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Wei-Lun Feng

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Preprint Sep 2026

SceneScaffold: Active Scene-State Construction for Unified 3D Scene Understanding

Recent 3D large multimodal models (3D-LMMs) rely on a visual bottleneck to compress complex 3D scene evidence into a limited number of visual tokens compatible with large language models (LLMs). Current visual bottlenecks, however, often passively compress heterogeneous 3D evidence into a homogeneous object-centric tok...

Xiang-Qi Li, Li-Bo Huang, Jia-Rui Zhao et al. · 0 citations
Aug 2026

S $^{2}$ Q-VDiT$^+$: Accurate Quantized Video Diffusion Transformer with Multi-Resolution Sampling and Structural Distillation.

Large-scale video diffusion models (V-DMs) have achieved remarkable text-to-video generation quality, yet their massive computational complexity makes deployment costly. Post-Training Quantization (PTQ) offers an appealing route to accelerate inference without retraining, but existing diffusion PTQ methods remain fragi...

Wei-Lun Feng, Chuan-Guang Yang, Haotong Qin et al. · 3 citations
Conference Open access Sep 2026

A Comprehensive Survey of Interaction Techniques in 3D Scene Generation

3D scene generation has rapidly evolved, significantly promoting the innovation of content creation. In this context, interaction techniques serve as a pivotal bridge connecting user intent with the generative models, thereby enabling precise control, real-time feedback and personalized customization of complex 3D scen...

Yuqi Li, Si-Wei Meng, Chuan-Guang Yang et al. · 30 citations · ⚡1
Preprint Jul 2026

Multi-Resolution Flow Matching: Training-Free Diffusion Acceleration via Staged Sampling

Hardware-agnostic strategies for accelerating text-to-image diffusion, such as timestep distillation and feature caching, can reduce inference time without custom kernels or system-level optimization. Among them, multi-resolution generation strategies have recently received broad attention, attaining more than 5x speed...

Xingyu Zheng, Xianglong Liu, Yifu Ding et al. · 1 citation

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