Cerebral Arterial Stenosis Detection Based on a Retained Two-Stage Detection Algorithm

Figure 11

Prediction of retrained Libra R-CNN. (a) Raw image, (b) Libra R-CNN, (c) Libra R-CNN + dcn, (d) Libra R-CNN + dcn + non-local, and (e) Libra R–CNN + dcn + nonlocal + cascade detector.