 0.024 | 0.981 ± 0.017 | 0.976 ± 0.017 | 0.961 ± 0.028 | 0.958 ± 0.027 | 0.968 ± 0.025 | 0.964 ± 0.026 | 0.968 ± 0.031 | 0.972 ± 0.028 | 0.976 ± 0.028 | 0.977 ± 0.028 | 0.969 ± 0.034 | 0.968 ± 0.034 | 0.973 ± 0.032 | 0.972 ± 0.032 |