Mostly used 3 Free Photogrammetry Softwares

1. Meshroom

Meshroom is a free and open-source 3D software available for Linux and Windows. This easy-to-use software is based on the AliceVision framework and uses node-based workflow to generate 3D models.

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To use Meshroom, simply drag and drop images into the software. It will scan your photos’ metadata to ensure that they are in order and start processing the 3D image.

You can inspect what photos represent which part on the 3D scan. The analysis of individual pictures in a 3D scan provides you with more control and a better understanding of what looks great and what doesn’t.

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You can then import the results in Maya or Blender for retopology. Note that using smaller subjects or areas can make image processing times more quick and efficient. Always use high-quality images to ensure you get the best quality final product. Therefore, you should aim to shoot your photos in a well-lit area and when the weather is right.

2. Colmap

COLMAP is a powerful Multi-View Stereo (MVS) and Structure-from-Motion (SfM) software with a command-line and graphical interface. The software is available under the open-source BSD license. Plus, it runs on macOS, Windows, and Linux.

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The software provides all the basic tools you need to create a 3D model from one or several photographs. You can use it to align images and construct a 3D mesh. However, it would be best to consider using another tool to create textures.

3. MicMac

Digitized castle of Chambord
Image Credit: MicMac

MicMac is another open-source photogrammetric tool you can use on various 3D reconstruction setups. The software has a robust feature set and is mostly meant for professional or academic users, but it is also suitable for general use.

The software is touted for its reliability, accuracy, and features that are not typically available in other software options. These include access to intermediate results in open data formats, the ability to qualitatively evaluate results, and a large selection of camera calibration models.

In addition, the software can process both scanned analog and push broom sensor images and handle datasets of any size.

MicMac is available for Windows, macOS, and Linux, and you can use it to create 3D models and orthoimages. You can also use it on any scale of objects, from close range to aerial objects, in fields such as archaeology, cartography, and forestry, to mention a few.


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News Desk
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SurveyingGroup has been covering the Geospatial industry daily with in-depth tips, trends, and insights – plus breaking news and analysis from the SurveyingGroup team and experts industry practitioners since 2017.

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