Is the FP and FBP part of the algorithm in LEAP based on ray-driven, pixel-driven, or distance-driven?

LLNL / LEAP

comprehensive library of 3D transmission Computed Tomography (CT) algorithms with Python and C++ APIs, a PyQt GUI, and fully integrated with PyTorch

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Is the FP and FBP part of the algorithm in LEAP based on ray-driven, pixel-driven, or distance-driven? #14

Closed JoosenLi closed 8 months ago

kylechampley commented 8 months ago

I assume you meant "BP" instead of "FP" in your post, right?

The backprojection step of the FBP algorithms in LEAP uses a slight variation to the Separable Footprint (SF-RR) method. All projectors in LEAP (expect non-axially aligned modular-beam data) use this method as well.