Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

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.

View full-text article in PMC

. 2020 Apr 22;20(8):2385. doi: 10.3390/s20082385

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

© 2020 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

PMC Copyright notice

Example of the ground removal procedure. (a) Original I_RGB image; (b) corresponding obstacle map $O_{M}^{1}$ ; (c) respective ground removal mask G_M; (d) masked obstacle map $O_{M}^{1}$ . In (d), the ground has been effectively removed.