Figure 1

An example of DL-based image quality improvement on nonenhanced T1-weighted VWI. Conv-VWI (A) displays acceptable image quality and good wall-to-lumen contrast. DL-VWI (B) show excellent suppression of noise with well-preserved contrast. Especially, vessel walls are more clearly visualized on DL-VWI than on Conv-VWI (magnified views, bifurcation of internal carotid arteries).