I'm beginner: How is it different from Agisoft Metashape?

[At t]

I am a student in Japan.
I am doing research on DEMs, but I have not used ASP yet.
I used to use Agisoft Metashape (Photoscan), but it could only handle aerial photos.
I would like to create a DEM from a satellite.
What is the difference between Metashape and ASP, and is it different from SfM?

I apologize for the rudimentary question.

[Alexandrov, Oleg (ARC-TI)[KBR Wyle Services, LLC]]

ASP can use SfM but it does not need to, most of the time, because satellites already have camera information, unlikely aerial photos. ASP supports many kind of satellites. You can see examples here: https://stereopipeline.readthedocs.io/en/latest/examples.html (out of those, ASTER is free to try). 

ASP's basic idea is that the input are two images (left and right) and two camera files. Then it runs stereo and creates a DEM. 

ASP takes more work to learn than Agisoft. But ASP can handle very large satellite datasets, and not just a simple point-and-shoot camera like Agisoft. 

Agisoft works on Windows. Our programs work only on Linux and OSX, and often need a machine with many GB for RAM and many cores if you want to process a whole satellite dataset (but we can do clips too). 

Agisoft has a nice and intuitive GUI (as I heard). We have a basic GUI (https://stereopipeline.readthedocs.io/en/latest/tools/stereo_gui.html) and you'd have to be comfortable running things from the command line.  

Lastly, our software is free and does not need admin rights for installation. More info is here: 

https://stereopipeline.readthedocs.io/en/latest/installation.html

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From: ames-stereo-pi...@googlegroups.com <ames-stereo-pi...@googlegroups.com> on behalf of At t <aska19...@gmail.com>
Sent: Monday, January 24, 2022 8:16 PM
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Subject: [EXTERNAL] I'm beginner: How is it different from Agisoft Metashape?

 

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