Unpaired Low-Dose CT Denoising Network Based on Cycle-Consistent Generative Adversarial Network with Prior Image Information

Table 2

Quantitative evaluation of results by different algorithms on 180 slices in the test dataset.

	PSNR	SSIM	NMAD
LDCT	27.6514 ± 1.3862	0.8698 ± 0.0375	0.1124 ± 0.0174
BM3D	32.2185 ± 0.9599	0.9271 ± 0.0245	0.0681 ± 0.0087
CycleGAN	29.0833 ± 0.8661	0.9059 ± 0.0263	0.0890 ± 0.0096
CycleGAN-BM3D	34.3577 ± 0.1475	0.9798 ± 0.0041	0.0583 ± 0.0012