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.
Search by pollen image example result page. Top row: (left) search example and (right) the fifth result in the ranked list. Center row: distribution of taxa count from results. Bottom row: ranked result image list with their similarity measures against the query image example (top left). The bar chart in the center row indicates that there is a mixture of taxa in the result images.
