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.
Example of removing artifacts from the thyroid image. a Original thyroid image with artifacts on the textures. b Thyroid image after removing the artifacts by the thresholding method. c Thyroid image after restoring the artifact-removed regions with textures similar to neighbourhood
