Imagery Overlap Basics in Aerial Photogrammetry | PixElement

This video explains why imagery overlap is a cornerstone of aerial photogrammetry in this tutorial. From creating detailed 3D models to minimizing occlusions and shadows, we dive deep into how proper overlap enhances data quality and accuracy.

Learn the differences between frontal, side, and total overlap, and get tips on adjusting overlap settings based on terrain, flight altitude, and project needs. Whether you’re planning urban mapping, forestry management, or complex surveying missions, this guide will help you optimize your aerial imagery for robust feature matching and precise 3D reconstruction.

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📌 Topics Covered:

-What is imagery overlap, and why does it matter?
-Best practices for frontal, side, and total overlap.
-How terrain, flight altitude, and ground sampling distance affect overlap.
-Tips for using flight planning software to optimize overlap.

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Timecodes
0:00 - Introduction
1:22 - Frontal Overlap
1:54 - Side Overlap
2:20 - Factors Affecting Overlap
2:39 - Altitude and GSD