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Published at November 18

Continuous K-space Recovery Network with Image Guidance for Fast MRI Reconstruction

eess.IV

cs.AI

cs.CV

Released Date: November 18, 2024

Authors: Yucong Meng, Zhiwei Yang, Minghong Duan, Yonghong Shi, Zhijian Song

Arxiv: http://arxiv.org/abs/2411.11282v1

Refer to caption

	1D Cartesian mask, sampling ratio = 20%				1D Cartesian mask, sampling ratio = 40%
Method	PSNR↑	SSIM↑	NMSE↓	LPIPS↓	PSNR↑	SSIM↑	NMSE↓	LPIPS↓
ZF	22.57±2.42	0.6994±0.07	0.1406±0.03	0.3158±0.04	23.81±2.46	0.7443±0.06	0.1058±0.03	0.2509±0.04
ResNet[56]	29.23±3.18	0.9249±0.04	0.0323±0.01	0.0416±0.02	32.69±3.27	0.9609±0.02	0.0148±0.01	0.0229±0.01
UNet[26]	30.54±3.43	0.9434±0.03	0.0244±0.01	0.0291±0.01	33.72±3.53	0.9685±0.02	0.0119±0.01	0.0159±0.01
SwinMR[36]	34.15±3.51	0.9652±0.02	0.0123±0.01	0.0133±0.01	37.70±3.57	0.9805±0.01	0.0055±0.00	0.0055±0.01
RefineGAN[57]	32.96±2.58	0.9500±0.01	0.0126±0.01	0.0142±0.01	40.33±3.22	0.9788±0.02	0.0039±0.01	0.0028±0.01
SwinGAN[58]	33.53±3.32	0.9633±0.02	0.0120±0.01	0.0145±0.01	41.42±3.43	0.9891±0.01	0.0031±0.00	0.0022±0.00
OCUCFormer[59]	33.97±3.54	0.9676±0.02	0.0119±0.01	0.0138±0.02	41.26±3.88	0.9897±0.01	0.0028±0.01	0.0020±0.01
Ours	34.40±3.98	0.9710±0.02	0.0113±0.01	0.0132±0.01	41.48±4.09	0.9924±0.01	0.0023±0.00	0.0033±0.00
	2D Gaussian mask, sampling ratio = 20%				2D Gaussian mask, sampling ratio = 40%
ZF	24.49±3.02	0.6020±0.09	0.0924±0.02	0.3774±0.05	27.76±3.01	0.6968±0.07	0.0436±0.01	0.2617±0.05
ResNet[56]	31.47±3.65	0.9446±0.03	0.0199±0.01	0.0326±0.02	34.98±3.58	0.9715±0.02	0.0088±0.00	0.0183±0.02
UNet[26]	33.19±4.07	0.9608±0.03	0.0141±0.01	0.0234±0.02	37.12±4.01	0.9809±0.01	0.0057±0.00	0.0135±0.01
SwinMR[36]	32.89±3.42	0.9420±0.02	0.0155±0.01	0.0172±0.01	35.73±3.28	0.9590±0.02	0.0080±0.00	0.0085±0.01
RefineGAN[57]	36.36±4.01	0.9703±0.02	0.0109±0.01	0.0073±0.01	44.80±3.91	0.9910±0.01	0.0017±0.00	0.0012±0.00
SwinGAN[58]	37.44±3.34	0.9800±0.02	0.0056±0.01	0.0067±0.01	45.67±4.43	0.9954±0.00	0.0009±0.00	0.0010±0.00
OCUCFormer[59]	39.48±3.22	0.9860±0.02	0.0034±0.01	0.0065±0.02	46.78±4.40	0.9877±0.02	0.0010±0.01	0.0009±0.01
Ours	40.61±4.12	0.9888±0.01	0.0029±0.00	0.0056±0.00	47.83±4.18	0.9973±0.00	0.0006±0.00	0.0008±0.00