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Yi-Han Zang

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Preprint Sep 2026

NormLift: From Lifted Features To Semantic Reliability In 3D Gaussian Splatting

Training-free weighted aggregation is widely used to lift 2D semantic features onto 3D Gaussians for open-vocabulary scene understanding, yet its theoretical role remains insufficiently understood. Existing analyses typically justify this operation from the rendering side, treating Gaussian features as linearly composa...

Yi-Han Zang, Da Li, D. Engel et al. · 0 citations

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