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chamud/3dgs-101
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I'm on Chapter 4 of 3DGS-101 covering EWA Splatting. Help me understand how a 3D Gaussian covariance matrix gets projected to a 2D screen ellipse using the Jacobian approximation.
I've trained my first 3DGS scene from Chapter 7 but it has many floaters. Walk me through Chapter 8's explanation of where floaters come from and how densification and pruning affect them.
I want to reimplement the Gaussian densification step from scratch in NumPy. What conditions trigger splitting vs. cloning, and what does each operation do geometrically?
Full explanation on explaingit →
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