#ground control points

2 bài viết

Surveyor marking ground control point with high-visibility marker on construction site

Ground control points: why they matter and how to place them for real accuracy

Ground control points convert raw drone images into measurements you can trust. Learn how to place them, how many you need, and what accuracy they actually deli

10/09/2026 13 min read

Survey and mapping

What a survey flight actually has to get right

Ground sample distance, overlap and control points decide whether the map is usable. Everything else is detail.

22/08/2026 5 min read