Table 2. Stability evaluation of the proposed network based on five training attempts with the validation set of the fastMRI dataset.

Acceleration	Channels	NMSE		PSNR		SSIM
		PD	PDFS	PD	PDFS	PD	PDFS
4-fold	32	0.00496	0.01094	37.99	36.52	0.9316	0.8671
		0.00550	0.01138	37.52	36.32	0.9271	0.8643
		0.00558	0.01147	37.46	36.29	0.9268	0.8640
		0.00536	0.01128	37.64	36.37	0.9283	0.8652
		0.00548	0.01141	37.54	36.32	0.9272	0.8643
Average		0.00522	0.01118	37.77	36.42	0.9294	0.8657
8-fold	32	0.00938	0.01603	35.19	34.77	0.8939	0.8294
		0.00958	0.01634	35.09	34.72	0.8925	0.8286
		0.00964	0.01634	35.07	34.71	0.8921	0.8285
		0.00957	0.01618	35.10	34.72	0.8925	0.8287
		0.00959	0.01621	35.09	34.72	0.8926	0.8286
Average		0.00958	0.01628	35.09	34.72	0.8926	0.8286