Author

Qinchan Li

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#artificial intelligence Jun 2026

SymTRELLIS: Symmetry-Enforced Voxel Latents for 3D Generation

SymTRELLIS is a method that enforces arbitrary finite point group symmetries (rotational, reflectional, and polyhedral) during the flow-based 3D generation of TRELLIS.2, without retraining the underlying VAE or flow model.

Guangda Ji, Qimin Chen, Qinchan Li et al. · arXiv.org · 1 citation · ⚡1

#machine learning Preprint Sep 2026

CAT-Flow: Curvature-Adaptive sTeps for Flow Matching

Two lightweight, training-free algorithms are proposed, CAT-OV and CAT-OT that adapt step-sizes at inference time based on a novel connection between Flow Matching sampling and gradient flow that outperform existing step-size heuristics in image quality metrics across four text- to-image Flow Matching models.

Qinchan Li, Pedro Cisneros-Velarde, Ke-Ru Fu et al. · 1 citation