3D Modeling experiments with 123D Catch

This is a first attempt at underwater photogrammetry using 123D Catch.  We took two videos of the starfish in the touch pool at the Aquarium of the Bay in San Francisco using an underwater camera. Then I extracted the still photos from the videos. The 3D model was generated from 21 different pictures (jpegs) of the starfish.

As you can see from the jpegs above, they weren't particularly high quality. Also, the right side of the starfish model is a little blurry because the starfish moved between shots. Best results could be achieved with multiple, simultaneous HD camera angles (i.e. multiple OpenROV's with GoPro's mounted on board). 

Overall, I think this was a pretty good first test and I'm excited to try it again. The software is free to use (123D Catch), and I would love some co-experimenters. Let me know if you try it out!

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Tags: 123D, Autodesk, Catch, Photogrammetry

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