Research Article

Fine-Grained Lung Cancer Classification from PET and CT Images Based on Multidimensional Attention Mechanism

Table 3

Evaluation of different fusion strategies.

Network architectureDataAUCBalanced accuracy
Score of each categoryAverage scoreVariance

MFSCA-DenseNet (GMU)CT + PETLUSC0.8430.8400.070.67
LUAD0.899
SCLC0.868

MFSCA-DenseNet (GMU + joint optimization)CT + PETLUSC0.9380.9200.050.72
LUAD0.910
SCLC0.913

MFSCA-DenseNet (connection)CT + PETLUSC0.7710.8010.120.63
LUAD0.703
SCLC0.885

MFSCA-DenseNet (connection + joint optimization)CT + PETLUSC0.7880.8150.100.65
LUAD0.759
SCLC0.897