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.
Matching accuracy of different image sizes.
| Image size | 3619 × 1825 | 1810 × 912 | 905 × 456 | 452 × 228 | 226 × 114 |
|
| |||||
| Total number of grids | 6604675 | 1650720 | 412680 | 103056 | 25764 |
| False rejection layers | Nothing | 5 | 4 | 3 | 2 |
| Optimal number of layers | 5 | 4 | 3 | 2 | 1 |
