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.
Evaluation of noisy pixel replacement by modified switch median filter kernel. For the images acquired with the Luca CCD with an image size of 496×658 pixels and 0.27% noisy pixels, approximately 50 pixels were replaced by the 7×7 median values.
| U2000 | Luca | |
|---|---|---|
| % replaced by W1 | 97.4 | 57.0 |
| % replaced by W2 | 2.6 | 37.0 |
| % replaced by W3 | 0.0 | 6.0 |
