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Using 3D Data Derived from Aerial Imagery in Preliminary Design Work
(Print PDH from the April 2023 issue of Informed Infrastructure)

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AIA Course ID: PDH042023

Course Information
At the most basic level, aerial photogrammetry is simply the process of extracting information about an object or landscape from aerial images. Once processed using photogrammetry software, 3D data derived from high-quality aerial imagery can drastically improve the efficiency, quality and accuracy of preliminary project design work.

Learn the benefits of using 3D data captured through aerial imagery in the preliminary design of infrastructure projects, including improved visualization, enhanced communication, better collaboration, increased efficiency and improved safety.

Capturing and Processing Aerial Imagery using Photogrammetr

Author
Jake Tully

Learning Objectives
At the conclusion of this article, the reader should be able to understand the following:

• How 3D data is captured through aerial photogrammetry.

• How aerial photogrammetry is used to create 3D surface models.

• How to create DEMs, DSMs and nDSMs using aerial photogrammetry.

• How design professionals can apply 3D surface models to improve outcomes of preliminary design work.

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