arXiv Computer Vision By Karol Dziekan, Przemys{\l}aw Spurek, Dawid Malarz

STAGE: Subspace-Targeted Affine Generative Erasure for Text-to-3D Models

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STAGE is a training‑free, closed‑form framework for concept erasure in native text‑to‑3D generators. It treats erasure as a stage‑aware editing problem, applying low‑dimensional affine corrections separately to the structural and appearance stages of the pipeline. Experiments on the TRELLIS generator show that STAGE outperforms adapted baselines, achieving a composite score of 66.7 versus 53.2 across 15 shape, material, and object concepts.

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