Author

Weijie Wang

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Preprint Sep 2026

ZipTok3D: High-Fidelity 3D Tokenization with Compact Token Prefixes

Compact token sequences are essential for efficient 3D generation. However, existing 3D tokenizers typically organize latent representations either over spatial regions or as fixed-size sets of global tokens, both suffering sharp reconstruction degradation when compressed to extremely low token budgets. In this paper,...

Mingda Lin, Weijie Wang, Zeyu Zhang et al. · 0 citations

Preprint Aug 2026

Block3D: Efficient Text-to-3D Generation via Block-Wise Diffusion

Block3D is proposed, a block-wise diffusion framework that partitions the discrete shape-token sequence into contiguous blocks, generates the blocks autoregressively, and jointly denoises all tokens within the current block and introduces confidence-guided intra-block correction, which revises low-confidence tokens bef...

Bowen Cui, Weijie Wang, Zeyu Zhang et al. · 1 citation

Preprint Aug 2026

Beyond Text Conditioning: A Systematic Study of MLLM-DiT Fusion for Video Generation

BiVidGen, a hybrid framework where an MLLM first generates semantic visual tokens and a DiT renders videos conditioned on both text and these tokens via multi-layer cross-attention is proposed.

Yan-Bo Ding, Yijia Fan, Caihua Shan et al. · 0 citations