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. Author manuscript; available in PMC: 2024 Apr 30.
Published in final edited form as: IEEE Trans Med Imaging. 2024 Mar 5;43(3):1259–1269. doi: 10.1109/TMI.2023.3331982

Table IV. KL divergence and Wasserstein distance between synthetic data distribution and real data distribution.

Distribution similarity Kullback–Leibler (KL) divergence Wasserstein Distance (WD)
LVEDV LVESV RVEDV RVESV LVM LVEDV LVESV RVEDV RVESV LVM
CGAN [34] 0.023 ±0.001 0.019 ±0.001 0.036±0.004 0.022 ±0.001 0.050±0.006 33.687±1.173 19.982±0.025 41.643±4.161 17.434±0.036 35.395±2.933
CVAE [48] 0.039±0.005 0.041±0.004 0.042±0.004 0.034±0.003 0.030±0.003 11.929 ±2.116 7.017±0.964 14.680±2.869 9.665±1.051 10.365±1.703
CVAE-GAN [6] 0.153±0.025 0.023±0.003 0.046±0.006 0.064±0.008 0.098±0.019 27.001±2.809 8.425±1.771 24.614±3.202 9.748±2.675 43.251±4.566
Proposed 0.034±0.002 0.043±0.002 0.034 ±0.002 0.039±0.002 0.031 ±0.002 15.053±3.597 5.773 ±1.358 12.214 ±2.408 9.182 ±2.145 9.215 ±1.713