Traumatic Brain Magnetic Resonance Imaging Feature Extraction Based on Variable Model Algorithm in Stroke Examination

Table 1

Conventional MRI parameters.

Parameter	Axis position T2WI	Axis position T1WI	Axis position FLAIR	Sagittal position T1WI	Axis position DWI	SWI	3D TOF MRA
TR (ms)	4500	400	8400	200	2400	25	21
TE (ms)	97	2.5	105	2.48	50	18.5	3.5
FOV (mm)	250 × 250	250 × 250	250 × 250	250 × 250	250 × 250	250 × 250	220 × 220
Layer thickness (mm)	6	6	6	6	6	2	0.5
Number of incentives	1	1	1	1	1	1	1
Matrix	320 × 320	320 × 320	320 × 320	320 × 320	160 × 160	521 × 521	320 × 320
Scanning time (s)	62	48	115	50	64	216	216