Fig. 4.
IVPA/IVUS imaging results with blood flushing. (a), (b) 3D fused IVPA/IVUS images of artery segment 1 with and without blood flush, respectively; (c), (d) 3D fused IVPA/IVUS images of artery segment 2 with and without blood flush, respectively; (e) - (g) IVPA, IVUS and IVPA/IVUS fused B-scan images of (a); (h) - (j) IVPA, IVUS and IVPA/IVUS fused B-scan images of (b), the location is corresponding to that in (e)-(g); (k) - (m) IVPA, IVUS and IVPA/IVUS fused B-scan images of (c); (n) - (p) IVPA, IVUS and IVPA/IVUS fused B-scan images of (d), the location is corresponding to that in (k) - (m).