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.
Left: Analysis of building outline extraction (green: coarse estimation of the building region, black: extracted building outline, red: reference data). Right: Distances of original points with respect to the regression planes representing the roof segments.
