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 of defect type OCA detected by the proposed method.
| Defect Types | Live Knot | Crack | Dead Knot | Background |
|---|---|---|---|---|
| Live knot | 96.74% | 0.93% | 2.33% | 0.00% |
| Crack | 0.00% | 100% | 0.00% | 0.00% |
| Dead knot | 0.87% | 0.00% | 99.13% | 0.00% |
| Background | 0.00% | 0.00% | 0.99% | 99.01% |
