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.
Confusion matrix for detecting steps walking on flat surfaces, ascending stairs and descending stairs.
| Classified as | Flat Surface Steps | Ascending Steps | Descending Steps |
|---|---|---|---|
| Flat surface steps | 95.9% | 4.1% | 0% |
| Ascending steps | 0% | 100% | 0% |
| Descending steps | 0% | 0% | 100% |
