. Author manuscript; available in PMC: 2021 Nov 12.

Published in final edited form as: IEEE Trans Med Imaging. 2021 Oct 27;40(11):3154–3164. doi: 10.1109/TMI.2021.3076191

TABLE IV.

Ablation Study on Our MDPET in Terms of Denoising. ± LSTM Means MDPET With or Without BiConvLSTM and ± GAN Means MDPET With or Without Adversarial Learning.

Method-mean(std)	NMAE	SSIM	PSNR
Ours-LSTM-GAN	.1058(.0140)	.9587(.0063)	30.95(1.89)
Ours+LSTM-GAN	.0921(.0137)	.9613(.0062)	31.64(1.88)
Ours+LSTM+GAN	.0883(.0133)^*	.9669(.0054)^*	32.28(1.89)^*

^“*”

Means the Difference to the Baseline (1st Row) Are Significant at p < 0.05