Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Illustration of the fully-automated lumen segmentation procedure. Image (a) shows the polar domain image. Image (b) illustrates the application of the Otsu’s method and morphological operations and image (c) results of the area constrain. Image (d) and (e) show segmentation results before and after scan-conversion respectively. On image (a) the arrow is pointing to the OCT imaging catheter and the asterisk indicates the guide-wire shadowing artifact.
