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.
Estimates of overall required processing time (hours) with manual and computer‐assisted matching, for different database sizes N. We assumed the manual preprocessing takes 30 s per image and a manual comparison takes 1 s. With computer aided matching, the top 10 ranking images are reviewed
| N | 100 | 500 | 1,000 | 5,000 | 10,000 |
|---|---|---|---|---|---|
| Manual matching | 1.4 | 34.6 | 138 | 347 | 1,339 |
| Computer‐aided | 1.1 | 5.6 | 11.1 | 55.5 | 111 |
