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Some python code to back project a 3D volume from a series of shadows

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volume-from-shadow

Some python code to back project a 3D volume from a series of shadows.

3d_projection.py contains the good stuff. selection_plot.py is a quick app to let you define a polygon from an image file.

Here is an example of the point cloud volume produced by this algorithm (cross eyes to view in stereo 3D):

Tree point cloud

This cloud was generated using the polygons in the input directory

You can find a more detailed writup on my blog: http://jack.minardi.org/software/whats-in-a-shadow/

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Some python code to back project a 3D volume from a series of shadows

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