Deep Learning-Based Magnetic Resonance-Ultrashort Time of Echo Imaging for Analyzing Degeneration of Intervertebral Disc Cartilage Endplate and Rehabilitation Nursing

Table 1

The scan parameters of T1WI, T2WI, and UTE.

	T1WI	T2WI	UTE
Repetition time (ms)	450	4200	87.3
Time of echo 1 (ms)	20	120	0.029
Time of echo 2 (ms)	—	—	7.2
Flip angle	90°	90°	15°
Layer thickness (mm)	2.5	2.5	2.5
Layer spacing (mm)	1	1	1
Matrix	385 × 258	385 × 258	512 × 512
Number of layers	16	16	32
Echo train length	9	25	—
Scanning time	136 s	110 s	506 s
Number of excitation	1.5	1	1