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.
Image result after applying Gaussian smoothing filter only: (a) chart image after Gaussian filtering; (b) corresponding histogram of the processed image (original image: blue solid line; processed image: black dotted line). Inset figure: spatial frequency information (original image: blue solid line; processed image: green dotted line).
