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.
The original photo (in yellow), is processed by the ‘image processing algorithm’ (in green). The numbers inside the green boxes correspond to the steps described in the manuscript. Five images are obtained: Gray scale image, SKL image, Borders image, Cleaned image and finally the Tri-colored image, which is built using the Cleaned image and Borders image.
