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.
Real-world image sets for the 12 conditions.
| Image set name | Condition | ||
|
|
Background color | Flash | Exposure value |
| B_O_EV-2.0 | Black | On | −2.0 |
| B_O_EV0 | Black | On | 0 |
| B_O_EV+2.0 | Black | On | +2.0 |
| W_O_EV-2.0 | White | On | −2.0 |
| W_O_EV0 | White | On | 0 |
| W_O_EV+2.0 | White | On | +2.0 |
| B_X_EV-2.0 | Black | Off | −2.0 |
| B_X_EV0 | Black | Off | 0 |
| B_X_EV+2.0 | Black | Off | +2.0 |
| W_X_EV-2.0 | White | Off | −2.0 |
| W_X_EV0 | White | Off | 0 |
| W_X_EV+2.0 | White | Off | +2.0 |
