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.
(A) Original image. (B) Overlay of binary and skeletonised images showing retained connectivity. (C) Binary image. (D) Inverted binary image. (E) and (F) Processed images (C) and (D), with dots in respective phases removed. (G) and (H) Skeleton images derived from (E) and (F). Images are all 735 nm × 735 nm.
